CY62157EV30LL-45ZSXA Cypress Semiconductor Corp, CY62157EV30LL-45ZSXA Datasheet - Page 10

• Manufacturer Part Number: CY62157EV30LL-45ZSXA
• Description: IC SRAM 8MBIT 45NS 44TSOP
• Manufacturer: Cypress Semiconductor Corp
• Type: Asynchronousr

Specifications of CY62157EV30LL-45ZSXA

• Memory Size: 8M (512K x 16)
• Package / Case: 44-TSOP II
• Format - Memory: RAM
• Memory Type: SRAM
• Speed: 45ns
• Interface: Parallel
• Voltage - Supply: 2.2 V ~ 3.6 V
• Operating Temperature: -40°C ~ 85°C
• Access Time: 45 ns
• Supply Voltage (max): 3.6 V
• Supply Voltage (min): 2.2 V
• Maximum Operating Current: 25 mA
• Maximum Operating Temperature: + 85 C
• Minimum Operating Temperature: - 40 C
• Mounting Style: SMD/SMT
• Number Of Ports: 1
• Operating Supply Voltage: 2.5 V, 3.3 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 #: 38-05445 Rev. *H
Figure 10
Figure 11
27. If CE
28. During this period, the I/Os are in output state. Do not apply input signals.
ADDRESS
ADDRESS
BHE/BLE
BHE/BLE
DATA I/O
DATA I/O
1
goes HIGH and CE
CE
CE
CE
CE
WE
WE
shows BHE/BLE Controlled, OE LOW write cycle waveforms.
shows WE Controlled, OE LOW write cycle waveforms.
1
2
1
2
NOTE 28
NOTE 28
2
goes LOW simultaneously with WE = V
t
SA
(continued)
t
SA
t
HZWE
Figure 10. Write Cycle No. 3
Figure 11. Write Cycle No. 4
t
AW
t
AW
IH
t
, the output remains in a high impedance state.
SCE
t
t
BW
SCE
t
PWE
t
t
WC
WC
t
PWE
t
BW
[27]
[27]
VALID DATA
VALID DATA
t
t
SD
SD
t
HA
CY62157EV30 MoBL
t
t
HA
LZWE
t
t
HD
HD
Page 10 of 17
®
[+] Feedback