WS57C191C STMicroelectronics, WS57C191C Datasheet
WS57C191C
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WS57C191C Summary of contents
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... Bipolar PROM pinout which provides an easy upgrade path for systems which are currently using Bipolar PROMs. The WS57C191C is packaged in a conventional 600 mil DIP package as well as a Plastic Leaded Chip Carrier (PLDCC) and a Ceramic Leadless Chip Carrier (CLLCC). The WS57C291C is packaged in a space saving 300 mil DIP package configuration ...
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... WS57C191C/291C ABSOLUTE MAXIMUM RATINGS* Storage Temperature............................–65° 150°C Voltage on any Pin with Respect to Ground ....................................–0.6V to +7V V with Respect to Ground...................–0. 14V PP ESD Protection .................................................. * 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 ...
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... AC READ TIMING DIAGRAM ADDRESSES CS OUTPUTS Over Operating Range. (See Above) 191C/291C-25 191C/291C-35 191C/291C-45 191C/291C-55 MIN MAX MIN MAX t 25 ACC VALID t ACC t CS WS57C191C/291C MIN MAX MIN MAX VALID t DF UNITS ns 2-9 ...
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... WS57C191C/291C CAPACITANCE ( 25° MHz A SYMBOL PARAMETER C Input Capacitance IN C Output Capacitance OUT C V Capacitance VPP PP NOTES: 4. This parameter is only sampled and is not 100% tested. 5.Typical values are for TA = 25°C and nominal supply voltages. TEST LOAD (High Impedance Test Systems ...
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... SUPPLY VOLTAGE ( V ) NORMALIZED T aa vs. AMBIENT TEMPERATURE 1.6 1.4 1.2 1.0 0.8 0.6 -55 -35 - AMBIENT TEMPERATURE ( °C ) TYPICAL ACCESS TIME CHANGE 40.0 35.0 30.0 25.0 20.0 15.0 10.0 5.0 0.0 6.0 0.0 NORMALIZED SUPPLY CURRENT 1.2 1.1 1.0 0.9 0.8 -55 -35 -15 85 105 125 WS57C191C/291C vs. OUTPUT LOADING 200 400 600 800 1000 CAPACITANCE ( pF ) vs. AMBIENT TEMPERATURE 105 125 AMBIENT TEMPERATURE (°C) 2-11 ...
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... WS57C191C/291C PROGRAMMING INFORMATION DC CHARACTERISTICS SYMBOLS Input Leakage Current Supply Current During Programming Pulse I V Supply Current CC CC Output Low Voltage During Verify mA) OL Output High Voltage During Verify –4 mA) OH NOTES must not be greater than 13 volts including overshoot. ...
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... WS57C291C-55TMB 55 NOTE: 9. The actual part marking will not include the initials "WS." *SMD product. See section 4 for DESC SMD number. PROGRAMMING/ALGORITHMS/ERASURE/PROGRAMMERS The WS57C191C and WS57C291C are programmed using Algorithm D shown on page 5-9. Return to Main Menu PACKAGE PACKAGE TYPE DRAWING 24 Pin CERDIP, 0.6" ...