CY7C1339B-133AI Cypress Semiconductor Corp, CY7C1339B-133AI Datasheet - Page 11

• Manufacturer Part Number: CY7C1339B-133AI
• Manufacturer: Cypress Semiconductor Corp

Specifications of CY7C1339B-133AI

• Density: 4Mb
• Access Time (max): 4ns
• Operating Supply Voltage (typ): 3.3V
• Package Type: TQFP
• Operating Temp Range: -40C to 85C
• Supply Current: 375mA
• Operating Supply Voltage (min): 3.13V
• Operating Supply Voltage (max): 3.6V
• Operating Temperature Classification: Industrial
• Mounting: Surface Mount
• Pin Count: 100
• Word Size: 32b
• Lead Free Status / Rohs Status: Not Compliant

Document #: 38-05141 Rev. *A
Switching Waveforms
Write Cycle Timing
Notes:
14. WE is the combination of BWE, BW
15. WDx stands for Write Data to Address X.
Data In
ADD
CE
CE
ADSC
ADV
WE
CE
OE
CLK
ADSP
GW
1
3
2
t
t
t
CES
ADS
CES
t
AS
High-Z
t
CES
WD1
t
ADVS
[14, 15]
t
t
t
Single Write
ADH
CEH
t
ADS
DS
ADV Must Be Inactive for ADSP Write
t
t
CYC
t
t
CEH
t
CEH
AH
WS
1a
1a
t
t
t
ADVH
WH
t
DH
ADH
[3:0]
, and GW to define a Write cycle (see Write Cycle Descriptions table).
WD2
t
CH
= UNDEFINED
t
WS
t
CL
2a
t
WH
Burst Write
ADSP ignored with CE
2b
CE
1
masks ADSP
= DON’T CARE
2c
1
inactive
2d
ADSC initiated Write
WD3
3a
Pipelined Write
Unselected with CE
High-Z
CY7C1339B
Unselected
2
Page 11 of 17