CY7C1471V33-133AXC Cypress Semiconductor Corp, CY7C1471V33-133AXC Datasheet - Page 14

• Manufacturer Part Number: CY7C1471V33-133AXC
• Description: SRAM (Static RAM)
• Manufacturer: Cypress Semiconductor Corp

Specifications of CY7C1471V33-133AXC

• Format - Memory: RAM
• Memory Type: SRAM - Synchronous
• Memory Size: 72M (2M x 36)
• Speed: 133MHz
• Interface: Parallel
• Voltage - Supply: 3.135 V ~ 3.6 V
• Operating Temperature: 0°C ~ 70°C
• Package / Case: 100-LQFP
• Density: 72Mb
• Access Time (max): 6.5ns
• Sync/async: Synchronous
• Architecture: SDR
• Clock Freq (max): 133MHz
• Operating Supply Voltage (typ): 3.3V
• Address Bus: 21b
• Package Type: TQFP
• Operating Temp Range: 0C to 70C
• Number Of Ports: 4
• Supply Current: 305mA
• Operating Supply Voltage (min): 3.135V
• Operating Supply Voltage (max): 3.6V
• Operating Temperature Classification: Commercial
• Mounting: Surface Mount
• Pin Count: 100
• Word Size: 36b
• Number Of Words: 2M
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 428-2167; CY7C1471V33-133AXC

Truth Table for Read/Write
The read-write truth table for CY7C1471V33 follows.
Truth Table for Read/Write
The read-write truth table for CY7C1473V33 follows.
Notes
Document Number: 38-05288 Rev. *L
Read
Write no bytes written
Write byte A – (DQ
Write byte B – (DQ
Write byte C – (DQ
Write byte D – (DQ
Write all bytes
Truth Table for Read/Write
The read-write truth table for CY7C1475V33 follows.
Read
Write – no bytes written
Write byte X(DQ
Write all bytes
9. X = “Don't Care.” H = Logic HIGH, L = Logic LOW. BW
10. Write is defined by BW
11. Table only lists a partial listing of the byte write combinations. Any combination of BW
Read
Write – no bytes written
Write byte a – (DQ
Write byte b – (DQ
Write both bytes
selects are asserted, see
x
B
C
D
A
a
b
and DQP
X
and DQP
and DQP
and DQP
and DQP
and DQP
and DQP
Function
, and WE. See
“Truth Table for Read/Write” on page 14
x)
Function
Function
B
D
A
C
a
b
)
)
)
)
)
)
“Truth Table for Read/Write” on page
X
= L signifies at least one byte write select is active, BW
[9, 10, 11]
[9, 10, 11]
[9, 10, 11]
for details.
WE
H
L
L
L
L
L
L
14.
X
is valid. Appropriate write is based on which byte write is active.
BW
H
H
H
H
X
L
L
A
WE
H
L
L
L
L
WE
BW
H
L
L
L
X
H
H
H
H
L
L
X
B
= valid signifies that the desired byte write
BW
X
H
H
L
L
b
BW
X
H
H
H
H
L
L
C
CY7C1471V33
CY7C1473V33
CY7C1475V33
All BW = L
BW
BW
X
H
H
X
H
L
L
L
BW
Page 14 of 36
a
x
X
H
H
H
H
L
L
D
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