CY7C131-55NXC Cypress Semiconductor Corp, CY7C131-55NXC Datasheet - Page 11

• Manufacturer Part Number: CY7C131-55NXC
• Description: IC SRAM 8KBIT 55NS 52-QFP
• Manufacturer: Cypress Semiconductor Corp
• Type: Asynchronousr

Specifications of CY7C131-55NXC

• Memory Size: 8K (1K x 8)
• Package / Case: 52-QFP
• Format - Memory: RAM
• Memory Type: SRAM - Dual Port, Asynchronous
• Speed: 55ns
• Interface: Parallel
• Voltage - Supply: 4.5 V ~ 5.5 V
• Operating Temperature: 0°C ~ 70°C
• Access Time: 55 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: SMD/SMT
• Number Of Ports: 2
• Operating Supply Voltage: 5 V
• 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: 428-2111; CY7C131-55NXC

Switching Waveforms
Notes
Document Number: 38-06002 Rev. *G
33. R/W is HIGH for read cycle.
34. Device is continuously selected, CE = V
35. Address valid prior to or coincident with CE transition LOW.
DATA OUT
DATA OUT
ADDRESS
ADDRESS
ADDRESS
I
OE
I
DOUT
CE
BUSY
CC
SB
R/W
D
INR
R
L
L
R
L
PREVIOUS DATA VALID
t
PU
t
LZCE
t
OHA
IL
t
LZOE
and OE = V
Read with BUSY, Master: CY7C130 and CY7C131
t
t
PS
ACE
IL
.
Figure 5. Read Cycle No. 1
Figure 6. Read Cycle No. 2
Figure 7. Read Cycle No. 3
t
Either Port CE/OE Access
DOE
Either Port Address Access
t
BLA
t
ADDRESS MATCH
AA
t
RC
t
RC
t
PWE
ADDRESS MATCH
DATA VALID
[33, 34]
[33, 35]
[34]
t
WDD
VALID
t
HZOE
t
DDD
DATA VALID
t
BHA
t
CY7C130, CY7C130A
CY7C131, CY7C131A
HD
t
HZCE
t
PD
t
BDD
VALID
Page 11 of 22
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