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IS24C16

更新时间: 2024-09-19 22:48:03
品牌 Logo 应用领域
美国芯成 - ISSI 可编程只读存储器
页数 文件大小 规格书
10页 80K
描述
16,384-BIT SERIAL ELECTRICALLY ERASABLE PROM

IS24C16 数据手册

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®
IS24C16  
16,384-BIT SERIAL ELECTRICALLY  
ERASABLE PROM  
ISSI
ADVANCE INFORMATION  
OCTOBER 1997  
OVERVIEW  
FEATURES  
The IS24C16 is a low cost, low power, low voltage  
serial EEPROM and organized as 2,048 x 8 bits. The  
memory is configured as 128 pages of 16 bytes each. It is  
fabricated using ISSI’s advanced CMOS EEPROM tech-  
nology and operates from a single supply.  
• Low power CMOS  
– Active current less than 3.0 mA  
– Standby current less than 35 µA  
• Hardware write protection  
– Write control pin  
The IS24C16 is internally organized as a 256 x 8 memory  
bank. The IS24C16 features a serial interface and soft-  
ware protocol allowing operation on a simple 2-wire bus.  
Included is a bidirectional serial data bus synchronized by  
a clock offering flexible byte write and a faster 16-byte  
pagewrite.Awriteprotectpincanprotectdataintheupper  
quadrant of memory.  
• Internally organized as eight banks  
– 256 pages x 8 bytes  
• Two-wire serial interface  
— Bidirectional data transfer protocol  
• Flexible byte write and 16-byte page-write  
modes  
• High-reliability  
– Endurance: 100,000 cycles per byte  
– Data retention: 100 years  
• Automatic word address incrementing  
— Sequential register read  
• Filtered inputs for noise suppression  
• 8-pin PDIP or SOIC packages  
PIN CONFIGURATION  
8-Pin DIP and SOIC  
PIN DESCRIPTIONS  
SerialClock(SCL)-TheSCLinputisusedtoclockalldata  
into and out of the device. In the WRITE mode, data must  
remainstablewhenSCLisHIGH. IntheREADmode, data  
is clocked out on the falling edge of SCL.  
A0  
A1  
1
2
3
4
8
7
6
5
VCC  
WC  
SerialData(SDA)-TheSDApinisabidirectionalpinused  
to transfer data into and out of the device. Data may  
change only when SCL is LOW. It is an open-drain output,  
and may be wire-ORed with any number of open-drain or  
open-collector outputs.  
A2  
SCL  
SDA  
GND  
PIN DESCRIPTIONS  
A0, A1, and A2: These pins are not connected.  
A0-A2  
SDA  
SCL  
WC  
Address Inputs (No connection)  
Serial Data I/O  
Serial Clock Input  
Write Control Input  
Power  
Write Control (WC) - The Write Control input is used to  
disable any attempt to write to the memory. When HIGH,  
the upper half of array is protected against write opera-  
tions;whenLOW,thewritefunctionisnormal.Thepartcan  
be read independent of the state of WC pin. When not  
connected this pin will be pulled LOW.  
Vcc  
GND  
Ground  
This document contains ADVANCE INFORMATION data. ISSI reserves the right to make changes to its products at any time without notice in order to improve design and supply the best possible  
product. We assume no responsibility for any errors which may appear in this publication. © Copyright 1997, Integrated Silicon Solution, Inc.  
Integrated Silicon Solution, Inc.  
ADVANCE INFORMATION EE001-0C  
1
10/03/97  

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