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WS57C49C-1 Datasheet(PDF) 1 Page - STMicroelectronics |
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WS57C49C-1 Datasheet(HTML) 1 Page - STMicroelectronics |
1 / 2 page WS57C49C MODE PINS CS1/VPP VCC OUTPUTS Read VIL VCC DOUT Output Disable VIH VCC High Z Program VPP VCC DIN Program Verify VIL VCC DOUT VCC A8 A9 A10 CS1/VPP A11 A12 O7 O6 O5 O4 O3 A7 A6 A5 A4 A3 A2 A1 A0 O0 O1 O2 GND A10 CS1/VPP A11 A12 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/Flatpack MODE SELECTION PIN CONFIGURATION 4-9 MILITARY HIGH SPEED 8K x 8 CMOS PROM/RPROM KEY FEATURES • Ultra-Fast Access Time • Pin Compatible with 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 and 600 Mil DIP, CLLCC, and Flatpack 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. PRODUCT SELECTION GUIDE PARAMETER WS57C49C-35 WS57C49C-45 WS57C49C-55 WS57C49C-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 Return to Main Menu |
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Similar Description - WS57C49C-1 |
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