CY7C109B-15ZC Cypress Semiconductor Corp, CY7C109B-15ZC Datasheet - Page 7

• Manufacturer Part Number: CY7C109B-15ZC
• Description: IC SRAM 1MBIT 15NS 32TSOP
• Manufacturer: Cypress Semiconductor Corp

Specifications of CY7C109B-15ZC

• Format - Memory: RAM
• Memory Type: SRAM - Asynchronous
• Memory Size: 1M (128K x 8)
• Speed: 15ns
• Interface: Parallel
• Voltage - Supply: 4.5 V ~ 5.5 V
• Operating Temperature: 0°C ~ 70°C
• Package / Case: 32-TSOP I
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Other names: 428-1034

Switching Waveforms
Write Cycle No. 1 (CE
Write Cycle No. 2 (WE Controlled, OE HIGH During Write)
Notes:
Document #: 38-05038 Rev. **
13. Data I/O is high impedance if OE = V
14. If CE
15. During this period the I/Os are in the output state and input signals should not be applied.
ADDRESS
ADDRESS
DATA I/O
DATA I/O
CE
CE
1
CE
CE
WE
WE
OE
goes HIGH or CE
1
2
1
2
NOTE 15
2
goes LOW simultaneously with WE going HIGH, the output remains in a high-impedance state.
1
or CE
(continued)
2
Controlled)
IH
t
.
SA
t
HZOE
t
SA
[13, 14]
t
t
AW
AW
t
SCE
t
SCE
t
WC
[13, 14]
t
WC
t
PWE
DATA
t
t
PWE
SD
DATA VALID
t
SCE
t
t
SD
SCE
IN
VALID
t
HD
t
t
HA
HA
t
HD
CY7C1009B
CY7C109B
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109B–10
109B–9