CY7C007A-20AC Cypress Semiconductor Corp, CY7C007A-20AC Datasheet - Page 13

• Manufacturer Part Number: CY7C007A-20AC
• Description: IC SRAM 256KBIT 20NS 80LQFP
• Manufacturer: Cypress Semiconductor Corp

Specifications of CY7C007A-20AC

• Format - Memory: RAM
• Memory Type: SRAM - Dual Port, Asynchronous
• Memory Size: 256K (32K x 8)
• Speed: 20ns
• Interface: Parallel
• Voltage - Supply: 4.5 V ~ 5.5 V
• Operating Temperature: 0°C ~ 70°C
• Package / Case: 80-LQFP
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Other names: 428-1144

Document #: 38-06045 Rev. *D
Switching Waveforms
Timing Diagram of Read with BUSY (M/S=HIGH)
Write Timing with Busy Input (M/S=LOW)
Note:
39. CE
ADDRESS
ADDRESS
DATA
DATA IN
L
BUSY
= CE
R/W
OUTL
BUSY
R/W
R
R
R
L
R
L
= LOW.
(continued)
t
PS
t
WB
t
BLA
[39]
MATCH
MATCH
t
WC
t
PWE
t
PWE
t
WH
t
VALID
SD
t
WDD
t
DDD
CY7C006A/CY7C007A
CY7C016A/CY7C017A
t
HD
t
BHA
t
BDD
Page 13 of 20
VALID