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HMS51232M4G-10 Datasheet(PDF) 1 Page - Hanbit Electronics Co.,Ltd |
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HMS51232M4G-10 Datasheet(HTML) 1 Page - Hanbit Electronics Co.,Ltd |
1 / 6 page HANBit HMS51232M4G 1 HANBit Electronics Co.,Ltd. PD0 = Open PD1 = Open PD2 = Vss PD3 = Open 72-Pin SIMM TOP VIEW GENERAL DESCRIPTION The HMS51232M4GG is a high-speed static random access memory (SRAM) module containing 1,048,576 words organized in a x32-bit configuration. The module consists of four 512K x 8 SRAMs mounted on a 72-pin, single-sided, FR4-printed circuit board. PD0 to PD3 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. Reading is 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. FEATURES w Access times : 10, 12, 15, 17 and 20 w High-density 2Mbyte design w High-reliability, high-speed design w Single + 5V ±0.5V power supply w Easy memory expansion /CE and /OE functions w All inputs and outputs are TTL-compatible w Industry-standard pinout w FR4-PCB design w Part Identification - HMS51232M4G : SIMM design OPTIONS MARKING w Timing 10ns access -10 12ns access -12 15ns access -15 17ns access -17 20ns access -20 w Packages 72-pin SIMM M PIN SYMBOL PIN SYMBOL PIN SYMBOL 1 NC 25 DQ13 49 DQ27 2 NC 26 DQ5 50 DQ19 3 PD2 27 DQ14 51 A3 4 PD3 28 DQ6 52 A10 5 Vss 29 DQ15 53 A4 6 PD0 30 DQ7 54 A11 7 PD1 31 Vss 55 A5 8 DQ0 32 /WE 56 A12 9 DQ8 33 A15 57 Vcc 10 DQ1 34 A14 58 A13 11 DQ9 35 /CE2 59 A6 12 DQ2 36 /CE1 60 DQ20 13 DQ10 37 /CE4 61 DQ28 14 DQ3 38 /CE3 62 DQ21 15 DQ11 39 A17 63 DQ29 16 Vcc 40 A16 64 DQ22 17 A0 41 /OE 65 DQ30 18 A7 42 Vss 66 DQ23 19 A1 43 DQ24 67 DQ31 20 A8 44 DQ16 68 Vss 21 A2 45 DQ25 69 A18 22 A9 46 DQ17 70 NC 23 DQ12 47 DQ26 71 NC 24 DQ4 48 DQ18 72 NC PIN ASSIGNMENT SRAM MODULE 2Mbyte (512K x 32-Bit), 72PIN SIMM, 5V Part No. HMS51232M4G |
Similar Part No. - HMS51232M4G-10 |
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Similar Description - HMS51232M4G-10 |
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