A27020A Series
Pin Configurations
Pin Name
A0-A17
I/O
7
-I/O
0
Function
Address Inputs
Data Inputs / Outputs
Chip Enable
Output Enable
Program Strobe
Program Power Supply
Power Supply
Ground
CE
OE
PGM
VPP
VCC
GND
Operating Modes and Truth Table
Mode
Read
Output Disable
Standby
Program
Program Verify
Program Inhibit
Manufacturer Code
(3)
Device Code
(3)
Continuation Code
(3)
CE
V
IL
V
IL
V
IH
V
IL
V
IL
V
IH
V
IL
V
IL
V
IL
OE
V
IL
V
IH
X
V
IH
V
IL
X
V
IL
V
IL
V
IL
PGM
X
X
X
V
IL
Pulse
V
IH
X
V
IH
V
IH
V
IH
A0
X
X
X
X
X
X
V
IL
V
IH
V
IL
A1
X
X
X
X
X
X
V
IL
V
IL
V
IH
A9
X
X
X
X
X
X
V
ID
V
ID
V
ID
VPP
VCC
VCC
VCC
12.25V
12.25V
12.25V
VCC
VCC
VCC
VCC
VCC
VCC
VCC
5.25V
5.25V
5.25V
VCC
VCC
VCC
I/O
7
-I/O
0
Data Out
Hi-Z
Hi-Z
Data In
Data Out
Hi-Z
37H
64H
7FH
Notes:
1. X = Either V
IH
or V
IL
.
2. V
ID
= 12V
±
0.5V.
3. A2 ~ A8 = A10 ~ A17 = V
IL
(For auto identification)
PRELIMINARY
(June, 2005, Version 0.1)
2
AMIC Technology, Corp.