CY7C199-10ZI Cypress Semiconductor, CY7C199-10ZI Datasheet - Page 6

• Manufacturer Part Number: CY7C199-10ZI
• Description: 32K x 8 Static RAM
• Manufacturer: Cypress Semiconductor

Document #: 38-05160 Rev. *A
Switching Waveforms
Write Cycle No. 1 (WE Controlled)
Write Cycle No. 2 (CE Controlled)
Write Cycle No. 3 (WE Controlled OE LOW)
Notes:
15. Data I/O is high impedance if OE = V
16. If CE goes HIGH simultaneously with WE HIGH, the output remains in a high-impedance state.
ADDRESS
ADDRESS
ADDRESS
DATA I/O
DATA I/O
DATA I/O
CE
WE
WE
CE
WE
OE
CE
t
SA
(continued)
IH
t
SA
.
t
HZOE
[10, 15, 16]
t
[10, 15, 16]
HZWE
t
SA
[11, 16]
t
AW
t
t
AW
AW
t
t
WC
t
WC
WC
DATA
t
t
PWE
SD
DATA
DATA
t
IN
SCE
t
t
SD
SD
VALID
IN
IN
VALID
VALID
t
HD
t
t
t
HA
LZWE
HA
t
HA
t
t
HD
HD
CY7C199
Page 6 of 13