CY7C199-20PC Datasheet Download

Part No.:
CY7C199-20PC
Download:
Download Datasheet
Description:
[32K x 8 Static RAM]
File Size:
319 K
Page:
13 Pages
Logo:
Manufacturer:
CYPRESS [ CYPRESS SEMICONDUCTOR ]
PCB Prototype
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CY7C199
Switching Waveforms
(continued)
Write Cycle No. 1 (WE Controlled)
[10, 15, 16]
t
WC
ADDRESS
CE
t
AW
WE
t
SA
t
PWE
t
HA
OE
t
SD
DATA I/O
t
HZOE
DATA
IN
VALID
t
HD
Write Cycle No. 2 (CE Controlled)
[10, 15, 16]
t
WC
ADDRESS
CE
t
SA
t
AW
t
HA
t
SCE
WE
t
SD
DATA I/O
DATA
IN
VALID
t
HD
Write Cycle No. 3 (WE Controlled OE LOW)
[11, 16]
t
WC
ADDRESS
CE
t
AW
WE
t
SA
t
HA
t
SD
DATA I/O
t
HZWE
Notes:
15. Data I/O is high impedance if OE = V
IH
.
16. If CE goes HIGH simultaneously with WE HIGH, the output remains in a high-impedance state.
t
HD
DATA
IN
VALID
t
LZWE
Document #: 38-05160 Rev. *A
Page 6 of 13