CY62128B CYPRESS [Cypress Semiconductor], CY62128B Datasheet - Page 6

• Manufacturer Part Number: CY62128B
• Description: 128K x 8 Static RAM
• Manufacturer: CYPRESS [Cypress Semiconductor]

Document #: 38-05300 Rev. *C
Switching Waveforms
Read Cycle No. 2 (OE Controlled)
Write Cycle No. 1 (CE
Notes:
14. Address valid prior to or coincident with CE
15. Data I/O is high impedance if OE = V
16. If CE
DATA OUT
ADDRESS
DATA I/O
CURRENT
ADDRESS
SUPPLY
1
CE
CE
WE
goes HIGH or CE
CE
CE
V
OE
CC
1
2
1
2
2
goes LOW simultaneously with WE going HIGH, the output remains in a high-impedance state.
1
HIGH IMPEDANCE
or CE
t
PU
(continued)
2
IH
t
LZCE
Controlled)
.
[13, 14]
1
t
t
ACE
LZOE
transition LOW and CE
t
SA
50%
t
DOE
[15, 16]
t
AW
2
transition HIGH.
t
RC
t
WC
t
PWE
DATA VALID
t
SCE
t
t
SD
SCE
DATA VALID
t
HD
t
HZOE
t
HA
t
HZCE
t
PD
50%
CY62128B
IMPEDANCE
MoBL
Page 6 of 11
HIGH
I
I
CC
SB
