cym1720 Cypress Semiconductor Corporation., cym1720 Datasheet - Page 5

• Manufacturer Part Number: cym1720
• Description: 32k X 24 Static Ram Module
• Manufacturer: Cypress Semiconductor Corporation.

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