CY62158ELL-45ZSXI Cypress Semiconductor Corp, CY62158ELL-45ZSXI Datasheet - Page 8

• Manufacturer Part Number: CY62158ELL-45ZSXI
• Description: IC SRAM 8MBIT 45NS 44-TSOP
• Manufacturer: Cypress Semiconductor Corp
• Type: Asynchronousr

Specifications of CY62158ELL-45ZSXI

• Memory Size: 8M (1M x 8)
• Package / Case: 44-TSOP II
• Format - Memory: RAM
• Memory Type: SRAM
• Speed: 45ns
• Interface: Parallel
• Voltage - Supply: 4.5 V ~ 5.5 V
• Operating Temperature: -40°C ~ 85°C
• Access Time: 45 ns
• Supply Voltage (max): 5.5 V
• Supply Voltage (min): 4.5 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: 5 V
• Memory Configuration: 1M X 8
• Supply Voltage Range: 4.5V To 5.5V
• Memory Case Style: TSOP
• No. Of Pins: 44
• Operating Temperature Range: -40°C To +85°C
• 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 #: 38-05684 Rev. *G
Figure 6
Figure 7
18. The internal write time of the memory is defined by the overlap of WE, CE
19. Data I/O is high impedance if OE = V
20. If CE
21. During this period, the I/Os are in output state. Do not apply input signals.
can terminate a write by going INACTIVE. The data input setup and hold timing should be referenced to the edge of the signal that terminates the write.
ADDRESS
ADDRESS
DATA I/O
DATA I/O
1
goes HIGH or CE
shows WE controlled write cycle waveforms.
shows CE
CE
CE
CE
CE
WE
WE
OE
OE
1
2
1
2
1
NOTE 21
or CE
2
goes LOW simultaneously with WE HIGH, the output remains in high impedance state.
2
controlled write cycle waveforms.
(continued)
IH
.
t
SA
t
HZOE
t
SA
Figure 6. Write Cycle No. 1
Figure 7. Write Cycle No. 2
[18, 19, 20]
t
t
AW
AW
t
1
SCE
= V
[18, 19, 20]
t
WC
t
IL
WC
, and CE
t
PWE
VALID DATA
t
t
2
PWE
SD
= V
VALID DATA
t
SCE
IH
t
SD
. All signals must be ACTIVE to initiate a write and any of these signals
t
HD
t
t
HA
HA
t
HD
CY62158E MoBL
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