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HMS12832M4G-15 Datasheet(PDF) 1 Page - Hanbit Electronics Co.,Ltd |
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HMS12832M4G-15 Datasheet(HTML) 1 Page - Hanbit Electronics Co.,Ltd |
1 / 11 page HANBit HMS12832M4G/Z4 URL: www.hbe.co.kr 1 HANBit Electronics Co.,Ltd. Rev. 1.0 (September / 2002) 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. 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 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 OPTIONS MARKING w Timing 8ns access - 8 10ns access -10 12ns access -12 15ns access -15 20ns access -20 w Packages 64-pin SIMM M 64-pin ZIP Z PIN SYMBOL PIN SYMBOL PIN SYMBOL PIN SYMBOL 1 Vss 17 A2 33 /CE4 49 A4 2 NC 18 A9 34 /CE3 50 A11 3 NC 19 DQ12 35 NC 51 A5 4 DQ0 20 DQ4 36 A16 52 A12 5 DQ8 21 DQ13 37 /OE 53 Vcc 6 DQ1 22 DQ5 38 Vss 54 A13 7 DQ9 23 DQ14 39 DQ24 55 A6 8 DQ2 24 DQ6 40 DQ16 56 DQ20 9 DQ10 25 DQ15 41 DQ25 57 DQ28 10 DQ3 26 DQ7 42 DQ17 58 DQ21 11 DQ11 27 Vss 43 DQ26 59 DQ29 12 Vcc 28 /WE 44 DQ18 60 DQ22 13 A0 29 A15 45 DQ27 61 DQ30 14 A7 30 A14 46 DQ19 62 DQ23 15 A1 31 /CE2 47 A3 63 DQ31 16 A8 32 /CE1 48 A10 64 Vss PIN ASSIGNMENT SIMM TOP VIEW SRAM MODULE 512KByte (128K x 32-Bit), 64PIN SIMM / ZIP Part No. HMS12832M4G, HMS12832Z4 |
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Similar Description - HMS12832M4G-15 |
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