ST24FC21M6TR STMicroelectronics, ST24FC21M6TR Datasheet

ST24FC21M6TR

Manufacturer Part Number

ST24FC21M6TR

Description

EEPROM Serial-I2C 1K-Bit 128 x 8 3.3V/5V 8-Pin SO N T/R

Manufacturer

STMicroelectronics

Datasheets

1.ST24FC21M6TR.pdf (22 pages)

2.ST24FC21M6TR.pdf (22 pages)

Specifications of ST24FC21M6TR

Package

8SO N

Interface Type

Serial-I2C

Density

1 Kb

Maximum Operating Frequency

0.1|0.4 MHz

Maximum Random Access Time

3500|900 ns

Typical Operating Supply Voltage

3.3|5 V

Organization

128x8

Data Retention

40 Year

Hardware Data Protection

Yes

Operating Temperature

-40 to 85 Â°C

Available stocks

Company

Part Number

Manufacturer

Quantity

Price

Company:

Meier Automation Equipment Co., Limited

Part Number:

ST24FC21M6TR

Manufacturer:

Quantity:

20 000

Company:

Bonase Electronics (HK) Co., Limited

Part Number:

ST24FC21M6TR(4FC216)

Manufacturer:

Quantity:

Current page: 1 of 22
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DESCRIPTION

The ST24LC21B, ST24LW21, ST24FC21,

ST24FC21B and ST24FW21 are 1K bit electrically

erasable programmable memory (EEPROM), or-

ganized in 128x8 bits. In the text, products are

referred as ST24xy21, where "x" is either "L" for

VESA 1 or "F" for VESA 2 compatible memories

and where "y" indicates the Write Control pin con-

nection: "C" means WC on pin 7 and "W" means

WC on pin 3.

Table 1. Signal Names

June 2002

SDA

SCL

VCLK

1 MILLION ERASE/WRITE CYCLES

40 YEARS DATA RETENTION

3.6V to 5.5V or 2.5V to 5.5V SINGLE SUPPLY

VOLTAGE

HARDWARE WRITE CONTROL (ST24LW21

and ST24FW21)

TTL SCHMITT-TRIGGER on VCLK INPUT

100k / 400k Hz COMPATIBILITY with the I

BUS BIT TRANSFER RANGE

TWO WIRE SERIAL INTERFACE I

COMPATIBLE

MODES

SELF TIMED PROGRAMMING CYCLE

AUTOMATIC ADDRESS INCREMENTING

ENHANCED ESD/LATCH UP

PERFORMANCES

ERROR RECOVERY MECHANISM

(ST24FC21 and ST24FW21) VESA 2

COMPATIBLE

C PAGE WRITE (up to 8 Bytes)

C BYTE, RANDOM and SEQUENTIAL READ

Serial Data Address Input/Output

Serial Clock (I

Supply Voltage

Ground

Clock Transmit only mode

Write Control

ST24FC21, ST24FC21B, ST24FW21

C mode)

C BUS

1 Kbit (x8) Dual Mode Serial EEPROM

ST24LC21B, ST24LW21

Figure 1. Logic Diagram

Note: WC signal is only available for ST24LW21 and ST24FW21

0.25mm Frame

products.

VCLK

PSDIP8 (B)

SCL

for VESA PLUG & PLAY

V CC

V SS

ST24xy21

150mil Width

SO8 (M)

AI01741

SDA

1/22

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