ZPSD302B-90JI View Datasheet(PDF) - STMicroelectronics
Part Name
Description
Manufacturer
ZPSD302B-90JI Datasheet PDF : 85 Pages
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PSD3XX Family
Figure 27. Timing of 16-Bit Multiplexed Address/Data Bus Using R/W, E or R/W, DS
(PSD3X2/3X3)
CSI/A19
as CSI
Direct (1)
PAD Input
Multiplexed (2)
Inputs
READ CYCLE
32
7
STABLE INPUT
6
6
WRITE CYCLE
32
15
32
STABLE INPUT
14
14
BHE/PSEN
as BHE
t(s) A0/AD0-
A15/AD15
duc Active High
ro AS
te P Active Low
AS
sole RD/E/DS as E
- Ob RD/E/DS as DS
ct(s) WR/VPP or
u R/W as R/W
rod Any of
PA0-PA7
P as I/O Pin
lete Any of
oPB0-PB7
sas I/O Pin
Ob Any of
ADDRESS A
2
3
1
10
DATA VALID
9
ADDRESS B
2
3
1
DATA
IN
17
16
35
4
8
5
12
33
13
35
34
33
34
36
12 13
18
19
INPUT
20
OUTPUT
INPUT
23
23
OUTPUT
PA0-PA7 Pins
ADDRESS A
ADDRESS B
as Address
Outputs
See referenced notes on page 64.
51
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