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PDF CAT24C05 Data sheet ( Hoja de datos )

Número de pieza CAT24C05
Descripción (CAT24C03 / CAT24C05) 2-Kb and 4-Kb I2C Serial EEPROM
Fabricantes Catalyst Semiconductor　
Logotipo Catalyst Semiconductor Logotipo



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No Preview Available ! CAT24C05 Hoja de datos, Descripción, Manual

CAT24C03/05
2-Kb and 4-Kb I2C Serial EEPROM with Partial Array Write Protection
FEATURES
■ Supports Standard and Fast I2C Protocol
■ 1.8 V to 5.5 V Supply Voltage Range
■ 16-Byte Page Write Buffer
■ Hardware Write Protection for upper half of
memory
■ Schmitt Triggers and Noise Suppression Filters
on I2C Bus Inputs (SCL and SDA).
■ Low power CMOS technology
■ 1,000,000 program/erase cycles
■ 100 year data retention
■ Industrial temperature range
■ RoHS-compliant 8-lead PDIP, SOIC, and TSSOP,
8-pad TDFN and 5-lead TSOT-23 packages.
For Ordering Information details, see page 17.
DEVICE DESCRIPTION
The CAT24C03/CAT24C05 is a 2-kb/4-kb CMOS Serial
EEPROM device organized internally as 16/32 pages
of 16 bytes each, for a total of 256x8/512x8 bits. These
devices support both Standard (100kHz) as well as Fast
(400kHz) I2C protocol.
Data is written by providing a starting address, then
loading 1 to 16 contiguous bytes into a Page Write
Buffer, and then writing all data to non-volatile memory
in one internal write cycle. Data is read by providing a
starting address and then shifting out data serially while
automatically incrementing the internal address count.
Write operations can be inhibited for upper half of memory
by taking the WP pin High.
External address pins make it possible to address
up to eight CAT24C03 or four CAT24C05 devices on the
same bus.
PIN CONFIGURATION
www.DataSheet4U.com
FUNCTIONAL SYMBOL
PDIP (L)
SOIC (W)
TSSOP (Y)
TDFN (VP2)
CAT24C05 / 03
NC / A0
A1 / A1
A2 / A2
VSS
1
2
3
4
8 VCC
7 WP
6 SCL
5 SDA
TSOT-23 (TD)
SCL 1
VSS 2
SDA 3
5 WP
4 VCC
For the location of Pin 1, please consult the corresponding package drawing.
PIN FUNCTIONS
A0, A1, A2
SDA
SCL
WP
VCC
VSS
NC
Device Address Inputs
Serial Data Input/Output
Serial Clock Input
Write Protect Input
Power Supply
Ground
No Connect
SCL
A2, A1, A0
WP
VCC
CAT24C03
CAT24C05
VSS
SDA
* Catalyst carries the I2C protocol under a license from the Philips Corporation.
© 2006 by Catalyst Semiconductor, Inc.
Characteristics subject to change without notice
1
Doc. No. 1116, Rev. B

1 page




CAT24C05 pdf
Figure 1. START/STOP Conditions
SCL
SDA
START
CONDITION
STOP
CONDITION
Figure 2. Slave Address Bits
1 0 1 0 A2 A1 A0 R/W CAT24C03
1 0 1 0 A2 A1 a8 R/W CAT24C05
CAT24C03/05
Figure 3. Acknowledge Timing
SCL FROM
MASTER
BUS RELEASE DELAY (TRANSMITTER)
18
DATA OUTPUT
FROM TRANSMITTER
DATA OUTPUT
FROM RECEIVER
START
ACK DELAY (≤ tAA)
BUS RELEASE DELAY (RECEIVER)
9
ACK SETUP (≥ tSU:DAT)
Figure 4. Bus Timing
tF
SCL
tSU:STA
SDA IN
SDA OUT
tLOW
tHIGH
tLOW
tR
tHD:DAT
tHD:STA
tSU:DAT
tAA tDH
tSU:STO
tBUF
© 2006 by Catalyst Semiconductor, Inc.
Characteristics subject to change without notice
5
Doc No. 1116, Rev. B

5 Page





CAT24C05 arduino
8-LEAD 150 MIL WIDE SOIC (W)
CAT24C03/05
E1
E
D
A
e
b
A1
SYMBOL
A1
A
b
C
D
E
E1
e
h
L
θ1
MIN
0.10
1.35
0.33
0.19
4.80
5.80
3.80
0.25
0.40
0°
NOM
1.27 BSC
MAX
0.25
1.75
0.51
0.25
5.00
6.20
4.00
0.50
1.27
8°
h x 45
θ1
L
C
24C16_8-LEAD_SOIC.eps
For current Tape and Reel information, download the PDF file from:
http://www.catsemi.com/documents/tapeandreel.pdf.
Notes:
1. All dimensions are in millimeters.
2. Complies with JEDEC specification MS-012 dimensions.
© 2006 by Catalyst Semiconductor, Inc.
Characteristics subject to change without notice
11
Doc No. 1116, Rev. B

11 Page







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