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MCM69D618 数据表(PDF) 4 Page - Motorola, Inc |
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MCM69D618 数据表(HTML) 4 Page - Motorola, Inc |
4 / 14 page MCM69D618 4 MOTOROLA FAST SRAM PIN DESCRIPTIONS Pin Locations Symbol Type Description 40, 38, 36, 34, 32, 30, 100, 98, 85, 83, 42, 44, 46, 48, 50, 81 AX0 – AX15 Input Address Port X. Never allow floating addresses for inputs AX0 – AX15. A pullup resistor is needed. 39, 37, 35, 33, 31, 29, 99, 97, 84, 82, 43, 45, 47, 49, 51, 80 AY0 – AY15 Input Address Port Y. Never allow floating addresses for inputs AY0 – AY15. A pullup resistor is needed. 52, 56, 58, 62, 64, 69, 71, 75, 77, 3, 5, 9, 11, 16, 18, 22, 24, 28 DQX0 – DQX17 I/O Data Input/Output Port X. 53, 57, 59, 63, 65, 68, 70, 74, 76, 4, 6, 10, 12, 15, 17, 21, 23, 27 DQY0 – DQY17 I/O Data Input/Output Port Y. 90 E1 Input Synchronous Chip Enable: Active low. 91 E2 Input Synchronous Chip Enable: Active high. 92 GX Input Asynchronous Output Enable Port X Input: Low — enables output buffers (DQXx pins). High — DQXx pins are high impedance. 93 GY Input Asynchronous Output Enable Port Y Input: Low — enables output buffers (DQYx pins). High — DQYx pins are high impedance. 96 K Input Clock: This signal registers the address, data in, and all control signals except G. 86 PTX Input Pass–Through Port X. 87 PTY Input Pass–Through Port Y. 88 WX Input Synchronous Write Enable Port X. 89 WY Input Synchronous Write Enable Port Y. 1, 7, 13, 19, 25, 41, 54, 60, 66, 72, 78, 95 VDD Supply + 3.3 V Power Supply. 2, 8, 14, 20, 26, 55, 61, 67, 73, 79, 94 VSS Supply Ground. |
类似零件编号 - MCM69D618 |
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类似说明 - MCM69D618 |
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