CY7C1347B-133AC Cypress Semiconductor Corp, CY7C1347B-133AC Datasheet - Page 11

• Manufacturer Part Number: CY7C1347B-133AC
• Description: IC SRAM 4.5MBIT 133MHZ 100LQFP
• Manufacturer: Cypress Semiconductor Corp

Specifications of CY7C1347B-133AC

• Format - Memory: RAM
• Memory Type: SRAM - Synchronous
• Memory Size: 4.5M (128K x 36)
• Speed: 133MHz
• Interface: Parallel
• Voltage - Supply: 3.15 V ~ 3.6 V
• Operating Temperature: 0°C ~ 70°C
• Package / Case: 100-LQFP
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Other names: 428-1097

1
Switching Waveforms
Write Cycle Timing
Notes:
14. WE is the combination of BWE, BW
15. WDx stands for Write Data to Address X.
CE
Data
ADV
ADD
CE
CE
ADSC
WE
OE
CLK
ADSP
GW
In
1
2
3
t
t
t
CES
ADS
CES
t
AS
High-Z
t
CES
WD1
t
[14, 15]
ADVS
t
t
t
Single Write
ADH
CEH
t
ADS
DS
ADV Must Be Inactive for ADSP Write
t
t
t
CYC
t
CEH
CEH
t
AH
WS
1a
1a
t
t
t
t
ADVH
WH
[3:0]
DH
ADH
, and GW to define a write cycle (see Write Cycle Description table).
WD2
t
CH
= UNDEFINED
t
WS
t
CL
2a
t
WH
Burst Write
ADSP ignored with CE
2b
CE
11
1
masks ADSP
= DON’T CARE
2c
1
inactive
2d
ADSC initiated write
WD3
3a
Pipelined Write
Unselected with CE
High-Z
CY7C1347B
Unselected
2