CY62256VNLL-70SNXI Cypress Semiconductor Corp, CY62256VNLL-70SNXI Datasheet - Page 8

• Manufacturer Part Number: CY62256VNLL-70SNXI
• Description: IC SRAM 256KBIT 70NS 28SOIC
• Manufacturer: Cypress Semiconductor Corp
• Type: Asynchronousr

Specifications of CY62256VNLL-70SNXI

• Memory Size: 256K (32K x 8)
• Package / Case: 28-SOIC (7.5mm Width)
• Format - Memory: RAM
• Memory Type: SRAM
• Speed: 70ns
• Interface: Parallel
• Voltage - Supply: 2.7 V ~ 3.6 V
• Operating Temperature: -40°C ~ 85°C
• Access Time: 70 ns
• Supply Voltage (max): 3.6 V
• Supply Voltage (min): 2.7 V
• Maximum Operating Current: 30 mA
• Maximum Operating Temperature: + 85 C
• Minimum Operating Temperature: - 40 C
• Mounting Style: SMD/SMT
• Number Of Ports: 1
• Operating Supply Voltage: 3 V
• Memory Configuration: 32K X 8
• Supply Voltage Range: 2.7V To 3.6V
• Memory Case Style: NSOIC
• No. Of Pins: 28
• Operating Temperature Range: -40°C To +85°C
• Rohs Compliant: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant, Lead free / RoHS Compliant
• Other names: 428-2001-5

Switching Waveforms
Notes
Document Number: 001-06512 Rev. *D
21. The internal write time of the memory is defined by the overlap of CE LOW and WE LOW. Both signals must be LOW to initiate a write and either signal can
22. Data I/O is high impedance if OE = V
23. If CE goes HIGH simultaneously with WE HIGH, the output remains in a high impedance state.
24. The minimum write cycle time for write cycle #3 (WE controlled, OE LOW) is the sum of t
25. During this period, the I/Os are in output state and input signals should not be applied.
ADDRESS
ADDRESS
terminate a write by going HIGH. The data input set-up and hold timing should be referenced to the rising edge of the signal that terminates the write.
DATA I/O
DATA I/O
CE
WE
CE
WE
t
SA
NOTE 25
(continued)
Figure 7. Write Cycle No. 3 (WE Controlled, OE LOW)
IH
.
Figure 6. Write Cycle No. 2 (CE Controlled)
t
HZWE
t
SA
t
t
AW
AW
t
WC
t
WC
DATA
DATA
t
HZWE
SCE
t
SD
t
SD
IN
and t
IN
VALID
VALID
SD
[21, 22, 23]
.
[23, 24]
t
HD
t
t
HA
t
LZWE
HA
t
HD
CY62256VN
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