A278308 Datasheet, PDF (3/14 Pages) AMIC Technology – 256K X 8 OTP CMOS EPROM

Pin Configurations
Pin Name
A0-A17
I/O7-I/O0
CE
OE
PGM
VPP
VCC
GND
Function
Address Inputs
Data Inputs / Outputs
Chip Enable
Output Enable
Program Strobe
Program Power Supply
Power Supply
Ground
A278308
Operating Modes and Truth Table
Mode
CE
Read
VIL
Output Disable
VIL
Standby
VIH
Program
VIL
Program Verify
VIL
Program Inhibit
VIH
Manufacturer Code⁽³⁾
VIL
Device Code⁽³⁾
VIL
Continuation Code⁽³⁾
VIL
OE
PGM
A0
A1
A9
VPP
VCC
I/O7-I/O0
VIL
X
X
X
X
VCC
VCC Data Out
VIH
X
X
X
X
VCC
VCC
Hi-Z
X
X
X
X
X
VCC
VCC
Hi-Z
VIH
VIL Pulse
X
X
X
12.75V 6.25V Data In
VIL
VIH
X
X
X
12.75V
VCC Data Out
X
X
X
X
X
12.75V 6.25V
Hi-Z
VIL
VIH
VIL
VIL
VID
VCC
VCC
37H
VIL
VIH
VIH
VIL
VID
VCC
VCC
61H
VIL
VIH
VIL
VIH
VID
VCC
VCC
7FH
Notes:
1. X = Either VIH or VIL.
2. VID = 12V ± 0.5V.
3. A2 ~ A8 = A10 ~ A17 = VIL (For auto identification)
PRELIMINARY (December, 1998, Version 2.0)
2
AMIC Technology, Inc.