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MT58L64L32FT-10 Datasheet(PDF) 3 Page - Micron Technology |
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MT58L64L32FT-10 Datasheet(HTML) 3 Page - Micron Technology |
3 / 24 page 3 2Mb: 128K x 18, 64K x 32/36 Flow-Through SyncBurst SRAM Micron Technology, Inc., reserves the right to change products or specifications without notice. MT58L128L18F_2.p65 – Rev. 6/01 ©2000, Micron Technology, Inc. 2Mb: 128K x 18, 64K x 32/36 FLOW-THROUGH SYNCBURST SRAM GENERAL DESCRIPTION (continued) Address and write control are registered on-chip to simplify WRITE cycles. This allows self-timed WRITE cycles. Individual byte enables allow individual bytes to be written. During WRITE cycles on the x18 device, BWa# controls DQa pins and DQPa; BWb# controls DQb pins and DQPb. During WRITE cycles on the x32 and x36 devices, BWa# controls DQa pins and DQPa; BWb# controls DQb pins and DQPb; BWc# controls DQc pins and DQPc; BWd# controls DQd pins and DQPd. GW# LOW causes all bytes to be written. Parity bits are only available on the x18 and x36 versions. Micron’s 2Mb SyncBurst SRAMs operate from a +3.3V VDD power supply, and all inputs and outputs are TTL-compatible. Users can choose either a 3.3V or 2.5V I/O version. The device is ideally suited for 486, Pentium®, 680X0, and PowerPC systems and systems that benefit from a very wide data bus. The device is also ideal in generic 16-, 18-, 32-, 36-, 64-, and 72-bit-wide applications. Please refer to Micron’s Web site (www.micronsemi.com/datasheets/syncds.html) for the latest data sheet. TQFP PIN ASSIGNMENT TABLE PIN # x18 x32/x36 1 NC NC/DQPc** 2NC DQc 3NC DQc 4VDDQ 5VSS 6NC DQc 7NC DQc 8 DQb DQc 9 DQb DQc 10 VSS 11 VDDQ 12 DQb DQc 13 DQb DQc 14 VSS 15 VDD 16 NC 17 VSS 18 DQb DQd 19 DQb DQd 20 VDDQ 21 VSS 22 DQb DQd 23 DQb DQd 24 DQPb DQd 25 NC DQd PIN # x18 x32/x36 PIN # x18 x32/x36 PIN # x18 x32/x36 *Pin 50 is reserved for address expansion. **No Connect (NC) is used on the x32 version. Parity (DQPx) is used on the x36 version. 76 VSS 77 VDDQ 78 NC DQb 79 NC DQb 80 SA NC/DQPb** 81 SA 82 SA 83 ADV# 84 ADSP# 85 ADSC# 86 OE# 87 BWE# 88 GW# 89 CLK 90 VSS 91 VDD 92 CE2# 93 BWa# 94 BWb# 95 NC BWc# 96 NC BWd# 97 CE2 98 CE# 99 SA 100 SA 26 VSS 27 VDDQ 28 NC DQd 29 NC DQd 30 NC NC/DQPd** 31 MODE 32 SA 33 SA 34 SA 35 SA 36 SA1 37 SA0 38 DNU 39 DNU 40 VSS 41 VDD 42 DNU 43 DNU 44 SA 45 SA 46 SA 47 SA 48 SA 49 SA 50 NC/SA* 51 NC NC/DQPa** 52 NC DQa 53 NC DQa 54 VDDQ 55 VSS 56 NC DQa 57 NC DQa 58 DQa 59 DQa 60 VSS 61 VDDQ 62 DQa 63 DQa 64 ZZ 65 VDD 66 NC 67 VSS 68 DQa DQb 69 DQa DQb 70 VDDQ 71 VSS 72 DQa DQb 73 DQa DQb 74 DQPa DQb 75 NC DQb |
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