CY7C1339G-133AXI Cypress Semiconductor Corp, CY7C1339G-133AXI Datasheet - Page 14

• Manufacturer Part Number: CY7C1339G-133AXI
• Description: SRAM (Static RAM)
• Manufacturer: Cypress Semiconductor Corp

Specifications of CY7C1339G-133AXI

• 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 ~ 85°C
• Package / Case: 100-LQFP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Switching Waveforms
Read/Write Cycle Timing
Notes
Document Number: 38-05520 Rev. *I
22. On this diagram, when CE is LOW, CE
23. The data bus (Q) remains in high Z following a WRITE cycle, unless a new read access is initiated by ADSP or ADSC.
24. GW is HIGH.
Data Out (Q)
Data In (D)
ADDRESS
BW[A:D]
ADSP
ADSC
BWE,
ADV
CLK
OE
CE
A1
High-Z
High-Z
t ADS
t CES
t AS
A2
t ADH
t CEH
t CH
t AH
Back-to-Back READs
t CYC
t CLZ
Q(A1)
t CL
[22, 23, 24]
t CO
(continued)
1
is LOW, CE
Q(A2)
t OEHZ
2
is HIGH and CE
t WES
t DS
D(A3)
Single WRITE
A3
t DH
t WEH
DON’T CARE
A4
3
is LOW. When CE is HIGH, CE
t OELZ
UNDEFINED
Q(A4)
BURST READ
Q(A4+1)
1
is HIGH or CE
Q(A4+2)
2
is LOW or CE
Q(A4+3)
3
is HIGH.
D(A5)
A5
CY7C1339G
Back-to-Back
WRITEs
Page 14 of 21
D(A6)
A6
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