CY7C138-25JXC Cypress Semiconductor Corp, CY7C138-25JXC Datasheet - Page 11

• Manufacturer Part Number: CY7C138-25JXC
• Description: IC SRAM 32KBIT 25NS 68PLCC
• Manufacturer: Cypress Semiconductor Corp
• Type: Asynchronousr

Specifications of CY7C138-25JXC

• Memory Size: 32K (4K x 8)
• Package / Case: 68-PLCC
• Format - Memory: RAM
• Memory Type: SRAM - Dual Port, Asynchronous
• Speed: 25ns
• Interface: Parallel
• Voltage - Supply: 4.5 V ~ 5.5 V
• Operating Temperature: 0°C ~ 70°C
• Access Time: 25 ns
• Supply Voltage (max): 5.5 V
• Supply Voltage (min): 4.5 V
• Maximum Operating Current: 180 mA
• Maximum Operating Temperature: + 70 C
• Minimum Operating Temperature: 0 C
• Mounting Style: SMD/SMT
• Number Of Ports: 2
• Operating Supply Voltage: 5 V
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant, Lead free / RoHS Compliant
• Other names: 428-2148; CY7C138-25JXC

Switching Waveforms
Note
Document #: 38-06037 Rev. *G
32. CE
L
Address
= CE
Address
Data
BUSY
Data In
R/W
R
BUSY
= LOW.
R/W
OUTL
R
L
R
R
L
Figure 10. Timing Diagram of Read with BUSY (M/S = HIGH)
(continued)
t
PS
Figure 11. Write Timing with Busy Input (M/S=LOW)
t
WB
t
BLA
Match
Match
t
PWE
t
WC
t
PWE
t
WH
t
WDD
t
Valid
SD
t
DDD
[32]
t
HD
t
BHA
t
BDD
CY7C138
Valid
Page 11 of 21
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