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WS57C43C-35 Datasheet(PDF) 1 Page - STMicroelectronics |
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WS57C43C-35 Datasheet(HTML) 1 Page - STMicroelectronics |
1 / 2 page PRODUCT SELECTION GUIDE PARAMETER WS57C43C-35 WS57C43C-45 WS57C43C-55 WS57C43C-70 Address Access Time (Max) 35 ns 45 ns 55 ns 70 ns CS to Output Valid Time (Max) 20 ns 25 ns 25 ns 25 ns WS57C43C PINS CS1 CS2 VCC OUTPUTS MODE VPP Read VIL VIH VCC DOUT Output Disable VIH XVCC High Z Output XVIL VCC High Z Disable Program VPP XVCC DIN Program Verify VIL VIH VCC DOUT VCC A8 A9 A10 CS1/VPP A11 CS2 O7 O6 O5 O4 O3 A7 A6 A5 A4 A3 A2 A1 A0 O0 O1 O2 GND A10 CS1/VPP A11 CS2 NC O7 O6 A5 A6 A7 VCC A8 A9 NC A4 A3 A2 A1 A0 NC O0 O1 O2 NC O3 O4 O5 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 1 43 2 28 27 26 25 24 23 22 21 20 19 5 6 7 8 9 10 11 12 13 14 15 16 17 18 TOP VIEW Chip Carrier CERDIP MODE SELECTION PIN CONFIGURATION 4-7 MILITARY HIGH SPED 4K x 8 CMOS PROM/RPROM KEY FEATURES • Ultra-Fast Access Time • Pin Compatible with 4K x 8 Bipolar PROMs — tACC = 35 ns • Immune to Latch-UP — tCS = 20 ns — Up to 200 mA • Low Power Consumption • ESD Protection Exceeds 2000 V • Fast Programming • Available in 300 Mil DIP and CLLCC • DESC SMD No. 5962-906580 GENERAL DESCRIPTION The WS57C43C is a High Performance 32K 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 WS57C43C 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 WS5743C in a windowed package is 100% tested with worst case test patterns both before and after assembly. The WS57C43C 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 WS57C43B. Return to Main Menu |
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