CAT24C21RE-TE13 datasheet, PDF

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CAT24C21RE-TE13: DescriptionEEPROM, 128X8, Serial, CMOS, PDSO8, MSOP-8; Categorystorage storage; File Size65KB，12 Pages; ManufacturerCatalyst; Websitehttp://www.catalyst-semiconductor.com/

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CAT24C21RE-TE13 Overview

EEPROM, 128X8, Serial, CMOS, PDSO8, MSOP-8

CAT24C21RE-TE13 Parametric

Parameter Name	Attribute value
Is it lead-free?	Contains lead
Is it Rohs certified?	incompatible
Maker	Catalyst
Parts packaging code	MSOP
package instruction	TSSOP, TSSOP8,.19
Contacts	8
Reach Compliance Code	unknown
ECCN code	EAR99
Maximum clock frequency (fCLK)	0.4 MHz
Data retention time - minimum	100
Durability	1000000 Write/Erase Cycles
I2C control byte	1010XXXR
JESD-30 code	S-PDSO-G8
JESD-609 code	e0
length	3 mm
memory density	1024 bit
Memory IC Type	EEPROM
memory width	8
Humidity sensitivity level	1
Number of functions	1
Number of terminals	8
word count	128 words
character code	128
Operating mode	SYNCHRONOUS
Maximum operating temperature	125 °C
Minimum operating temperature	-40 °C
organize	128X8
Package body material	PLASTIC/EPOXY
encapsulated code	TSSOP
Encapsulate equivalent code	TSSOP8,.19
Package shape	SQUARE
Package form	SMALL OUTLINE, THIN PROFILE, SHRINK PITCH
Parallel/Serial	SERIAL
Peak Reflow Temperature (Celsius)	240
power supply	3/5 V
Certification status	Not Qualified
Maximum seat height	1.1 mm
Serial bus type	I2C
Maximum standby current	0.00001 A
Maximum slew rate	0.002 mA
Maximum supply voltage (Vsup)	5.5 V
Minimum supply voltage (Vsup)	2.5 V
Nominal supply voltage (Vsup)	3 V
surface mount	YES
technology	CMOS
Temperature level	AUTOMOTIVE
Terminal surface	Tin/Lead (Sn/Pb)
Terminal form	GULL WING
Terminal pitch	0.65 mm
Terminal location	DUAL
Maximum time at peak reflow temperature	30
width	3 mm
Maximum write cycle time (tWC)	5 ms

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CAT24C21

1-kb Dual Mode Serial EEPROM for VESA™ "Plug-and-Play"

FEATURES

DDC1

/DDC2

interface compliant for

Low power CMOS technology

1,000,000 program/erase cycles

100 year data retention

GEN

ALO

monitor identification

400 kHz I C bus compatible*

2.5 to 5.5 volt operation

16-byte page write buffer

Hardware write protect

8-pin DIP, SOIC, TSSOP, MSOP or TDFN

packages

Industrial temperature range

DESCRIPTION

The CAT24C21 is a 1-kb Serial CMOS EEPROM

internally organized as 128 words of 8 bits each. The

device complies with the Video Electronics Standard

Association's (VESA™), Display Data Channel (DDC™)

standards for "Plug-and-Play" monitors. The "transmit-

only" mode (DDC1™) is controlled by the VCLK clock

input and the "bi-directional" mode (DDC2™) is controlled

by the SCL clock input, with both modes sharing a

common SDA input/output (I/O). The transmit-only mode

is a read-only mode, while the bi-directional mode is a

read and write mode following the I

C protocol. In write

mode the CAT24C21 features a 16-byte page write

buffer. The device is available in 8-in DIP, SOIC, TSSOP,

MSOP and TDFN packages.

PIN CONFIGURATION

DIP Package (P, L)

VSS

VCC

VCLK

SCL

SDA

FUNCTIONAL SYMBOL

SOIC Package (J, W)

VSS

VCC

VCLK

SCL

SDA

SCL

VCC

CAT24C21

SDA

MSOP Package (R, Z)

VSS

VCC

VCLK

SCL

SDA

TDFN Package (RD4, ZD4)

VCLK

VSS

VCC

VCLK

SCL

SDA

VSS

3 mm x 3 mm

Top View

PIN FUNCTIONS

Pin Name

SDA

SCL

VCLK

Function

No Connect

Serial Data/Address

Serial Clock (bi-directional mode)

Serial Clock (transmit-only mode)

Power Supply

Ground

TSSOP Package (U, Y)

VSS

VCC

VCLK

SCL

SDA

* Catalyst Semiconductor is licensed by Philips Corporation to carry the I

C Bus

Protocol.

Characteristics subject to change without notice

Doc. No. 1032, Rev. N

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