8 / 11 page

CY7C109D
CY7C1009D
Document #: 38-05468 Rev. *E
Page 8 of 11
Write Cycle No. 3 (WE Controlled, OE LOW) [12, 18]
Truth Table
CE1
CE2
OE
WE
IO0–IO7
Mode
Power
H
X
X
X
High Z
Power-down
Standby (ISB)
X
L
X
X
High Z
Power-down
Standby (ISB)
L
H
L
H
Data Out
Read
Active (ICC)
L
H
X
L
Data In
Write
Active (ICC)
L
H
H
H
High Z
Selected, Outputs Disabled
Active (ICC)
Ordering Information
Speed
(ns)
Ordering Code
Package
Diagram
Package Type
Operating
Range
10
CY7C109D-10VXI
51-85033
32-pin (400-Mil) Molded SOJ (Pb-free)
Industrial
CY7C109D-10ZXI
51-85056
32-pin TSOP Type I (Pb-free)
CY7C1009D-10VXI
51-85041
32-pin (300-Mil) Molded SOJ (Pb-free)
Please contact your local Cypress sales representative for availability of these parts.
Switching Waveforms (continued)
DATA VALID
tHD
tSD
tLZWE
tPWE
tSA
tHA
tAW
tSCE
tSCE
tWC
tHZWE
NOTE 19
CE1
ADDRESS
CE2
WE
DATA IO
[+] Feedback
[+] Feedback