CY7C185-20PXC Cypress Semiconductor Corp, CY7C185-20PXC Datasheet - Page 5

• Manufacturer Part Number: CY7C185-20PXC
• Description: IC SRAM 64KBIT 20NS 28DIP
• Manufacturer: Cypress Semiconductor Corp
• Type: Asynchronousr

Specifications of CY7C185-20PXC

• Memory Size: 64K (8K x 8)
• Package / Case: 28-DIP (0.300", 7.62mm)
• Format - Memory: RAM
• Memory Type: SRAM - Asynchronous
• Speed: 20ns
• Interface: Parallel
• Voltage - Supply: 4.5 V ~ 5.5 V
• Operating Temperature: 0°C ~ 70°C
• Access Time: 20 ns
• Supply Voltage (max): 5.5 V
• Supply Voltage (min): 4.5 V
• Maximum Operating Current: 110 mA
• Maximum Operating Temperature: + 70 C
• Minimum Operating Temperature: 0 C
• Mounting Style: Through Hole
• Number Of Ports: 1
• Operating Supply Voltage: 5 V
• Memory Configuration: 8K X 8
• Supply Voltage Range: 4.5V To 5.5V
• Memory Case Style: DIP
• No. Of Pins: 28
• Operating Temperature Range: 0°C To +70°C
• Rohs Compliant: Yes
• Density: 64Kb
• Access Time (max): 20ns
• Sync/async: Asynchronous
• Architecture: Not Required
• Clock Freq (max): Not RequiredMHz
• Operating Supply Voltage (typ): 5V
• Address Bus: 13b
• Package Type: PDIP
• Operating Temp Range: 0C to 70C
• Supply Current: 110mA
• Operating Supply Voltage (min): 4.5V
• Operating Supply Voltage (max): 5.5V
• Operating Temperature Classification: Commercial
• Mounting: Through Hole
• Pin Count: 28
• Word Size: 8b
• Number Of Words: 8K
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant, Lead free / RoHS Compliant
• Other names: 428-2157-5; CY7C185-20PXC

Switching Waveforms
Document #: 38-05043 Rev. *D
Notes
12. During this period, the IOs are in the output state and input signals must not be applied.
13. The minimum write cycle time for write cycle #3 (WE controlled, OE LOW) is the sum of t
ADDRESS
ADDRESS
DATA IO
DATA IO
CE
CE
CE
CE
WE
WE
OE
CE
1
2
1
2
NOTE 12
(continued)
t
SA
t
HZOE
Figure 5. Write Cycle No. 2 (CE Controlled)
Figure 4. Write Cycle No. 1 (WE Controlled)
t
SA
t
AW
t
AW
t
SCE2
t
SCEI
t
t
WC
WC
DATA
t
PWE
t
DATA
SD
IN
t
t
SCE1
SCE2
VALID
t
HZWE
SD
IN
VALID
and t
SD
[11,12,13]
.
[9,11]
t
HD
t
HA
t
HD
t
HA
CY7C185
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