ZPSD302B-90JI View Datasheet(PDF) - STMicroelectronics
Part Name
Description
Manufacturer
ZPSD302B-90JI Datasheet PDF : 85 Pages
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PSD3XX Family
Figure 33. Timing of 16-Bit Non-Multiplexed Address/Data Bus Using RD, WR (PSD3X2/3X3)
CSI/A19
as CSI
READ CYCLE
32
7
WRITE CYCLE
32
15
Direct (1)
PAD Input
STABLE INPUT
STABLE INPUT
A0/AD0-
A15/AD15
as A0-A15
6
STABLE INPUT
32
14
STABLE INPUT
32
Multiplexed (2)
Inputs
) BHE/PSEN
t(s as BHE
duc PA0-PA7
ro (Low Byte)
lete P PB0-PB7
o (High Byte)
s 2
Ob Active High
- ALE
1
t(s) Active Low
c ALE
rodu RD/E/DS as RD
te P WR/VPP or
Obsole R/W as WR
6
DATA VALID
9
DATA VALID
3
2
10
4
8
12
1
13
5
14
3
11
36
DATA
IN
17
16 DATA
IN
13
12A
See referenced notes on page 64.
57
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