7 / 10 page
CY7C1021B
CY7C10211B
Document #: 38-05145 Rev. *A
Page 7 of 10
Switching Waveforms (continued)
Write Cycle No. 3 (WE Controlled, LOW)
tHD
tSD
tSCE
tHA
tAW
tPWE
tWC
tBW
DATA I/O
ADDRESS
CE
WE
BHE, BLE
tSA
tLZWE
tHZWE
Truth Table
CE
OE WE
BLE
BHE
I/O1–I/O8
I/O9–I/O16
Mode
Power
H
X
X
X
X
High Z
High Z
Power-Down
Standby (ISB)
L
L
H
L
L
Data Out
Data Out
Read - All bits
Active (ICC)
L
H
Data Out
High Z
Read - Lower bits only
Active (ICC)
H
L
High Z
Data Out
Read - Upper bits only
Active (ICC)
L
X
L
L
L
Data In
Data In
Write - All bits
Active (ICC)
L
H
Data In
High Z
Write - Lower bits only
Active (ICC)
H
L
High Z
Data In
Write - Upper bits only
Active (ICC)
L
H
H
X
X
High Z
High Z
Selected, Outputs Disabled
Active (ICC)
L
X
X
H
H
High Z
High Z
Selected, Outputs Disabled
Active (ICC)
Ordering Information
Speed
(ns)
Ordering Code
Package
Name
Package Type
Operating
Range
10
CY7C10211B-10VC
V34
44-Lead (400-Mil) Molded SOJ
Commercial
CY7C10211B-10ZC
Z44
44-Lead TSOP Type II
Commercial
CY7C10211BL-10ZC
Z44
44-Lead TSOP Type II
Commercial
12
CY7C1021B-12VC
V34
44-Lead (400-Mil) Molded SOJ
Commercial
CY7C1021B-12VI
V34
44-Lead (400-Mil) Molded SOJ
Industrial
CY7C1021BL-12VC
V34
44-Lead (400-Mil) Molded SOJ
Commercial
CY7C1021B-12ZC
Z44
44-Lead TSOP Type II
Commercial
CY7C1021B-12ZI
Z44
44-Lead TSOP Type II
Industrial
CY7C1021BL-12ZC
Z44
44-Lead TSOP Type II
Commercial
English ▼
English
Chinese
German
Japanese
Russian
Korean
Spanish
French
Italian
Portuguese
Polish
Vietnamese
Indian
Mexican
British
New Zealand
