A27020 Series
Pin Configurations
Pin Name
A0-A17
Function
Address Inputs
I/O7-I/O0
Data Inputs / Outputs
Chip Enable
CE
OE
Output Enable
Program Strobe
PGM
VPP
VCC
GND
Program Power Supply
Power Supply
Ground
Operating Modes and Truth Table
Mode
A0
A1
A9
VPP
VCC
I/O7-I/O0
CE
VIL
VIL
VIH
VIL
VIL
VIH
VIL
VIL
VIL
OE
PGM
Read
VIL
VIH
X
X
X
X
X
X
X
X
VCC
VCC
VCC
VCC
VCC
6.25V
6.25V
6.25V
VCC
VCC
VCC
Data Out
Hi-Z
Output Disable
Standby
X
X
X
X
X
VCC
Hi-Z
Program
VIH
VIL
X
VIL Pulse
VIH
X
X
X
12.75V
12.75V
12.75V
VCC
Data In
Data Out
Hi-Z
Program Verify
Program Inhibit
Manufacturer Code(3)
Device Code(3)
Continuation Code(3)
X
X
X
X
X
X
X
VIL
VIL
VIL
VIH
VIL
VIH
VIL
VIL
VIL
VIH
VID
VID
VID
37H
VIH
VCC
64H
VIH
VCC
7FH
Notes:
1. X = Either VIH or VIL.
2. VID = 12V ± 0.5V.
3. A2 ~ A8 = A10 ~ A17 = VIL (For auto identification)
PRELIMINARY
(August, 2002, Version 0.0)
2
AMIC Technology, Inc.
AMICC [ AMIC TECHNOLOGY ]
