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M29W640GH60ZA6E Datasheet(PDF) 9 Page - Numonyx B.V |
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M29W640GH60ZA6E Datasheet(HTML) 9 Page - Numonyx B.V |
9 / 90 page M29W640GH, M29W640GL, M29W640GT, M29W640GB Description 9/90 Table 2. Signal names(1) Name Description Direction A0-A21 Address Inputs Inputs DQ0-DQ7 Data Inputs/Outputs Inputs/Outputs DQ8-DQ14 Data Inputs/Outputs Inputs/Outputs DQ15A–1 (or DQ15) Data Input/Output or Address Input (or Data Input/Output) Inputs/Outputs E Chip Enable Input G Output Enable Input W Write Enable Input RP Reset/Block Temporary Unprotect Input RB Ready/Busy Output BYTE Byte/Word Organization Select Input VCC Supply Voltage Supply voltage VPP/WP Supply Voltage for Fast Program (optional) or Write Protect Supply voltage VSS Ground - NC Not Connected Internally - 1. VPP/WP may be left floating since it is internally connected to an pull-up resistor to enable Program/Erase operations, Table 3. Protection granularity on the M29W640GH and M29W640GL Block Kbytes/Kwords Protection Block Group (x8) (x16) 0 to 3 4 x 64/32 Block level 000000h–03FFFFh(1) 000000h–01FFFFh(1) 4 to 7 4 x 64/32 Protection Group 040000h–07FFFFh 020000h–03FFFFh -- -- -- -- -- 120 to 123 4 x 64/32 Protection Group 780000h–7BFFFFh 3C0000h–3DFFFFh 124 to 127 4x 64/32 Block level 7C0000h–7FFFFFh 3E0000h–3FFFFFh 1. Used as the Extended Block Addresses in Extended Block mode. Table 4. Protection granularity on the M29W640GT Block Kbytes/Kwords Protection Block Group (x8) (x16) 0 to 3 4 x 64/32 Protection Group 000000h–03FFFFh(1) 000000h–01FFFFh(1) 4 to 7 4 x 64/32 Protection Group 040000h–07FFFFh 020000h–03FFFFh -- -- -- -- -- 120 to 123 4 x 64/32 Protection Group 780000h–7BFFFFh 3C0000h–3DFFFFh 124 to 126 3 x 64/32 Protection Group 7C0000h–7EFFFFh 3E0000h–3F7FFFh 127 to 134 8x 8/4(2) Block level 7F0000h–7FFFFFh 3F8000h–3FFFFFh 1. Used as the Extended Block Addresses in Extended Block mode. 2. Boot blocks. |
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