A25L20P/A25L10P/A25L05P Series
Block Diagram
HOLD
High Voltage
Generator
W
Control Logic
S
C
DIO
DO
I/O Shift Register
Address register
and Counter
256 Byte
Data Buffer
Status
Register
3FFFh (2M),
1FFFh (1M),
FFFh (512K)
Size of the
read-only
memory area
00000h
000FFh
256 Byte (Page Size)
X Decoder
Pin Descriptions
Pin No.
Logic Symbol
Description
VCC
C
Serial Clock
Serial Data Input 1
DIO
DO
DIO
C
DO
Serial Data Output 2
A25L20P/
A25L10P/
A25L05P
Chip Select
S
S
W
Write Protect
Hold
W
HOLD
HOLD
VCC
Supply Voltage
Ground
VSS
VSS
Notes:
1. The DIO is also used as an output pin when the Fast
Read Dual Output instruction and the Fast Read Dual
Input-Output instruction are executed.
2. The DO is also used as an input pin when the Fast
Read Dual Input-Output instruction is executed.
(August, 2007, Version 1.0)
2
AMIC Technology Corp.
AMICC [ AMIC TECHNOLOGY ]
