M29W160FT, M29W160FB, M29W320FT, M29W320FB
Bus operations
Table 3. Bus operations, BYTE = VIH(1)
Operation
E
G
W
Address inputs
A0-Amax
Bus Read
Bus Write
Output Disable
Standby
Read manufacturer
code
VIL VIL VIH Cell address
VIL VIH VIL Command address
X
VIH VIH X
VIH
X
XX
VIL
VIL
VIH
A0=VIL, A1=VIL, A9=VID,
others VIL or VIH
Read device code
A0=VIH, A1=VIL,
VIL VIL VIH A9=VID, others VIL or
VIH
1. X = VIL or VIH.
Data inputs/outputs
DQ15A–1, DQ14-DQ0
Data output
Data input
Hi-Z
Hi-Z
0020h
22C4h (M29W160FT)
22CAh (M29W320FT)
2249h (M29W160FB)
22CBh (M29W320FB)
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