CY7C1231H-133AXC Cypress Semiconductor Corp, CY7C1231H-133AXC Datasheet - Page 9

• Manufacturer Part Number: CY7C1231H-133AXC
• Description: IC SRAM 2MBIT 133MHZ 100LQFP
• Manufacturer: Cypress Semiconductor Corp

Specifications of CY7C1231H-133AXC

• Format - Memory: RAM
• Memory Type: SRAM - Synchronous
• Memory Size: 2M (128K x 18)
• Speed: 133MHz
• Interface: Parallel
• Voltage - Supply: 3.135 V ~ 3.6 V
• Operating Temperature: 0°C ~ 70°C
• Package / Case: 100-LQFP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Document #: 001-00207 Rev. *B
Switching Waveforms
Read/Write Waveforms
Notes:
18. For this waveform ZZ is tied LOW.
19. When CE is LOW, CE
20. Order of the Burst sequence is determined by the status of the MODE (0 = Linear, 1 = Interleaved). Burst operations are optional.
COMMAND
ADDRESS
ADV/LD
BW
CEN
CLK
[A:B]
WE
DQ
OE
CE
t CENS
t CES
t AS
WRITE
D(A1)
1
A1
1
is LOW, CE
t CENH
t CEH
t AH
[18, 19, 20]
t DS
WRITE
D(A1)
D(A2)
2
A2
is HIGH and CE
2
t CH
t DH
t CYC
t CL
D(A2+1)
BURST
WRITE
D(A2)
3
3
is LOW. When CE is HIGH, CE
DON’T CARE
D(A2+1)
Q(A3)
READ
A3
4
t CDV
t CLZ
Q(A4)
READ
Q(A3)
A4
5
t DOH
t OEHZ
1
UNDEFINED
is HIGH or CE
Q(A4+1)
BURST
Q(A4)
READ
6
t OEV
t OELZ
2
is LOW or CE
Q(A4+1)
WRITE
D(A5)
A5
7
t CHZ
t DOH
3
Q(A6)
READ
is HIGH.
A6
D(A5)
8
WRITE
CY7C1231H
D(A7)
Q(A6)
A7
9
Page 9 of 12
DESELECT
D(A7)
10