ZPSD302B-90JI View Datasheet(PDF) - STMicroelectronics
Part Name
Description
Manufacturer
ZPSD302B-90JI Datasheet PDF : 85 Pages
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PSD3XX Family
Figure 35. Timing of 16-Bit Non-Multiplexed Address/Data Bus Using R/W, E or R/W, DS
(PSD3X2/3X3)
CSI/A19
as CSI
READ CYCLE
32
7
WRITE CYCLE
32
15
Direct (1)
PAD Input
A0/AD0-
A15/AD15
as A0-A15
STABLE INPUT
6
STABLE INPUT
32
STABLE INPUT
14
STABLE INPUT
32
Multiplexed (2)
Inputs
t(s) BHE/PSEN
as BHE
roduc PA0-PA7
(Low Byte)
lete P PB0-PB7
o (High Byte)
bs 2
- O Active High
AS
1
t(s) Active Low
c AS
Produ RD/E/DS as E
lete RD/E/DS as DS
ObsoWR/VPP or
14
6
3
DATA VALID
9
DATA VALID
10
2
3
DATA
IN
DATA
IN
16 17
4
35
8
33
5
12
1
13
34
35
36
33
13
34
12
R/W as R/W
See referenced notes on page 64.
59
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