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Features
* Fast Read Access Time - 90 ns * Low Power CMOS Operation *
- 100 A max. Standby - 40 mA max. Active at 5 MHz JEDEC Standard Packages - 32 Lead PLCC - 32-Lead 600-mil PDIP - 32-Lead 450-mil SOIC (SOP) - 32-Lead TSOP 5V= 10% Supply High-Reliability CMOS Technology - 2,000V ESD Protection - 200 mA Latchup Immunity RapidTM Programming Algorithm - 50 s/byte (typical) CMOS and TTL Compatible Inputs and Outputs Integrated Product Identification Code Industrial and Commercial Temperature Ranges
* * * * * *
8-Megabit (1M x 8) OTP EPROM AT27C080
Description
The AT27C080 chip is a low-power, high-performance 8,388,608-bit one-time programmable read only memory (OTP EPROM) organized as 1M by 8 bits. The AT27C080 requires only one 5V power supply in normal read mode operation. Any byte can be accessed in less than 90 ns, eliminating the need for speed reducing WAIT states on high-performance microprocessor systems. (continued)
Pin Configurations
Pin Name A0 - A19 O0 - O7 CE OE/VPP Function Addresses Outputs Chip Enable Output Enable/ Program Supply
PDIP, SOIC Top View
A19 A16 A15 A12 A7 A6 A5 A4 A3 A2 A1 A0 O0 O1 O2 GND 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 32 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 VCC A18 A17 A14 A13 A8 A9 A11 OE/VPP A10 CE O7 O6 O5 O4 O3
TSOP Top View Type 1
A11 A9 A8 A13 A14 A17 A18 VCC A19 A16 A15 A12 A7 A6 A5 A4 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 32 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 OE/VPP A10 CE O7 O6 O5 O4 O3 GND O2 O1 O0 A0 A1 A2 A3
PLCC Top View
A12 A15 A16 A19 VCC A18 A17 14 15 16 17 18 19 20
A7 A6 A5 A4 A3 A2 A1 A0 O0 5 6 7 8 9 10 11 12 13
4 3 2 1 32 31 30
29 28 27 26 25 24 23 22 21
A14 A13 A8 A9 A11 OE/VPP A10 CE O7
O1 O2 GND O3 O4 O5 O6
Rev. 0360H-03/01
1
Atmel's scaled CMOS technology provides low active power consumption and fast programming. Power consumption is typically 10 mA in active mode and less than 10 A in standby mode. The AT27C080 is available in a choice of packages, including; one-time programmable (OTP) plastic PLCC, PDIP, SOIC (SOP), and TSOP. All devices feature two-line control (CE, OE) to give designers the flexibility to prevent bus contention. With high dens ity 1M byte stora ge capab ility , the AT27C080 allows firmware to be stored reliably and to be accessed by the system without the delays of mass storage media. Atmel's 27C080 has additional features to ensure high quality and efficient production use. The RapidTM Programming Algorithm reduces the time required to program the part and guarantees reliable programming. Programming time is typically only 50 s/byte. The Integrated Product Identification Code electronically identifies the device and manufacturer. This feature is used by industry standard programming equipment to select the proper programming algorithms and voltages.
System Considerations
Switching between active and standby conditions via the Chip Enable pin may produce transient voltage excursions. Unless accommodated by the system design, these transients may exceed data sheet limits, resulting in device non-conformance. At a minimum, a 0.1 F high frequency, low inherent inductance, ceramic capacitor should be utilized for each device. This capacitor should be connected between the V CC and Ground terminals of the device, as close to the device as possible. Additionally, to stabilize the supply voltage level on printed circuit boards with large EPROM arrays, a 4.7 F bulk electrolytic capacitor should be utilized, again connected between the VCC and Ground terminals. This capacitor should be positioned as close as possible to the point where the power supply is connected to the array.
Block Diagram
2
AT27C080
AT27C080
Absolute Maximum Ratings*
Temperature Under Bias................................ -55C to +125C Storage Temperature ..................................... -65C to +150C Voltage on Any Pin with Respect to Ground .........................................-2.0V to +7.0V(1) Voltage on A9 with Respect to Ground ......................................-2.0V to +14.0V(1) VPP Supply Voltage with Respect to Ground .......................................-2.0V to +14.0V(1) Integrated UV Erase Dose............................. 7258 W*sec/cm2 Note: 1. Minimum voltage is -0.6V DC which may undershoot to -2.0V for pulses of less than 20 ns. Maximum output pin voltage is VCC + 0.75V DC which may overshoot to +7.0V for pulses of less than 20 ns. *NOTICE: Stresses beyond those listed under "Absolute Maximum Ratings" may cause permanent damage to the device. This is a stress rating only and functional operation of the device at these or any other conditions beyond those indicated in the operational sections of this specification is not implied. Exposure to absolute maximum rating conditions for extended periods may affect device reliability.
Operating Modes
Mode/Pin Read Output Disable Standby Rapid Program(2) PGM Verify PGM Inhibit Product Identification(4) Notes: 1. X can be VIL or VIH. 2. Refer to Programming Characteristics. 3. VH = 12.0 0.5V. 4. Two identifier bytes may be selected. All Ai inputs are held low (VIL), except A9 which is set to VH and A0 which is toggled low (VIL) to select the Manufacturer's Identification byte and high (VIH) to select the Device Code byte. CE VIL X VIH VIL VIL VIH VIL OE/VPP VIL VIH X VPP VIL VPP VIL Ai Ai X
(1)
Outputs DOUT High Z High Z DIN DOUT High Z
(3)
X Ai Ai X A9 = VH A0 = VIH or VIL A1 - A19 = VIL
Identification Code
3
DC and AC Operating Conditions for Read Operation
AT27C080-90 Operating Temperature (Case) VCC Power Supply Com. Ind. 0C - 70C -40C - 85C 5V =10% AT27C080-10 0C - 70C -40C - 85C 5V =10% AT27C080-12 0C - 70C -40C - 85C 5V =10% AT27C080-15 0C - 70C -40C - 85C 5V =10%
DC and Operating Characteristics for Read Operation
Symbol ILI ILO ISB ICC VIL VIH VOL VOH Note: Parameter Input Load Current Output Leakage Current VCC(1) Standby Current VCC Active Current Input Low Voltage Input High Voltage Output Low Voltage Output High Voltage IOL = 2.1 mA IOH = -400 A 2.4 Condition VIN = 0V to VCC (Com., Ind.) VOUT = 0V to VCC (Com., Ind.) ISB1 (CMOS), CE = VCC= 0.3V ISB2 (TTL), CE = 2.0 to VCC + 0.5V f = 5 MHz, IOUT = 0 mA, CE = VIL -0.6 2.0 Min Max 1.0 5.0 100 1.0 40 0.8 VCC + 0.5 0.4 Units A A A mA mA V V V V
1. VCC must be applied simultaneously or before OE/ VPP, and removed simultaneously or after OE/VPP.
AC Characteristics for Read Operation
AT27C080 -90 Symbol tACC(4) tCE(3) tOE
(3)(4)
-10 Max 90 90 20 30 Min Max 100 100 20 30 0 0 Min
-12 Max 120 120 30 35 0 Min
-15 Max 150 150 35 40 Units ns ns ns ns ns
Parameter Address to Output Delay CE to Output Delay OE to Output Delay
Condition CE = OE/VPP = VIL OE = VIL CE = VIL
Min
tDF(2)(5) tOH Notes:
OE or CE High to Output Float, whichever occurred first Output Hold from Address, CE or OE/VPP,whichever occurred first 1. 2, 3, 4, 5. See AC Waveforms for Read Operation. 0
4
AT27C080
AT27C080
AC Waveforms for Read Operation(1)
Notes:
1. Timing measurement references are 0.8V and 2.0V. Input AC drive levels are 0.45V and 2.4V, unless otherwise specified. 2. tDF is specified form OE/VPP or CE, whichever occurs first. Output float is defined as the point when data is no longer driven. 3. OE/VPP may be delayed up to tCE - tOE after the falling edge of CE without impact on tCE. 4. OE/VPP may be delayed up to tACC- tOE after the address is valid without impact on tACC. 5. This parameter is only sampled and is not 100% tested.
Input Test Waveform and Measurement Levels
Output Test Load
1.3V (1N914) OUTPUT PIN 3.3K
CL
tR, tF < 20 ns (10% to 90%)
Note:
CL = 100 pF including jig capacitance.
Pin Capacitance
f = 1 MHz, T = 25C(1)
Symbol CIN COUT Note: Typ 4 8 Max 8 12 Units pF pF Conditions VIN = 0V VOUT = 0V
1. Typical values for nominal supply voltage. This parameter is only sampled and is not 100% tested.
5
Programming Waveforms
Notes:
1. The Input Timing reference is 0.8V for VIL and 2.0V for VIH. 2. tOE and tDFP are characteristics of the device but must be accommodated by the programmer.
DC Programming Characteristics
TA = 25 5C, VCC = 6.5 0.25V, OE/VPP = 13.0 0.25V
Limits Symbol ILI VIL VIH VOL VOH ICC2 IPP2 VID Parameter Input Load Current Input Low Level Input High Level Output Low Voltage Output High Voltage VCC Supply Current (Program and Verify) OE/VPP Supply Current A9 Product Identification Voltage CE = VIL 11.5 IOL = 2.1 mA IOH = -400 A 2.4 40 25 12.5 Test Conditions VIN = VIL, VIH -0.6 2.0 Min Max 10 0.8 VCC + 1.0 0.4 Units
A
V V V V mA mA V
6
AT27C080
AT27C080
AC Programming Characteristics
TA = 25 5C, VCC = 6.5 0.25V, OE/VPP = 13.0 0.25V
Limits Symbol tAS tOES tOEH tDS tAH tDH tDFP tVCS tPW tDV tVR tPRT Notes: Parameter Address Setup Time OE/VPP Setup Time OE/VPP Hold Time Data SetupTime Address Hold Time Data Hold Time CE High to Output Float Delay(2) VCC Setup Time CE Program Pulse Width Data Valid from CE OE/VPP Recovery Time OE/VPP Pulse Rise Time During Programming
(3)
Test Conditions
(1)
Min 2.0 2.0
Max
Units s s s s s s
Input Rise and Fall Times: (10% to 90%) 20 ns Input Pulse Levels: 0.45V to 2.4V Input Timing Reference Level: 0.8V to 2.0V Output Timing Reference Level: 0.8V to 2.0V
2.0 2.0 0.0 2.0 0.0 2.0 47.5 52.5 1.0 2.0 50 130
ns s s s ns ns
1. VCC must be applied simultaneously or before OE/VPP and removed simultaneously or after OE/VPP. 2. This parameter is only sampled and is not 100% tested. Output Float is defined as the point where data is no longer driven-- see timing diagram. 3. Program Pulse width tolerance is 50 s 5%.
Atmel's 27C080 Integrated Product Identification Code
Pins Codes Manufacturer Device Type A0 0 1 O7 0 1 O6 0 0 O5 0 0 O4 1 0 O3 1 1 O2 1 0 O1 1 1 O0 0 0 Hex Data 1E 8A
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Rapid Programming Algorithm
A 50 s CE pulse width is used to program. The address is set to the first location. VCC is raised to 6.5V and OE/VPP is raised to 13.0V. Each address is first programmed with one 50 s CE pulse without verification. Then a verification reprogramming loop is executed for each address. In the event a byte fails to pass verification, up to 10 successive 50 s pulses are applied with a verification after each pulse. If the byte fails to verify after 10 pulses have been applied, the part is considered failed. After the byte verifies properly, the next address is selected until all have been checked. OE/VPP is then lowered to VIL and VCC to 5.0V. All bytes are read again and compared with the original data to determine if the device passes or fails.
8
AT27C080
AT27C080
Ordering Information
tACC (ns) 90 ICC (mA) Active 40 Standby 0.1 Ordering Code AT27C080-90JC AT27C080-90PC AT27C080-90RC AT27C080-90TC AT27C080-90JI AT27C080-90PI AT27C080-90RI AT27C080-90TI AT27C080-10JC AT27C080-10PC AT27C080-10RC AT27C080-10TC AT27C080-10JI AT27C080-10PI AT27C080-10RI AT27C080-10TI Package 32J 32P6 32R 32T 32J 32P6 32R 32T 32J 32P6 32R 32T 32J 32P6 32R 32T Operation Range Commercial (0C to 70C)
40
0.1
Industrial (-40C to 85C)
100
40
0.1
Commercial (0C to 70C)
40
0.1
Industrial (-40C to 85C)
Package Type
32J 32P6 32R 32T 32-Lead,Plastic J-Leaded Chip Carrier (PLCC) 32-Lead, 0.600" Wide, Plastic Dual Inline Package (PDIP) 32-Lead, 0.450" Wide, Plastic Gull Wing Small Outline (SOIC) 32-Lead, Plastic Thin Small Outline Package (TSOP)
9
Ordering Information (Continued)
tACC (ns) 120 ICC (mA) Active 40 Standby 0.1 Ordering Code AT27C080-12JC AT27C080-12PC AT27C080-12RC AT27C080-12TC AT27C080-12JI AT27C080-12PI AT27C080-12RI AT27C080-12TI AT27C080-15JC AT27C080-15PC AT27C080-15RC AT27C080-15TC AT27C080-15JI AT27C080-15PI AT27C080-15RI AT27C080-15TI Package 32J 32P6 32R 32T 32J 32P6 32R 32T 32J 32P6 32R 32T 32J 32P6 32R 32T Operation Range Commercial (0C to 70C)
40
0.1
Industrial (-40C to 85C)
150
40
0.1
Commercial (0C to 70C)
40
0.1
Industrial (-40C to 85C)
Package Type
32J 32P6 32R 32T 32-Lead,Plastic J-Leaded Chip Carrier (PLCC) 32-Lead, 0.600" Wide, Plastic Dual Inline Package (PDIP) 32-Lead, 0.450" Wide, Plastic Gull Wing Small Outline (SOIC) 32-Lead, Plastic Thin Small Outline Package (TSOP)
10
AT27C080
AT27C080
Packaging Information
32J, 32-Lead, Plastic J-Leaded Chip Carrier (PLCC) Dimensions in Inches and (Millimeters)
JEDEC STANDARD MS-016 AE
32P6, 32-Lead, 0.600" Wide, Plastic Dual Inline Package (PDIP) Dimensions in Inches and (Millimeters)
1.67(42.4) 1.64(41.7)
.045(1.14) X 45
PIN NO. 1 IDENTIFY
.025(.635) X 30 - 45 .012(.305) .008(.203) .530(13.5) .490(12.4) .021(.533) .013(.330) .030(.762) .015(.381) .095(2.41) .060(1.52) .140(3.56) .120(3.05)
PIN 1
.032(.813) .026(.660)
.553(14.0) .547(13.9) .595(15.1) .585(14.9)
.566(14.4) .530(13.5)
1.500(38.10) REF .220(5.59) MAX SEATING PLANE .161(4.09) .125(3.18) .110(2.79) .090(2.29) .065(1.65) .041(1.04) .630(16.0) .590(15.0) 0 REF 15 .690(17.5) .610(15.5)
.090(2.29) MAX .005(.127) MIN
.050(1.27) TYP
.300(7.62) REF .430(10.9) .390(9.90) AT CONTACT POINTS
.065(1.65) .015(.381) .022(.559) .014(.356)
.022(.559) X 45 MAX (3X) .453(11.5) .447(11.4) .495(12.6) .485(12.3)
.012(.305) .008(.203)
32R, 32-Lead, 0.440" Wide, Plastic Gull Wing Small Outline (SOIC) Dimensions in Inches and (Millimeters)
32T, 32-Lead, Plastic Thin Small Outline Package (TSOP) Dimensions in Millimeters and (Inches)*
JEDEC OUTLINE MO-142 BD
INDEX MARK
18.5(.728) 18.3(.720)
20.2(.795) 19.8(.780)
0.50(.020) BSC
7.50(.295) REF 8.20(.323) 7.80(.307)
0.25(.010) 0.15(.006)
1.20(.047) MAX
0.15(.006) 0.05(.002) 0 5 REF 0.20(.008) 0.10(.004) 0.70(.028) 0.50(.020)
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