HM62256BLFP-4SLT 查看數據表（PDF） - Hitachi -> Renesas Electronics

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HM62256BLFP-4SLT

32,768-word × 8-bit High Speed CMOS Static RAM

Hitachi -> Renesas Electronics 

HM62256B Series

Write Timing Waveform (2) (OE Low Fixed) (OE = VIL)

Address

CS

WE

Dout

Din

t WC

Valid address

t CW

t WR

*1

t AW

tWP

tAS

tWHZ

High impedance

t OH

t OW

*2

*3

t DW tDH

*4

Valid data

Notes: 1. If CS goes low simultaneously with WE going low or after WE going low,

the outputs remain in the high impedance state.

2. Dout is the same phase of the write data of this write cycle.

3. Dout is the read data of next address.

4. If CS is low during this period, I/O pins are in the output state. Therefore, the input

signals of theopposite phase to the output must not be applied to them.

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