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Not Recommended for New Design, Replace with CAT25080/CAT25160
CAT25C08, CAT25C16
8K/16K SPI Serial CMOS EEPROM FEATURES
I 10 MHz SPI compatible I 1.8 to 5.5 volt operation I SPI modes (0,0 & 1,1) I 32-byte page write buffer I Self-timed write cycle I Hardware and software protection I Block write protection
DESCRIPTION
The CAT25C08/16 is a 8K/16K Bit SPI Serial CMOS EEPROM internally organized as 1024x8/2048x8 bits. Catalyst's advanced CMOS Technology substantially reduces device power requirements. The CAT25C08/ 16 features a 32-byte page write buffer. The device operates via the SPI bus serial interface and is enabled though a Chip Select (CS). In addition to the Chip Select, the clock input (SCK), data in (SI) and data out (SO) are required to access the device. The HOLD pin may be used to suspend any serial communication without resetting the serial sequence. The CAT25C08/16 is designed with software and hardware write protection features including Block Write protection. The device is available in 8-pin DIP, 8-pin SOIC and 8-pin TSSOP packages.
- Protect 1/4, 1/2 or all of EEPROM array
I Low power CMOS technology I 1,000,000 program/erase cycles I 100 year data retention I Industrial temperature range I RoHS-compliant packages
For Ordering Information details, see page 15.
PIN CONFIGURATION
PDIP (L) SOIC (V) TSSOP (Y)
CS SO WP VSS 1 2 3 4 8 7 6 5 VCC HOLD SCK SI
FUNCTIONAL SYMBOL
VCC
SI CS WP HOLD CAT25C08 CAT25C16
SO
PIN FUNCTIONS Pin Name
SO SCK WP VCC VSS CS SI HOLD
SCK
Function
Serial Data Output Serial Clock Write Protect Power Supply Ground Chip Select Serial Data Input Suspends Serial Input
VSS
(c) 2006 by Catalyst Semiconductor, Inc. Characteristics subject to change without notice
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Doc. No. 1016, Rev. C
CAT25C08/16
ABSOLUTE MAXIMUM RATINGS*
Temperature Under Bias ................. -55C to +125C Storage Temperature ....................... -65C to +150C Voltage on any Pin with Respect to VSS(1) .................. -1.5V to +VCC +1.5V VCC with Respect to VSS ................................ -0.5V to +6.0V Package Power Dissipation Capability (Ta = 25C) ................................... 1.0W Lead Soldering Temperature (10 secs) ............ 300C Output Short Circuit Current(2) ........................ 100 mA RELIABILITY CHARACTERISTICS Symbol NEND(3) TDR(3) VZAP
(3)
*COMMENT
Stresses above those listed under "Absolute Maximum Ratings" may cause permanent damage to the device. These are stress ratings only, and functional operation of the device at these or any other conditions outside of those listed in the operational sections of this specification is not implied. Exposure to any absolute maximum rating for extended periods may affect device performance and reliability.
Parameter Endurance Data Retention ESD Susceptibility Latch-up
Min. 1,000,000 100 2000 100
Typ.
Max.
Units Cycles/Byte Years Volts mA
ILTH(3)(4)
D.C. OPERATING CHARACTERISTICS VCC = +1.8V to +5.5V, unless otherwise specified. Limits Symbol ICC1 ICC2 ISB(6) ILI ILO VIL(5) VIH
(5)
Parameter Power Supply Current (Operating Write) Power Supply Current (Operating Read) Power Supply Current (Standby) Input Leakage Current Output Leakage Current Input Low Voltage Input High Voltage Output Low Voltage Output High Voltage Output Low Voltage Output High Voltage
Min.
Typ.
Max. 5 3 1 2 3
Units mA mA A A A V V V V
Test Conditions VCC = 5V @ 5MHz SO=open; CS=Vss VCC = 5.5V FCLK = 5MHz CS = VCC VIN = VSS or VCC VOUT = 0V to VCC, CS = 0V
-1 VCC x 0.7 VCC - 0.8
VCC x 0.3 VCC + 0.5 0.4
VOL1 VOH1 VOL2 VOH2
2.5VVCC<5.5V IOL = 3.0mA IOH = -1.6mA 1.8VVCC<2.5V IOL = 150A IOH = -100A
0.2 VCC-0.2
V V
Note: (1) The minimum DC input voltage is -0.5V. During transitions, inputs may undershoot to -1.5V for periods of less than 20 ns. Maximum DC voltage on output pins is VCC +0.5V, which may overshoot to VCC +1.5V for periods of less than 20 ns. (2) Output shorted for no more than one second. No more than one output shorted at a time. (3) These parameter are tested initially and after a design or process change that affects the parameter according to appropriate AEC-Q100 and JEDEC test methods. (4) Latch-up protection is provided for stresses up to 100 mA on address and data pins from -1V to VCC +1V. (5) VILMIN and VIHMAX are reference values only and are not tested. (6) Maximum standby current (ISB ) = 10A for the Automotive and Extended Automotive temperature range.
Doc. No. 1016, Rev. C
2
(c) 2006 by Catalyst Semiconductor, Inc. Characteristics subject to change without notice
CAT25C08/16
PIN CAPACITANCE (1)
Applicable over recommended operating range from TA=25C, f=1.0 MHz, VCC=+5.0V (unless otherwise noted).
Symbol COUT CIN
Test Conditions Output Capacitance (SO) Input Capacitance (CS, SCK, SI, WP, HOLD)
Max. 8 6
Units pF pF
Conditions VOUT=0V VIN=0V
A.C. CHARACTERISTICS CAT25Cxx-1.8 1.8V-5.5V SYMBOL PARAMETER tSU tH tWH tWL fSCK tLZ tRI(1) tFI(1) tHD tCD tWC(3) tV tHO tDIS tHZ tCS tCSS tCSH tWPS tWPH Data Setup Time Data Hold Time SCK High Time SCK Low Time Clock Frequency HOLD to Output Low Z Input Rise Time Input Fall Time HOLD Setup Time HOLD Hold Time Write Cycle Time Output Valid from Clock Low Output Hold Time Output Disable Time HOLD to Output High Z CS High Time CS Setup Time CS Hold Time WP Setup Time WP Hold Time 500 500 500 150 150 0 250 150 100 100 100 50 50 100 100 10 250 0 75 50 100 100 100 50 50 Min. 50 50 250 250 DC 1 50 2 2 40 40 5 75 0 75 50 Max. Min. 20 20 75 75 DC 5 50 2 2 20 20 5 40 CAT25Cxx 2.5V-5.5V Max. 4.5V-5.5V Min. 20 20 40 40 DC 10 20 2 2 Max. ns ns ns ns MHz ns s s ns ns ms ns ns ns ns ns ns ns ns ns CL = 50pF (2) Test UNITS Conditions
Power-Up Timing(4)(5) Symbol tPUR tPUW Parameter Power-up to Read Operation Power-up to Write Operation Max. 1 1 Units ms ms
NOTE: (1) This parameter is tested initially and after a design or process change that affects the parameter. (2) AC Test Conditions: Input Pulse Voltages: 0.3VCC to 0.7VCC Input rise and fall times: 10ns Input and output reference voltages: 0.5VCC Output load: current source IOL max/IOH max; CL = 50pF (3) tWC is the time from the rising edge of CS after a valid write sequence to the end of the internal write cycle. (4) This parameter is tested initially and after a design or process change that affects the parameter. (5) tPUR and tPUW are the delays required from the time VCC is stable until the specified operation can be initiated.
(c) 2006 by Catalyst Semiconductor, Inc. Characteristics subject to change without notice Doc. No. 1016, Rev. C
3
CAT25C08/16
FUNCTIONAL DESCRIPTION
The CAT25C08/16 supports the SPI bus data transmission protocol. The synchronous Serial Peripheral Interface (SPI) helps the CAT25C08/16 to interface directly with many of today's popular microcontrollers. The CAT25C08/16 contains an 8-bit instruction register. (The instruction set and the operation codes are detailed in the instruction set table) After the device is selected with CS going low, the first byte will be received. The part is accessed via the SI pin, with data being clocked in on the rising edge of SCK. The first byte contains one of the six op-codes that define the operation to be performed.
PIN DESCRIPTION
SI: Serial Input SI is the serial data input pin. This pin is used to input all opcodes, byte addresses, and data to be written to the 25C08/16. Input data is latched on the rising edge of the serial clock for SPI modes (0, 0 & 1, 1). SO: Serial Output SO is the serial data output pin. This pin is used to transfer data out of the 25C08/16. During a read cycle, data is shifted out on the falling edge of the serial clock for SPI modes (0,0 & 1,1). SCK: Serial Clock SCK is the serial clock pin. This pin is used to synchronize the communication between the microcontroller
Figure 1. Sychronous Data Timing
VIH tCS
CS
VIL VIH tCSS tCSH
SCK
VIL tSU VIH
tWH tH
tWL
SI
VIL
VALID IN
tRI
tFI
tV VOH
tHO
tDIS HI-Z
SO
VOL
HI-Z
Note: Dashed Line= mode (1, 1) - - - - -
INSTRUCTION SET Instruction WREN WRDI RDSR WRSR READ WRITE Opcode 0000 0110 0000 0100 0000 0101 0000 0001 0000 0011 0000 0010 Operation Enable Write Operations Disable Write Operations Read Status Register Write Status Register Read Data from Memory Write Data to Memory
Doc. No. 1016, Rev. C
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(c) 2006 by Catalyst Semiconductor, Inc. Characteristics subject to change without notice
CAT25C08/16
and the 25C08/16. Opcodes, byte addresses, or data present on the SI pin are latched on the rising edge of the SCK. Data on the SO pin is updated on the falling edge of the SCK for SPI modes (0,0 & 1,1) . CS Chip Select CS: CS is the Chip select pin. CS low enables the CAT25C08/ 16 and CS high disables the CAT25C08/16. CS high BYTE ADDRESS Device CAT25C08 CAT25C16 STATUS REGISTER 7 WPEN 6 0 5 1 4 0 Address Significant Bits A9 - A0 A10 - A0
takes the SO output pin to high impedance and forces the devices into a Standby Mode (unless an internal write operation is underway) The CAT25C08/16 draws ZERO current in the Standby mode. A high to low transition on CS is required prior to any sequence being initiated. A low to high transition on CS after a valid write sequence is what initiates an internal write cycle.
Address Don't Care Bits A15 - A10 A15 - A11
# Address Clock Pulse 16 16
3 BP1
2 BP0
1 WEL
0 RDY
BLOCK PROTECTION BITS Status Register Bits BP1 BP0 0 0 1 1 0 1 0 1 Array Address Protected None 25C08: 0300-03FF 25C16: 0600-07FF 25C08: 0200-03FF 25C16: 0400-07FF 25C08: 0000-03FF 25C16: 0000-07FF Protection No Protection Quarter Array Protection Half Array Protection Full Array Protection
WRITE PROTECT ENABLE OPERATION WPEN 0 0 1 1 X X WP X X Low Low High High WEL 0 1 0 1 0 1 Protected Blocks Protected Protected Protected Protected Protected Protected Unprotected Blocks Protected Writable Protected Writable Protected Writable Status Register Protected Writable Protected Protected Protected Writable
(c) 2006 by Catalyst Semiconductor, Inc. Characteristics subject to change without notice
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Doc. No. 1016, Rev. C
CAT25C08/16
WP Write Protect WP: WP is the Write Protect pin. The Write Protect pin will allow normal read/write operations when held high. When WP is tied low and the WPEN bit in the status register is set to "1", all write operations to the status register are inhibited. WP going low while CS is still low will interrupt a write to the status register. If the internal write cycle has already been initiated, WP going low will have no effect on any write operation to the status register. The WP pin function is blocked when the WPEN bit is set to 0. Figure 10 illustrates the WP timing sequence during a write operation. HOLD: HOLD Hold HOLD is the HOLD pin. The HOLD pin is used to pause transmission to the CAT25C08/16 while in the middle of a serial sequence without having to re-transmit entire sequence at a later time. To pause, HOLD must be brought low while SCK is low. The SO pin is in a high impedance state during the time the part is paused, and transitions on the SI pins will be ignored. To resume communication, HOLD is brought high, while SCK is low. HOLD should be held high any time this function is not being used. HOLD may be tied high directly to VCC or tied to VCC through a resistor. Figure 9 illustrates hold timing sequence.
STATUS REGISTER The Status Register indicates the status of the device. The RDY (Ready) bit indicates whether the CAT25C08/ 16 is busy with a write operation. When set to 1 a write cycle is in progress and when set to 0 the device indicates it is ready. This bit is read only. The WEL (Write Enable) bit indicates the status of the write enable latch. When set to 1, the device is in a Write Enable state and when set to 0 the device is in a Write Disable state. The WEL bit can only be set by the WREN instruction and can be reset by the WRDI instruction. The BP0 and BP1 (Block Protect) bits indicate which blocks are currently protected. These bits are set by the user issuing the WRSR instruction. The user is allowed to protect quarter of the memory, half of the memory or the entire memory by setting these bits. Once protected the user may only read from the protected portion of the array. These bits are non-volatile. The WPEN (Write Protect Enable) is an enable bit for the WP pin. The WP pin and WPEN bit in the status register control the programmable hardware write protect feature. Hardware write protection is enabled when WP is low and WPEN bit is set to high. The user cannot write to the status register, (including the block protect
Figure 2. WREN Instruction Timing
CS
SCK
SI
0
0
0
0
0
1
1
0
SO Note: Dashed Line= mode (1, 1) - - - - -
HIGH IMPEDANCE
Figure 3. WRDI Instruction Timing
CS
SCK
SI
0
0
0
0
0
1
0
0
SO
Note: Dashed Line= mode (1, 1) - - - - -
Doc. No. 1016, Rev. C
HIGH IMPEDANCE
6
(c) 2006 by Catalyst Semiconductor, Inc. Characteristics subject to change without notice
CAT25C08/16
bits and the WPEN bit) and the block protected sections in the memory array when the chip is hardware write protected. Only the sections of the memory array that are not block protected can be written. Hardware write protection is disabled when either WP pin is high or the WPEN bit is zero. DEVICE OPERATION Write Enable and Disable The CAT25C08/16 contains a write enable latch. This latch must be set before any write operation. The device powers up in a write disable state when Vcc is applied. WREN instruction will enable writes (set the latch) to the device. WRDI instruction will disable writes(reset the latch) to the device. Disabling writes will protect the device against inadvertent writes. READ Sequence The part is selected by pulling CS low. The 8-bit read instruction is transmitted to the CAT25C08/16, followed by the 16-bit address for 25C08/16. (only 10-bit addresses are used for 25C08, 11-bit addresses are used for 25C16. The rest of the bits are don't care bits). After the correct read instruction and address are sent, the data stored in the memory at the selected address is shifted out on the SO pin. The data stored in the memory at the next address can be read sequentially by continuing to provide clock pulses. The internal address pointer
is automatically incremented to the next higher address after each byte of data is shifted out. When the highest address is reached, the address counter rolls over to 0000h allowing the read cycle to be continued indefinitely. The read operation is terminated by pulling the CS high. To read the status register, RDSR instruction should be sent. The contents of the status register are shifted out on the SO line. The status register may be read at any time even during a write cycle. Read sequece is illustrated in Figure 4. Reading status register is illustrated in Figure 5. WRITE Sequence The CAT25C08/16 powers up in a Write Disable state. Prior to any write instructions, the WREN instruction must be sent to CAT25C08/16. The device goes into Write enable state by pulling the CS low and then clocking the WREN instruction into CAT25C08/16. The CS must be brought high after the WREN instruction to enable writes to the device. If the write operation is initiated immediately after the WREN instruction without CS being brought high, the data will not be written to the array because the write enable latch will not have been properly set. Also, for a successful write operation the address of the memory location(s) to be programmed must be outside the protected address field location selected by the block protection level.
Figure 4. Read Instruction Timing
CS 0 SCK
OPCODE
1
2
3
4
5
6
7
8
9
10
20
21
22
* 23
24
25
26
27
28
29
* 30
BYTE ADDRESS* 0 1 1 AN A0
DATA OUT
SI
0
0
0
0
0
SO
HIGH IMPEDANCE
7
MSB
6
5
4
3
2
1
0
*Please check the Byte Address Table.
Note: Dashed Line= mode (1, 1) - - - -
(c) 2006 by Catalyst Semiconductor, Inc. Characteristics subject to change without notice
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Doc. No. 1016, Rev. C
CAT25C08/16
Byte Write Once the device is in a Write Enable state, the user may proceed with a write sequence by setting the CS low, issuing a write instruction via the SI line, followed by the 16-bit address for 25C08/16. (only 10-bit addresses are used for 25C08, 11-bit addresses are used for 25C16. The rest of the bits are don't care bits). Programming will start after the CS is brought high. Figure 6 illustrates byte write sequence. During an internal write cycle, all commands will be ignored except the RDSR (Read Status Register) instruction. The Status Register can be read to determine if the write cycle is still in progress. If Bit 0 of the Status Register is set at 1, write cycle is in progress. If Bit 0 is set at 0, the device is ready for the next instruction Page Write The CAT25C08/16 features page write capability. After the initial byte, the host may continue to write up to 32
bytes. After each byte of data received, lower order address bits are internally incremented by one; the high order bits of address will remain constant.The only restriction is that the 32 bytes must reside on the same page. If the address counter reaches the end of the page and clock continues, the counter will "roll over" to the first address of the page and overwrite any data that may have been written. The CAT25C08/16 is automatically returned to the write disable state at the completion of the write cycle. Figure 8 illustrates the page write sequence. To write to the status register, the WRSR instruction should be sent. Only Bit 2, Bit 3 and Bit 7 of the status register can be written using the WRSR instruction. Figure 7 illustrates the sequence of writing to status register.
Figure 5. RDSR Instruction Timing
CS 0 SCK
OPCODE
1
2
3
4
5
6
7
8
9
10
11
12
13
14
SI
0
0
0
0
0
1
0
1
DATA OUT
SO
HIGH IMPEDANCE
7
MSB
6
5
4
3
2
1
0
Note: Dashed Line= mode (1, 1) - - - - -
Figure 6. Write Instruction Timing
CS 0 SCK
OPCODE
1
2
3
4
5
6
7
8
21
22
23
24
25
26
27
28
29
30
* 31
BYTE ADDRESS* 1 0 AN
DATA IN
SI
0
0
0
0
0
0
A0 D7 D6 D5 D4 D3 D2 D1 D0
SO
HIGH IMPEDANCE
*Please check the Byte Address Table
Note: Dashed Line= mode (1, 1) - - - - -
Doc. No. 1016, Rev. C
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(c) 2006 by Catalyst Semiconductor, Inc. Characteristics subject to change without notice
CAT25C08/16
DESIGN CONSIDERATIONS The CAT25C08/16 powers up in a write disable state and in a low power standby mode. A WREN instruction must be issued to perform any writes to the device after power up. Also,on power up CS should be brought low to enter a ready state and receive an instruction. After a successful byte/page write or status register write, the CAT25C08/16 goes into a write disable mode. CS must be set high after the proper number of clock cycles to start an internal write cycle. Access to the array during an internal write cycle is ignored and programming is continued. On power up, SO is in a high impedance. If an invalid op code is received, no data will be shifted into the CAT25C08/16, and the serial output pin (SO) will remain in a high impedance state until the falling edge of CS is detected again. When powering down, the supply should be taken down to 0V, so that the CAT25C08/16 will be reset when power is ramped back up. If this is not possible, then, following a brown-out episode, the CAT25C08/16 can be reset by refreshing the contents of the Status Register (See Application Note AN10).
Figure 7. WRSR Timing
CS 0 SCK
OPCODE
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
DATA IN
SI
0
0
0
0
0
0
0
1
7
MSB
6
5
4
3
2
1
0
SO
HIGH IMPEDANCE
Note: Dashed Line= mode (1, 1) - - - - -
Figure 8. Page Write Instruction Timing
CS
0 SCK
1
2
3
4
5
6
7
8
21
22
23 24-31
32-39
24+(N-1)x8-1..24+(N-1)x8 24+Nx8-1
OPCODE
BYTE ADDRESS* 0 1 0 AN A0
Data Byte 1
DATA IN Data Byte 2 Data Byte 3 Data Byte N 0 7..1
SI
0
0
0
0
0
SO
*Please check the Byte Address Table.
HIGH IMPEDANCE
Note: Dashed Line= mode (1, 1) - - - - -
(c) 2006 by Catalyst Semiconductor, Inc. Characteristics subject to change without notice
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Doc. No. 1016, Rev. C
CAT25C08/16
Figure 9. HOLD Timing
CS tCD SCK tHD HOLD tHZ SO
HIGH IMPEDANCE
tCD
tHD
tLZ
Note: Dashed Line= mode (1, 1) - - - - -
Figure 10. WP Timing
t WPS t WPH
CS
SCK
WP
WP
Note: Dashed Line= mode (1, 1) - - - - -
Doc. No. 1016, Rev. C
10
(c) 2006 by Catalyst Semiconductor, Inc. Characteristics subject to change without notice
CAT25C08/16
PACKAGE INFORMATION 8-LEAD 300 MIL WIDE PLASTIC DIP (L)
E1
E D
A2
A
A1
L
e b2 b
eB
SYMBOL A A1 A2 b b2 D E E1 e eB L
MIN 0.38 3.05 0.36 1.14 9.02 7.62 6.09 7.87 0.115
NOM
MAX 4.57 3.81 0.56 1.77 10.16 8.25 7.11 9.65 0.150
24C16_8-LEAD_DIP_(300P).eps
0.46
7.87 6.35 2.54 BSC 0.130
Notes: 1. All dimensions are in millimeters. 2. Complies with JEDEC Standard MS001. 3. Dimensioning and tolerancing per ANSI Y14.5M-1982
(c) 2006 by Catalyst Semiconductor, Inc. Characteristics subject to change without notice
11
Doc. No. 1016, Rev. C
CAT25C08/16
8-LEAD 150 MIL WIDE SOIC (V)
E1 E
D
h x 45 C A 1
e b
A1 L
SYMBOL A1 A b C D E E1 e h L 1
MIN 0.10 1.35 0.33 0.19 4.80 5.80 3.80
NOM
MAX 0.25 1.75 0.51 0.25 5.00 6.20 4.00
1.27 BSC 0.25 0.40 0 0.50 1.27 8
24C16_8-LEAD_SOIC.eps
Notes: 1. All dimensions are in millimeters. 2. Complies with JEDEC specification MS-012.
Doc. No. 1016, Rev. C
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(c) 2006 by Catalyst Semiconductor, Inc. Characteristics subject to change without notice
CAT25C08/16
8-LEAD TSSOP (Y)
D
8 5
SEE DETAIL A
c
E
E1
E/2
1
4
GAGE PLANE
PIN #1 IDENT. 1 A2 L 0.25
SEATING PLANE SEE DETAIL A
A
e b
A1
SYMBOL A A1 A2 b c D E E1 e L 1
MIN 0.05 0.80 0.19 0.09 2.90 6.30 4.30 0.50 0.00
NOM
MAX 1.20 0.15 1.05 0.30 0.20 3.10 6.50 4.50 0.75 8.00
0.90
3.00 6.4 4.40 0.65 BSC 0.60
Notes: 1. All dimensions are in millimeters. 2. Complies with JEDEC Standard MO-153
(c) 2006 by Catalyst Semiconductor, Inc. Characteristics subject to change without notice
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Doc. No. 1016, Rev. C
CAT25C08/16
PACKAGE MARKING
8-Lead PDIP 8-Lead SOIC
VV 25C16LI FYYWWA
CSI = Catalyst Semiconductor, Inc. 25C16L = Device Code 25C08L 25C16L I = Temperature Range F = Lead Finish 4 = NiPdAu 3 = Matte-Tin YY = Production Year WW = Production Week A = Product Revision VV = Voltage Range 1.8V - 5.5V = 18 2.5V - 5.5V = Blank
VV 25C16VI FYYWWA
CSI = Catalyst Semiconductor, Inc. 25C16V = Device Code 25C08V 25C16V I = Temperature Range F = Lead Finish 4 = NiPdAu 3 = Matte-Tin YY = Production Year WW = Production Week A = Product Revision VV = Voltage Range 1.8V - 5.5V = 18 2.5V - 5.5V = Blank
8-Lead TSSOP
YMBF 25Y16
Y M A 25Y16 = Production Year = Production Month = Die Revision = Device Code 25Y08 25Y16 I = Industrial Temperature Range F = Voltage Range + Lead Finish Matte-Tin 1.8V - 5.5V = S 2.5V - 5.5V = T NiPdAu 1.8V - 5.5V = A 2.5V - 5.5V = G
Doc. No. 1016, Rev. C
14
(c) 2006 by Catalyst Semiconductor, Inc. Characteristics subject to change without notice
CAT25C08/16
EXAMPLE OF ORDERING INFORMATION
Prefix CAT Device # 25C16 V Suffix I -1.8 -G T3
Company ID
Product Number 25C16: 16K 25C08: 8K
Temperature Range I = Industrial (-40C to +85C) A = Automotive (-40C to +105C) E = Extended (-40C to +125C) Operating Voltage Blank: (VCC = 2.5V to 5.5V) 1.8: (VCC = 1.8V to 5.5V)
Tape & Reel T: Tape & Reel 3: 3000/Reel
Package L: PDIP V: SOIC, JEDEC Y: TSSOP
Lead Finish Blank: Matte-Tin G: NiPdAu
Notes: (1) All packages are RoHS-compliant (Lead-free, Halogen-free). (2) The standard lead finish is NiPdAu. (3) The device used in the above example is a CAT25C16VI-1.8GT3 (SOIC, Industrial Temperature, 1.8V to 5.5V Operating Voltage, NiPdAu, Tape & Reel). (4) For additional package and temperature options, please contact your nearest Catalyst Semiconductor Sales office.
(c) 2006 by Catalyst Semiconductor, Inc. Characteristics subject to change without notice
15
Doc. No. 1016, Rev. C
REVISION HISTORY
Date 03/21/2006 05/25/2006 Rev. A B Reason Initial Issue Update Features Update Absolute Maximum Ratings Update A.C. Characteristics Update Status Register Update Figure 8 Update Package Information Remove Tape & Reel Update Package Marking Update Example of Ordering Information Update Features Update Pin Configuration Update Pin Functions Update D.C. Operating Characteristics Update Package Information Update Example of Ordering Information
10/13/06
C
Copyrights, Trademarks and Patents Trademarks and registered trademarks of Catalyst Semiconductor include each of the following:
AE2 TM Beyond MemoryTM, DPPTM, EZDimTM, MiniPotTM Quad-ModeTM
Catalyst Semiconductor has been issued U.S. and foreign patents and has patent applications pending that protect its products.
CATALYST SEMICONDUCTOR MAKES NO WARRANTY, REPRESENTATION OR GUARANTEE, EXPRESS OR IMPLIED, REGARDING THE SUITABILITY OF ITS PRODUCTS FOR ANY PARTICULAR PURPOSE, NOR THAT THE USE OF ITS PRODUCTS WILL NOT INFRINGE ITS INTELLECTUAL PROPERTY RIGHTS OR THE RIGHTS OF THIRD PARTIES WITH RESPECT TO ANY PARTICULAR USE OR APPLICATION AND SPECIFICALLY DISCLAIMS ANY AND ALL LIABILITY ARISING OUT OF ANY SUCH USE OR APPLICATION, INCLUDING BUT NOT LIMITED TO, CONSEQUENTIAL OR INCIDENTAL DAMAGES.
Catalyst Semiconductor products are not designed, intended, or authorized for use as components in systems intended for surgical implant into the body, or other applications intended to support or sustain life, or for any other application in which the failure of the Catalyst Semiconductor product could create a situation where personal injury or death may occur. Catalyst Semiconductor reserves the right to make changes to or discontinue any product or service described herein without notice. Products with data sheets labeled "Advance Information" or "Preliminary" and other products described herein may not be in production or offered for sale. Catalyst Semiconductor advises customers to obtain the current version of the relevant product information before placing orders. Circuit diagrams illustrate typical semiconductor applications and may not be complete.
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Publication #: Revison: Issue date:
1016 C 10/13/06

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