CY7C138-25JXI Cypress Semiconductor Corp, CY7C138-25JXI Datasheet - Page 13

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

Specifications of CY7C138-25JXI

• 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: -40°C ~ 85°C
• Access Time: 25 ns
• Maximum Clock Frequency: 1 MHz
• Supply Voltage (max): 5.5 V
• Supply Voltage (min): 4.5 V
• Maximum Operating Current: 180 mA
• Organization: 4 K x 8
• Maximum Operating Temperature: + 85 C
• Minimum Operating Temperature: - 40 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

Switching Waveforms
Notes
Document #: 38-06037 Rev. *G
34. t
35. t
Left Side Sets INT
Right Side Clears INT
Right Side Sets INT
Left Side Clears INT
HA
INS
Address
Address
Address
Address
depends on which enable pin (CE
or t
INR
R/W
R/W
R/W
R/W
INT
INT
OE
CE
INT
CE
OE
CE
INT
CE
depends on which enable pin (CE
R
R
L
L
L
L
R
R
R
R
R
R
R
R
L
L
L
L
R
:
L
L
:
:
R
:
(continued)
L
or R/W
t
INS
t
INS
[35]
L
[35]
L
or R/W
) is deasserted first.
Write FFE
Write FFF
L
Figure 14. Interrupt Timing Diagrams
t
) is asserted last.
INR
t
WC
[35]
t
WC
t
INR
t
t
[35]
HA
HA
[34]
[34]
Read FFE
Read FFF
t
t
RC
RC
CY7C138
Page 13 of 21
[+] Feedback