SRAM MODULE 512KByte
HANBit
HMS12832M4G/Z4
SRAM MODULE 512KByte (128K x 32-Bit), 64PIN SIMM / ZIP
Part No. HMS12832M4G, HMS12832Z4
GENERAL ...
Description
HANBit
HMS12832M4G/Z4
SRAM MODULE 512KByte (128K x 32-Bit), 64PIN SIMM / ZIP
Part No. HMS12832M4G, HMS12832Z4
GENERAL DESCRIPTION
The HMS12832M4G/Z4 is a high-speed static random access memory (SRAM) module containing 131,072 words organized in a x32-bit configuration. The module consists of four 128K x 8 SRAMs mounted on a 64-pin, single-sided, FR4-printed circuit board. PD0 and PD1 identify the module’s density allowing interchangeable use of alternate density, industry- standard modules. Four chip enable inputs, (/CE1, /CE2, /CE3 and /CE4) are used to enable the module’s 4 bytes independently. Output enable(/OE) and write enable(/WE) can set the memory input and output. Data is written into the SRAM memory when write enable (/WE) and chip enable (/CE) inputs are both LOW. accomplished when /WE remains HIGH and /CE and output enable (/OE) are LOW. For reliability, this SRAM module is designed as multiple power and ground pin. All module components may be powered from a single +5V DC power supply and all inputs and outputs are fully TTL-compatible. Reading is
FEATURES
w Access times : 10, 12, 15 and 20ns w High-density 512KByte design w High-reliability, high-speed design w Single + 5V ±0.5V power supply w Easy memory expansion with /CE and /OE functions w All inputs and outputs are TTL-compatible w Industry-standard pinout w FR4-PCB design
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PIN ASSIGNMENT
PIN 1 2 3 4 5 6 7 8 SYMBOL Vss NC NC DQ0 DQ8 DQ1 DQ9 DQ2 DQ10 DQ3 DQ11 Vcc A0 A7 A1 A8 PIN 17 18 ...
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