A25L20P 查看數據表（PDF） - AMIC Technology

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产品描述 (功能)

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A25L20P

2Mbit / 1Mbit / 512Kbit, Low Voltage, Serial Flash Memory With 85MHz SPI Bus Interface

AMIC Technology 

Block Diagram

HOLD

W

S

C

DIO

DO

Control Logic

Address register

and Counter

A25L20P/A25L10P/A25L05P Series

High Voltage

Generator

I/O Shift Register

256 Byte

Data Buffer

3FFFh (2M),

1FFFh (1M),

FFFh (512K)

Status

Register

Size of the

read-only

memory area

00000h

000FFh

256 Byte (Page Size)

X Decoder

Pin Descriptions

Pin No.

Description

C

Serial Clock

DIO

Serial Data Input 1

DO

Serial Data Output 2

S

Chip Select

W

Write Protect

HOLD

Hold

VCC

Supply Voltage

VSS

Ground

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.

Logic Symbol

VCC

DIO

DO

C

A25L20P/

S

A25L10P/

W

A25L05P

HOLD

VSS

(August, 2007, Version 1.0)

2

AMIC Technology Corp.

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