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EDI8F32512C20MZC-G Datasheet(PDF) 1 Page - White Electronic Designs Corporation |
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EDI8F32512C20MZC-G Datasheet(HTML) 1 Page - White Electronic Designs Corporation |
1 / 8 page 1 White Electronic Designs Corporation • (602) 437-1520 • www.wedc.com EDI8F32512C White Electronic Designs Corp. reserves the right to change products or specifications without notice. March 2006 Rev. 9 FEATURES 512Kx32 bit CMOS Static Random Access Memory Access Times: 15, 20, and 25ns Individual Byte Selects Fully Static, No Clocks TTL Compatible I/O High Density Package 72 Pin ZIP, No. 173 72 lead SIMM, No. 174 (Gold Option) Common Data Inputs and Outputs Single +5V (±10%) Supply Operation Note: Consult factory for availability of: • RoHS compliant products • Vendor source control options • Industrial temperature option DESCRIPTION The EDI8F32512C is a high speed 16 megabit Static RAM module organized as 512K words by 32 bits. This module is constructed from four 512Kx8 Static RAMs in SOJ packages on an epoxy laminate (FR4) board. Four chip enables (EØ-E3) are used to independently enable the four bytes. Reading or writing can be executed on individual bytes or any combination of multiple bytes through proper use of selects. The EDI8F32512C is offered in 72 pin ZIP and 72 lead SIMM packages, which enable 16 megabits of memory to be placed in less than 1.3 square inches of board space. All inputs and outputs are TTL compatible and operate from a single 5V supply. Fully asynchronous circuitry requires no clocks or refreshing for operation and provides equal access and cycle times for ease of use. Pins PD1- PD4, are used to identify module memory density in applications where alternate modules can be interchanged. 512Kx32 Static RAM CMOS, High Speed Module Pin Configurations and Block Diagram Pin Names FIG. 1 NC PD3 PD0 DQ0 DQ1 DQ2 DQ3 VCC A7 A8 A9 DQ4 DQ5 DQ6 DQ7 W# A14 E0# E2# A16 VSS DQ16 DQ17 DQ18 DQ19 A10 A11 A12 A13 DQ20 DQ21 DQ22 DQ23 VSS NC NC 2 4 6 8 10 12 14 16 18 20 22 24 26 28 30 32 34 36 38 40 42 44 46 48 50 52 54 56 58 60 62 64 66 68 70 72 1 3 5 7 9 11 13 15 17 19 21 23 25 27 29 31 33 35 37 39 41 43 45 47 49 51 53 55 57 59 61 63 65 67 69 71 NC PD2 VSS PD1 DQ8 DQ9 DQ10 DQ11 A0 A1 A2 DQ12 DQ13 DQ14 DQ15 VSS A15 E1# E3# A17 G# DQ24 DQ25 DQ26 DQ27 A3 A4 A5 VCC A6 DQ28 DQ29 DQ30 DQ31 A18 NC 8G32512C Pin Config. PD2= VSS PD0, PD1, PD3= OPEN A0-A18 Address Inputs E0#-E3# Chip Enables W# Write Enable G# Output Enable DQ0-DQ31 Common Data Input/Output VCC Power (+5V±10%) VSS Ground NC No Connectiona 8G32512C Blk Dia. A0-A18 W# G# E0# E1# E2# E3# DQ0-DQ7 DQ8-DQ15 DQ16-DQ23 DQ24-DQ31 512K X 8 512K X 8 512K X 8 512K X 8 |
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