CY7C187
Address Designators
Truth Table
Address
Name
Address
Pin
CE
H
WE
X
Input/Output
High Z
Mode
Function
Number
Deselect/Power-Down
A0
A1
X3
1
2
L
H
Data Out
Data In
Read
Write
X4
L
L
A2
X5
3
A3
X6
4
A4
X7
5
A5
Y7
6
A6
Y6
7
A7
Y2
8
A8
Y3
14
15
16
17
18
19
20
21
A9
Y1
A10
A11
A12
A13
A14
A15
Y0
Y4
Y5
X0
X1
X2
Ordering Information[14]
Speed
(ns)
Package
Name
Package
Type
Operating
Range
Ordering Code
15
CY7C187-15PC
CY7C187-15VC
CY7C187-20PC
CY7C187-20VC
CY7C187-25PC
CY7C187-25VC
CY7C187-35PC
CY7C187-35VC
P9
22-Lead (300-Mil) Molded DIP
24-Lead Molded SOJ
Commercial
Commercial
Commercial
Commercial
V13
P9
20
25
35
22-Lead (300-Mil) Molded DIP
24-Lead Molded SOJ
V13
P9
22-Lead (300-Mil) Molded DIP
24-Lead Molded SOJ
V13
P9
22-Lead (300-Mil) Molded DIP
24-Lead Molded SOJ
V13
Note:
14. For military variations, see the CY7C187A datasheet.
Document #: 38-05044 Rev. **
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