cym1720 Cypress Semiconductor Corporation., cym1720 Datasheet - Page 5
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cym1720
Manufacturer Part Number
cym1720
Description
32k X 24 Static Ram Module
Manufacturer
Cypress Semiconductor Corporation.
Datasheet
1.CYM1720.pdf
(6 pages)
Truth Table
Ordering Information
Document #: 38-M-00021-A
Write Cycle No. 2 (CS Controlled)
Switching Waveforms
Note:
11. If CS goes HIGH simultaneously with WE HIGH, the output remains in a high-impedance state.
CS
Speed
H
L
L
L
ADDRESS
DATA I/O
15
20
25
30
35
DATA IN
WE
X
H
H
L
WE
CS
CYM1720PZ-15C
CYM1720PZ-20C
CYM1720PZ-25C
CYM1720PZ-30C
CYM1720PZ-35C
OE
H
X
L
X
Ordering Code
High Z
Data Out
Data In
High Z
Input/Outputs
(continued)
DATA UNDEFINED
Deselect/Power-Down
Read Word
Write Word
Deselect
[6,10,11]
Package
Name
t
PZ05
PZ05
PZ05
PZ05
PZ05
SA
Mode
56-Pin ZIP Module
56-Pin ZIP Module
56-Pin ZIP Module
56-Pin ZIP Module
56-Pin ZIP Module
t
AW
Package
Type
t
WC
5
t
HZWE
DATA VALID
t
PWE
t
t
SCS
SD
Commercial
Commercial
Commercial
Commercial
Commercial
Operating
Range
HIGH IMPEDANCE
t
HD
t
HA
CYM1720
1720–8