CY7C1339G-133AXET Cypress Semiconductor Corp, CY7C1339G-133AXET Datasheet - Page 7

• Manufacturer Part Number: CY7C1339G-133AXET
• Description: IC SRAM 4MBIT 133MHZ 100LQFP
• Manufacturer: Cypress Semiconductor Corp

Specifications of CY7C1339G-133AXET

• Format - Memory: RAM
• Memory Type: SRAM - Synchronous
• Memory Size: 4M (128K x 32)
• Speed: 133MHz
• Interface: Parallel
• Voltage - Supply: 3.15 V ~ 3.6 V
• Operating Temperature: -40°C ~ 125°C
• Package / Case: 100-LQFP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Document #: 38-05520 Rev. *F
Partial Truth Table for Read/Write
Read
Read
Write Byte A – DQ
Write Byte B – DQ
Write Bytes B, A
Write Byte C– DQ
Write Bytes C, A
Write Bytes C, B
Write Bytes C, B, A
Write Byte D– DQ
Write Bytes D, A
Write Bytes D, B
Write Bytes D, B, A
Write Bytes D, C
Write Bytes D, C, A
Write Bytes D, C, B
Write All Bytes
Write All Bytes
Note:
8.Table only lists a partial listing of the byte write combinations. Any combination of BW
C
D
B
Function
A
[2, 8]
GW
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
L
BWE
H
X
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
X
is valid. Appropriate write will be done based on which byte write is active.
BW
X
H
H
H
H
H
H
H
H
X
L
L
L
L
L
L
L
L
D
BW
X
H
H
H
H
H
H
H
H
X
L
L
L
L
L
L
L
L
C
BW
CY7C1339G
X
H
H
H
H
H
H
H
H
X
L
L
L
L
L
L
L
L
B
Page 7 of 18
BW
X
H
H
H
H
H
H
H
H
X
L
L
L
L
L
L
L
L
A
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