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MCM6729DWJ12R Datasheet(PDF) 1 Page - Motorola, Inc |
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MCM6729DWJ12R Datasheet(HTML) 1 Page - Motorola, Inc |
1 / 7 page MCM6729D 1 MOTOROLA FAST SRAM 256K x 4 Bit Fast Static Random Access Memory The MCM6729D is a 1,048,576 bit static random access memory organized as 262,144 words of 4 bits. Static design eliminates the need for external clocks or timing strobes. Output enable (G) is a special control feature that provides increased system flexibility and eliminates bus contention problems. This device meets JEDEC standards for functionality and revolutionary pinout, and is available in a 400 mil plastic small–outline J–leaded package. • Single 5 V ± 10% Power Supply • Fully Static — No Clock or Timing Strobes Necessary • All Inputs and Outputs Are TTL Compatible • Three State Outputs • Fast Access Times: 8, 10, 12 ns • Center Power and I/O Pins for Reduced Noise BLOCK DIAGRAM ROW DECODER MEMORY MATRIX 512 ROWS x 512 x 4 COLUMNS INPUT DATA CONTROL COLUMN I/O COLUMN DECODER A A A A A A A A DQ AA A A A E W VCC VSS A A A A A DQ G Order this document by MCM6729D/D MOTOROLA SEMICONDUCTOR TECHNICAL DATA PIN ASSIGNMENT MCM6729D WJ PACKAGE 400 MIL SOJ CASE 857A–02 32 31 30 29 28 27 26 25 24 23 22 21 2 3 1 5 6 4 7 9 10 8 12 13 11 14 20 15 16 19 18 17 A A A A E A W A A A VCC A A A A DQ A G DQ A A A A VSS VCC VSS DQ DQ NC A NC NC A Address Input . . . . . . . . . . . . . . . . . . . . . E Chip Enable . . . . . . . . . . . . . . . . . . . . . . W Write Enable . . . . . . . . . . . . . . . . . . . . G Output Enable . . . . . . . . . . . . . . . . . . . DQ Data Input/Output . . . . . . . . . . . . . . . VCC + 5 V Power Supply . . . . . . . . . . . . VSS Ground . . . . . . . . . . . . . . . . . . . . . . . NC No Connection . . . . . . . . . . . . . . . . . . PIN NAMES 10/9/96 © Motorola, Inc. 1996 |
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