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WS57C49C
HIGH SPEED 8K x 8 CMOS PROM/RPROM
KEY FEATURES
* Ultra-Fast Access Time
-- t ACC = 25 ns -- t CS = 12 ns
* Pin Compatible with Bipolar PROMs * Immune to Latch-UP
-- Up to 200 mA
* Low Power Consumption * Fast Programming
* ESD Protection Exceeds 2000 V * Available in 300 Mil DIP and PLDCC
GENERAL DESCRIPTION
The WS57C49C is a High Performance 64K UV Erasable Electrically Re-Programmable Read Only Memory (RPROM). It is manufactured in an advanced CMOS technology which enables it to operate at Bipolar PROM speeds while consuming only 25% of the power required by its Bipolar counterparts. A further advantage of the WS57C49C over Bipolar PROM devices is the fact that it utilizes a proven EPROM technology. This enables the entire memory array to be tested for switching characteristics and functionality after assembly. Unlike devices which cannot be erased, every WS57C49C in a windowed package is 100% tested with worst case test patterns both before and after assembly. The WS57C49C is configured in the standard Bipolar PROM pinout which provides an easy upgrade path for systems which are currently using Bipolar PROMs, or its predecessor, the WS57C49B.
BLOCK DIAGRAM
PIN CONFIGURATION
TOP VIEW
8 A5 - A12 ROW ADDRESSES
ROW DECODER
EPROM ARRAY
Chip Carrier
NC
65,536 BITS
CERDIP/Plastic DIP Flatpack
A7 A6 A5 A10 A4 CS1/VPP A3 A11 A2 A12 A1 NC A0 O7 O0 O6 O1 O2 GND 1 2 3 4 5 6 7 8 9 10 11 12 24 23 22 21 20 19 18 17 16 15 14 13 VCC A8 A9 A10 CS1/VPP A11 A12 O7 O6 O5 O4 O3
A5 A 6 A 7
5 A0 - A4 COLUMN ADDRESSES
VCC A8 A9
COLUMN DECODER
SENSE AMPLIFIERS
A4 A3 A2 A1 A0 NC O0
28 27 26 1 5 25 6 24 7 23 8 22 9 21 10 20 11 19 12 13 14 15 16 17 18 O1 O2 NC O3 O4 O5
432
CS1/ VPP
GND
8
OUTPUTS
PRODUCT SELECTION GUIDE
PARAMETER Address Access Time (Max) CS to Output Valid Time (Max) 57C49C-25 25 ns 12 ns 57C49C-35 35 ns 20 ns 57C49C-45 45 ns 25 ns 57C49C-55 55 ns 25 ns 57C49C-70 70 ns 25 ns
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WS57C49C
ABSOLUTE MAXIMUM RATINGS*
Storage Temperature............................-65 to + 150C Voltage on any Pin with Respect to Ground ....................................-0.6V to +7V VPP with Respect to Ground...................-0.6V to + 13V ESD Protection ..................................................>2000V
MODE SELECTION
PINS MODE Read Output Disable Program Program Verify CS1/VPP VIL VIH VPP VIL VCC VCC VCC VCC VCC OUTPUTS DOUT High Z DIN DOUT
*NOTICE:
Stresses above 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 above those indicated in the operational sections of this specification is not implied. Exposure to absolute maximum rating conditions for extended periods of time may affect device reliability.
OPERATING RANGE
RANGE Commercial Industrial Military TEMPERATURE 0C to +70C -40C to +85C -55C to +125C VCC +5V 10% +5V 10% +5V 10%
DC READ CHARACTERISTICS Over Operating Range. (See Above)
SYMBOL VIL VIH VOL VOH PARAMETER Input Low Voltage Input High Voltage Output Low Voltage Output High Voltage VCC Active Current (CMOS) (Note 3) (Note 3) IOL = 16 mA IOH = -4 mA VCC = 5.5 V, f = 0 MHz (Note 1), Output Not Loaded Add 3 mA/MHz for AC Operation VCC = 5.5 V, f = 0 MHz (Note 2), Output Not Loaded Add 3 mA/MHz for AC Operation VIN = 5.5V or Gnd VOUT = 5.5 V or Gnd Comm'l Industrial Military Comm'l Industrial Military -10 -10 2.4 30 35 35 40 50 50 10 10 TEST CONDITIONS MIN -0.1 2.0 MAX 0.8 VCC + 0.3 0.4 UNITS V V V V mA mA mA mA mA mA A A
ICC1
ICC2
VCC Active Current (TTL) Input Leakage Current Output Leakage Current
ILI ILO
NOTES:
1. CMOS inputs: GND 0.3V or VCC 0.3V. 2. TTL inputs: VIL 0.8V, VIH 2.0V. 3. These are absolute voltages with respect to device ground pin and include all overshoots due to system and/or tester noise. Do not attempt to test these values without suitable equipment.
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WS57C49C
AC READ CHARACTERISTICS Over Operating Range. (See Above)
PARAMETER Address to Output Delay CS1 to Output Delay Output Disable to Output Float* Address to Output Hold SYMBOL tACC tCS tDF tOH 0 57C49C-25 57C49C-35 57C49C-45 57C49C-55 57C49C-70
MIN MAX MIN MAX MIN MAX MIN MAX MIN MAX
UNITS
25 12 12 0
35 20 25 0
45 25 25 0
55 25 25 0
70 25 ns 25
*Sampled, Not 100% Tested.
AC READ TIMING DIAGRAM
ADDRESSES
VALID tACC tOH
CS tCS OUTPUTS VALID tDF
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WS57C49C
CAPACITANCE (4) TA = 25C, f = 1 MHz
SYMBOL C IN C OUT C VPP PARAMETER Input Capacitance Output Capacitance VPP Capacitance CONDITIONS VIN = 0V VOUT = 0V VPP = 0 V TYP (5) 4 8 18 MAX 6 12 25 UNITS pF pF pF
NOTES: 4. This parameter is only sampled and is not 100% tested. 5.Typical values are for TA = 25C and nominal supply voltages.
TEST LOAD (High Impedance Test Systems)
A.C. TESTING INPUT/OUTPUT WAVEFORM
98 2.01 V D.U.T.
3.0 1.5 0.0 30 pF (INCLUDING SCOPE AND JIG CAPACITANCE)
TEST POINTS
1.5
A.C. testing inputs are driven at 3.0 V for a logic "1" and 0.0 V for a logic "0." Timing measurements are made at 1.5 V for input and output transitions in both directions. NOTE: 6. Provide adequate decoupling capacitance as close as possible to this device to achieve the published A.C. and D.C. parameters. A 0.1 microfarad capacitor in parallel with a 0.01 microfarad capacitor connected between VCC and ground is recommended. Inadequate decoupling may result in access time degradation or other transient performance failures.
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WS57C49C
NORMALIZED SUPPLY CURRENT vs. SUPPLY VOLTAGE
1.60 40.0 35.0 1.40 30.0 NORMALIZED I CC DELTA Taa (ns) 1.20 25.0 20.0 15.0 10.0 5.0 0.60 4.0 4.5 5.0 5.5 6.0 SUPPLY VOLTAGE ( V ) 0.0
TYPICAL ACCESS TIME CHANGE vs. OUTPUT LOADING
1.00
0.80
0.0
200
400
600
800
1000
CAPACITANCE ( pF )
NORMALIZED Taa vs. AMBIENT TEMPERATURE
1.6 1.2
NORMALIZED SUPPLY CURRENT vs. AMBIENT TEMPERATURE
1.4 1.1 NORMALIZED Taa 1.2 NORMALIZED I CC
1.0
1.0
0.9 0.8
0.6 -55 -35 -15 5 25 45 65 85 105 125 AMBIENT TEMPERATURE (C )
0.8 -55 -35 -15 5 25 45 65 85 105 125 AMBIENT TEMPERATURE (C)
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WS57C49C
PROGRAMMING INFORMATION DC CHARACTERISTICS (TA = 25 5C, VCC = 6.25 V 0.25 V, VPP = 12.75 0.25 V)
SYMBOLS ILI IPP ICC VOL VOH PARAMETER Input Leakage Current (VIN = VCC or Gnd) VPP Supply Current During Programming Pulse VCC Supply Current Output Low Voltage During Verify (IOL = 16 mA) Output High Voltage During Verify (IOH = -4 mA) 2.4 MIN -10 MAX 10 60 35 0.45 UNITS A mA mA V V
NOTES: 7. VPP must not be greater than 13 volts including overshoot.
AC CHARACTERISTICS (TA = 25 5C, VCC = 6.25 V 0.25 V, VPP = 12.75 0.25 V)
SYMBOLS tAS tDF tDS tPW tDH tCS tRF PARAMETER Address Setup Time Chip Disable Setup Time Data Setup Time Program Pulse Width Data Hold Time Chip Select Delay VPP Rise and Fall Time 1 2 100 2 30 200 MIN 2 30 TYP MAX UNITS s ns s s s ns s
PROGRAMMING WAVEFORM
VIH
ADDRESSES VIL tAS ADDRESS STABLE
VIH
DATA VIL tDF VPP tDS tPW tDH tCS DATA IN DATA OUT
VIH
CS1/VPP VIL tRF tRF
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WS57C49C
ORDERING INFORMATION
PART NUMBER WS57C49C-25D WS57C49C-25J WS57C49C-25S WS57C49C-25T WS57C49C-35CMB WS57C49C-35D WS57C49C-35DMB WS57C49C-35J WS57C49C-35L WS57C49C-35S WS57C49C-35T WS57C49C-35TI WS57C49C-35TMB WS57C49C-45CMB* WS57C49C-45D WS57C49C-45DMB* WS57C49C-45J WS57C49C-45JI WS57C49C-45L WS57C49C-45S WS57C49C-45T WS57C49C-45TI WS57C49C-45TMB* WS57C49C-55CMB* WS57C49C-55D WS57C49C-55DMB* WS57C49C-55FMB* WS57C49C-55J WS57C49C-55T WS57C49C-55TMB* WS57C49C-70CMB* WS57C49C-70D WS57C49C-70TMB* SPEED (ns) 25 25 25 25 35 35 35 35 35 35 35 35 35 45 45 45 45 45 45 45 45 45 45 55 55 55 55 55 55 55 70 70 70 PACKAGE TYPE 24 Pin CERDIP, 0.6" 28 Pin PLDCC 24 Pin Plastic DIP, 0.3" 24 Pin CERDIP, 0.3" 28 Pad CLLCC 24 Pin CERDIP, 0.6" 24 Pin CERDIP, 0.6" 28 Pin PLDCC 28 Pin CLDCC 24 Pin Plastic DIP, 0.3" 24 Pin CERDIP, 0.3" 24 Pin CERDIP, 0.3" 24 Pin CERDIP, 0.3" 28 Pad CLLCC 24 Pin CERDIP, 0.6" 24 Pin CERDIP, 0.6" 28 Pin PLDCC 28 Pin PLDCC 28 Pin CLDCC 24 Pin Plastic DIP, 0.3" 24 Pin CERDIP, 0.3" 24 Pin CERDIP, 0.3" 24 Pin CERDIP, 0.3" 28 Pad CLLCC 24 Pin CERDIP, 0.6" 24 Pin CERDIP, 0.6" 24 Pin Ceramic Flatpack 28 Pin PLDCC 24 Pin CERDIP, 0.3" 24 Pin CERDIP, 0.3" 28 Pad CLLCC 24 Pin CERDIP, 0.6" 28 Pin CERDIP, 0.3" WSI PACKAGE OPERATING TEMPERATURE MANUFACTURING DRAWING RANGE PROCEDURE D1 J3 S1 T1 C1 D1 D1 J3 L2 S1 T1 T1 T1 C1 D1 D1 J3 J3 L2 S1 T1 T1 T1 C1 D1 D1 F1 J3 T1 T1 C1 D1 T1 Comm'l Comm'l Comm'l Comm'l Military Comm'l Military Comm'l Comm'l Comm'l Comm'l Industrial Military Military Comm'l Military Comm'l Industrial Comm'l Comm'l Comm'l Industrial Military Military Comm'l Military Military Comm'l Comm'l Military Military Comm'l Military Standard Standard Standard Standard MIL-STD-883C Standard MIL-STD-883C Standard Standard Standard Standard Standard MIL-STD-883C MIL-STD-883C Standard MIL-STD-883C Standard Standard Standard Standard Standard Standard MIL-STD-883C MIL-STD-883C Standard MIL-STD-883C MIL-STD-883C Standard Standard MIL-STD-883C MIL-STD-883C Standard MIL-STD-883C
NOTE: The actual part marking will not include the initials "WS."
*SMD product. See section 4 for SMD number.
PROGRAMMING/ALGORITHMS/ERASURE/PROGRAMMERS REFER TO PAGE 5-1
The WS57C49C is programmed using Algorithm D shown on page 5-9.
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