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WS57C291C-35 Datasheet(PDF) 1 Page - STMicroelectronics |
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WS57C291C-35 Datasheet(HTML) 1 Page - STMicroelectronics |
1 / 2 page PRODUCT SELECTION GUIDE PARAMETER WS57C191C/291C-35 WS57C191C/291C-45 WS57C191C/291C-55 Address Access Time (Max) 35 ns 45 ns 55 ns CS to Output Valid Time (Max) 20 ns 20 ns 20 ns MILITARY HIGH SPEED 2K x 8 CMOS PROM/RPROM KEY FEATURES • Ultra-Fast Access Time • Pin Compatible with Am27S191/291 — tACC = 35 ns and N82S191 Bipolar PROMs —tCS = 20 ns • Immune to Latch-UP • Low Power Consumption — Up to 200 mA • Fast Programming • ESD Protection Exceeds 2000V • Available in 300 and 600 Mil DIP GENERAL DESCRIPTION The WS57C191C/291C is an extremely High Performance 16K 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. The WS57C191C/291C is also configured in the standard 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. The WS57C291C is packaged in a space saving 300 mil DIP package configuration. WS57C191C/291C PINS CS1/VPP CS2 CS3 VCC OUTPUTS MODE Read VIL VIH VIH VCC DOUT Output Disable VIH XX VCC High Z Output XVIL XVCC High Z Disable Program VPP XX VCC DIN Program Verify VIL VIH VIH VCC DOUT Output Disable XX VIL VCC High Z VCC A8 A9 A10 CS1/VPP CS2 CS3 O7 O6 O5 O4 O3 A7 A6 A5 A4 A3 A2 A1 A0 O0 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 TOP VIEW CERDIP MODE SELECTION PIN CONFIGURATION 4-3 Return to Main Menu |
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