CY7C1041B-20VI Cypress Semiconductor Corp, CY7C1041B-20VI Datasheet - Page 7

• Manufacturer Part Number: CY7C1041B-20VI
• Description: SRAM Chip Async Single 5V 4M-Bit 256K x 16 20ns 44-Pin SOJ
• Manufacturer: Cypress Semiconductor Corp

Specifications of CY7C1041B-20VI

• Package: 44SOJ
• Timing Type: Asynchronous
• Density: 4 Mb
• Typical Operating Supply Voltage: 5 V
• Address Bus Width: 18 Bit
• Number Of I/o Lines: 16 Bit
• Number Of Ports: 1
• Number Of Words: 256K

Switching Waveforms
Write Cycle No. 2 (BLE or BHE Controlled)
Write Cycle No. 1 (CE Controlled)
BHE, BLE
Notes:
15. Data I/O is high impedance if OE or BHE and/or BLE= V
16. If CE goes HIGH simultaneously with WE going HIGH, the output remains in a high-impedance state.
DATAI/O
ADDRESS
BHE, BLE
DATAI/O
ADDRESS
WE
CE
CE
WE
(continued)
t
SA
t
SA
[15, 16]
t
AW
IH
.
t
AW
t
WC
t
WC
7
t
t
BW
t
PWE
t
SCE
SCE
t
PWE
t
BW
t
SD
t
SD
t
HD
t
HD
t
HA
t
HA
CY7C1041B
1041B-9
1041B-8