Switching Waveforms (continued)
[6, 10]
Write Cycle No. 2 (CE Controlled)
ADDRESS
CE1
tSA
tWC
tSCE1
tSCE2
CE2
WE
DATA IN
DATA I/O
tAW
tPWE
DATA UNDEFINED
tHZWE
tSD
DATA VALID
CY7C182
tHA
tHD
HIGH IMPEDANCE
C182–8
Truth Table
CE1
CE2
OE
WE
H
X
X
X
L
H
L
H
L
H
X
L
L
H
H
H
X
L
X
X
Ordering Information
Speed
(ns)
Ordering Code
25
CY7C182−25PC
CY7C182−25VC
35
CY7C182−35PC
CY7C182−35VC
45
CY7C182−45PC
CY7C182−45VC
Data In
Z
Z
Valid
Z
Z
Data Out
Z
Valid
Z
Z
Z
Mode
Deselect/Power-Down
Read
Write
Output Disable
Deselect
Package
Name
P21
V21
P21
V21
P21
V21
Package Type
28-Lead (300-Mil) Molded DIP
28-Lead Molded SOJ
28-Lead (300-Mil) Molded DIP
28-Lead Molded SOJ
28-Lead (300-Mil) Molded DIP
28-Lead Molded SOJ
Operating
Range
Commercial
Commercial
Commercial
Document #: 38-05031 Rev. **
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