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HMS1M32M8G-20 Datasheet(PDF) 1 Page - Hanbit Electronics Co.,Ltd |
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HMS1M32M8G-20 Datasheet(HTML) 1 Page - Hanbit Electronics Co.,Ltd |
1 / 9 page HANBit HMS1M32M8G/Z8 HANBit Electronics Co.,Ltd. 1 GENERAL DESCRIPTION The HMS1M32M8G/Z8 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 eight 1M x 4 SRAMs mounted on a 72-pin, double-sided, FR4-printed circuit board. PD0 to PD3 identify the module’s density allowing interchangeable use of alternate density, industry- standard modules. Eight 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 Access times : 10, 12, 15, 17 and 20ns High-density 4MByte design High-reliability, high-speed design Single + 5V ±10% power supply Easy memory expansion /CE and /OE functions All inputs and outputs are TTL-compatible Industry-standard pinout FR4-PCB design Low profile 72-pin Part identification - HMS1M32M8G : SIMM design, Gold Plate Lead - HMS1M32Z8 : ZIP design → The both are pin-to-pin compatible OPTIONS MARKING Timing 10ns access -10 12ns access -12 15ns access -15 17ns access -17 20ns access -20 Packages 72-pin SIMM M 72-pin ZIP Z 72-Pin ZIP TOP VIEW PD0 - Vss PD1 - Open PD2 - Vss PD3 - Open PIN ASSIGNMENT NC PD3 PD0 DQ0 DQ1 DQ2 DQ3 Vcc A7 A8 A9 DQ4 DQ5 DQ6 DQ7 /WE A14 /CE1 /CE3 A16 Vss DQ16 DQ17 DQ18 DQ19 A10 A11 A12 A13 DQ20 DQ21 DQ22 DQ23 Vss A19 NC 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 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 NC PD2 Vss PD1 DQ8 DQ9 DQ10 DQ11 A0 A1 A2 DQ12 DQ13 DQ14 DQ15 Vss A15 /CE2 /CE4 A17 /OE DQ24 DQ25 DQ26 DQ27 A3 A4 A5 Vcc A6 DQ28 DQ29 DQ30 DQ31 A18 NC SRAM MODULE 4Mbyte(1M x 32-Bit) Part No. HMS1M32M8G, HMS1M32Z8 H A N B I T |
Similar Part No. - HMS1M32M8G-20 |
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Similar Description - HMS1M32M8G-20 |
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