CAT24C256YIGT3JN ON Semiconductor, CAT24C256YIGT3JN Datasheet

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CAT24C256YIGT3JN

Manufacturer Part Number
CAT24C256YIGT3JN
Description
EEPROM
Manufacturer
ON Semiconductor
Datasheet

Specifications of CAT24C256YIGT3JN

Memory Size
256 kbit
Organization
32768 x 8
Data Retention
100 yr
Maximum Clock Frequency
400 kHz
Maximum Operating Current
1 mA
Operating Supply Voltage
1.8 V to 5.5 V
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
Package / Case
TSSOP-8
Minimum Operating Temperature
- 40 C
Operating Current
1 mA
Supply Voltage - Max
5.5 V
Supply Voltage - Min
1.8 V
CAT24C256
256 kb I
EEPROM
Description
organized as 32,768 words of 8 bits each.
(100 kHz), Fast (400 kHz) and Fast−Plus (1 MHz) I
protects the entire memory).
CAT24C256 devices on the same bus.
for high reliability applications.*
Features
© Semiconductor Components Industries, LLC, 2012
October, 2012 − Rev. 13
A
The CAT24C256 is a 256 kb Serial CMOS EEPROM, internally
It features a 64−byte page write buffer and supports the Standard
Write operations can be inhibited by taking the WP pin High (this
External address pins make it possible to address up to eight
On−Chip ECC (Error Correction Code) makes the device suitable
* Available for New Product (Rev. E)
(SCL and SDA)
TDFN, UDFN 8−Pad Packages
Compliant
Supports Standard, Fast and Fast−Plus I
1.8 V to 5.5 V Supply Voltage Range
64−Byte Page Write Buffer
Hardware Write Protection for Entire Memory
Schmitt Triggers and Noise Suppression Filters on I
Low Power CMOS Technology
1,000,000 Program/Erase Cycles
100 Year Data Retention
Industrial and Extended Temperature Range
PDIP, SOIC, TSSOP, MSOP 8−Lead and
This Device is Pb−Free, Halogen Free/BFR Free, and RoHS
2
, A
1
SCL
, A
WP
0
Figure 1. Functional Symbol
2
CAT24C256
C CMOS Serial
V
V
CC
SS
2
SDA
C Protocol
2
C protocol.
2
C Bus Inputs
1
For the location of Pin 1, please consult the
corresponding package drawing.
** Not recommended for new designs
†The exposed pad for the TDFN/UDFN packages can
See detailed ordering and shipping information in the package
dimensions section on page 18 of this data sheet.
be left floating or connected to Ground.
Pin Name
A
0
, A
SDA
SCL
TDFN (ZD2)**, UDFN (HU4), MSOP (Z)
V
WP
V
CC
SS
PDIP (L), SOIC (W, X), TSSOP (Y),
1
, A
ORDERING INFORMATION
V
CASE 511AM
CASE 646AA
CASE 948AL
A
A
A
SS
ZD2 SUFFIX
2
PIN CONFIGURATION
0
1
2
TDFN−8**
TSSOP−8
Y SUFFIX
L SUFFIX
PDIP−8
http://onsemi.com
PIN FUNCTION
Device Address
Serial Data
Serial Clock
Write Protect
Power Supply
Ground
1
Publication Order Number:
Function
CASE 751BE
CASE 751BD
CASE 846AD
CASE 517AZ
HU4 SUFFIX
V
WP
SCL
SDA
CAT24C256/D
W SUFFIX
X SUFFIX
CC
Z SUFFIX
MSOP−8
UDFN−8
SOIC−8
SOIC−8

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CAT24C256YIGT3JN Summary of contents

Page 1

... I C CMOS Serial EEPROM Description The CAT24C256 is a 256 kb Serial CMOS EEPROM, internally organized as 32,768 words of 8 bits each. It features a 64−byte page write buffer and supports the Standard (100 kHz), Fast (400 kHz) and Fast−Plus (1 MHz) I Write operations can be inhibited by taking the WP pin High (this protects the entire memory) ...

Page 2

Table 1. ABSOLUTE MAXIMUM RATINGS Parameters Storage Temperature Voltage on any Pin with Respect to Ground (Note 1) Stresses exceeding Maximum Ratings may damage the device. Maximum Ratings are stress ratings only. Functional operation above the Recommended Operating Conditions is ...

Page 3

Table 5. D.C. OPERATING CHARACTERISTICS − New Product (Rev 1 5 −40°C to +85°C and Symbol Parameter I Read Current Read, f CCR I Write Current CCW I Standby ...

Page 4

Table 7. A.C. CHARACTERISTICS − Mature Product (Rev 2 5 −40°C to +125°C, and Symbol Parameter F Clock Frequency SCL t START Condition Hold Time HD:STA t Low Period ...

Page 5

Table 9. A.C. CHARACTERISTICS − New Product (Rev 1 5 −40°C to +85°C and Symbol Parameter F Clock Frequency SCL t START Condition Hold Time HD:STA t Low Period ...

Page 6

... SCL: The Serial Clock input pin accepts the Serial Clock signal generated by the Master. SDA: The Serial Data I/O pin receives input data and transmits data stored in EEPROM. In transmit mode, this pin is open drain. Data is acquired on the positive edge, and is delivered on the negative edge of SCL. ...

Page 7

SCL SDA START CONDITION BUS RELEASE DELAY (TRANSMITTER) SCL FROM 1 MASTER DATA OUTPUT FROM TRANSMITTER DATA OUTPUT FROM RECEIVER START LOW SCL t SU:STA t HD:STA SDA IN SDA OUT Figure 2. Start/Stop Timing 1 0 ...

Page 8

WRITE OPERATIONS Byte Write In Byte Write mode the Master sends a START, followed by Slave address, two byte address and data to be written (Figure 6). The Slave acknowledges all 4 bytes, and the Master then follows up with ...

Page 9

BUS ACTIVITY: SLAVE R MASTER ADDRESS T SDA LINE Don’t Care Bit SCL SDA 8th Bit Byte n S BUS T ACTIVITY: A SLAVE MASTER R ADDRESS A − SDA ...

Page 10

READ OPERATIONS Immediate Address Read In standby mode, the CAT24C256 internal address counter points to the data byte immediately following the last byte accessed by a previous operation. If that ‘previous’ byte was the last byte in memory, then the ...

Page 11

PIN # 1 IDENTIFICATION D TOP VIEW SIDE VIEW Notes: (1) All dimensions are in millimeters. (2) Complies with JEDEC MS-001. PACKAGE DIMENSIONS PDIP−8, 300 mils CASE 646AA−01 ISSUE A SYMBOL ...

Page 12

PIN # 1 IDENTIFICATION TOP VIEW SIDE VIEW Notes: (1) All dimensions are in millimeters. Angles in degrees. (2) Complies with JEDEC MS-012. PACKAGE DIMENSIONS SOIC 8, 150 mils CASE 751BD−01 ISSUE O SYMBOL ...

Page 13

E1 e TOP VIEW SIDE VIEW Notes: (1) All dimensions are in millimeters. Angles in degrees. (2) Complies with JEDEC MO-153. PACKAGE DIMENSIONS TSSOP8, 4.4x3 CASE 948AL−01 ISSUE O SYMBOL MIN A A1 0.05 A2 ...

Page 14

D E PIN #1 IDENTIFICATION TOP VIEW SYMBOL MIN NOM A 0.70 0.75 A1 0.00 0.02 A2 0.45 0.55 A3 0.20 REF b 0.25 0.30 D 2.90 3.00 D2 0.90 1.00 E 4.80 4.90 E2 0.90 1.00 e 0.65 TYP ...

Page 15

PIN#1 IDENTIFICATION TOP VIEW SIDE VIEW Notes: (1) All dimensions are in millimeters. Angles in degrees. (2) Complies with EIAJ EDR-7320. PACKAGE DIMENSIONS SOIC−8, 208 mils CASE 751BE−01 ISSUE O SYMBOL ...

Page 16

D E PIN #1 INDEX AREA TOP VIEW SYMBOL MIN NOM A 0.45 0.50 A1 0.00 0.02 A3 0.127 REF b 0.20 0.25 D 1.95 2.00 D2 1.35 1.40 E 2.95 3.00 E2 1.25 1.30 e 0.50 REF L 0.25 ...

Page 17

E E1 TOP VIEW SIDE VIEW Notes: (1) All dimensions are in millimeters. Angles in degrees. (2) Complies with JEDEC MO-187. PACKAGE DIMENSIONS MSOP 8, 3x3 CASE 846AD−01 ISSUE O SYMBOL MIN A A1 ...

Page 18

... For information on tape and reel specifications, including part orientation and tape sizes, please refer to our Tape and Reel Packaging Specifications Brochure, BRD8011/D. 22. For detailed information and a breakdown of device nomenclature and numbering systems, please see the ON Semiconductor Device Nomenclature document, TND310/D, available at www.onsemi.com 23 ...

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