Serial EEPROM. 24CW160 Datasheet

24CW160 EEPROM. Datasheet pdf. Equivalent


Microchip 24CW160
24CW16X/24CW32X/24CW64X/24CW128X
16K-128K I2C Serial EEPROM with Software Write
Protection Family Data Sheet
Device Selection Table
Part Number
Density
Page Size VCC Range
Package
Temp. Ranges
24CW16X
16-Kbit
32-byte
1.6-5.5
SN, OT, ST, MUY
I
24CW32X
32-Kbit
32-byte
1.6-5.5
SN, OT, ST, MUY
I
24CW64X
64-Kbit
32-byte
1.6-5.5
SN, OT, ST, MUY, CS0, CS1
I
24CW128X
128-Kbit
32-byte
1.6-5.5
SN, OT, ST, MUY, CS0, CS1
I
Note: ‘X’ in the part number refers to the preset hardware slave address. Refer to Table 3-2 for additional information.
Features
• 16/32/64/128-Kbit EEPROM:
- Internally organized as one
2048/4096/8192/16384 x 8 bit block
- Byte or page writes up to 32 bytes
- Byte or sequential reads within a block
- Self-timed write cycle (5 ms maximum)
• High-Speed I2C Interface:
- Industry standard: 1 MHz, 400 kHz and
100 kHz
- Output slope control to eliminate ground
bounce
- Schmitt trigger inputs for noise suppression
• Programmable Hardware Slave Address Bits:
- Configurable via the Hardware Address
Register (HAR)
• Versatile Data Protection Options:
- Software write protection via the Write
Protection Register (WPR)
• Operating Voltage Range of 1.6V to 5.5V
• Low-Power CMOS Technology:
- Write current: 1.0 mA maximum at 5.5V
- Read current: 1.0 mA maximum at 5.5V,
1 MHz
- Standby Current: 1 µA at 5.5V
• High Reliability:
- More than one million erase/write cycles
- Data retention: >200 years
- ESD protection: >4000V
• RoHS Compliant
Packages
• 8-Lead SOIC, 8-Lead TSSOP, 8-Pad UDFN,
5-Lead SOT-23 and Two 4-Ball CSP options
Package Types (not to scale)
8-Lead SOIC/TSSOP
(Top View)
NC 1
NC 2
NC 3
Vss 4
8 VCC
7 NC
6 SCL
5 SDA
5-Lead SOT23
(Top View)
SCL 1
VSS 2
SDA 3
5 NC
4 VCC
8-Pad UDFN
(Top View)
NC 1
NC 2
NC 3
VSS 4
8 VCC
7 NC
6 SCL
5 SDA
4-Ball CSP (CS0)(1)
(Top View)
4-Ball CSP (CS1)(2)
(Top View)
VCC
VSS
VCC SCL
SCL SDA
SDA
VSS
Note 1: CS0 CSP ball pitch is 0.4x0.4 mm.
2: CS1 CSP ball pitch is 0.5x0.4 mm.
Pin Function Table
Name
VSS
SDA
SCL
VCC
Function
Ground
Serial Data Pin
Serial Clock Input
Supply Voltage
2018 Microchip Technology Inc.
DS20005772B-page 1


24CW160 Datasheet
Recommendation 24CW160 Datasheet
Part 24CW160
Description 16K-128K I2C Serial EEPROM
Feature 24CW160; 24CW16X/24CW32X/24CW64X/24CW128X 16K-128K I2C Serial EEPROM with Software Write Protection Family Da.
Manufacture Microchip
Datasheet
Download 24CW160 Datasheet




Microchip 24CW160
24CW16X/24CW32X/24CW64X/24CW128X
Description
The 24CW16X/24CW32X/24CW64X/24CW128X
(24CW Series) devices provide 16-128 Kbits of Serial
EEPROM utilizing an I2C (2-wire) serial interface. The
24CW Series is organized as 2048/4096/8192/16384
bytes of 8 bits each (2-16 Kbytes). The 24CW Series is
optimized for use in consumer and industrial applica-
tions, where reliable and dependable nonvolatile mem-
ory storage is essential. The 24CW Series allows up to
eight devices to share a common I2C (2-wire) bus and is
capable of operation across a broad voltage range (1.6V
to 5.5V).
The 24CW Series contains a pair of programmable
Configuration registers which allow certain device
behaviors to be modified. These registers are the Write
Protection Register and the Hardware Address
Register.
The Write Protection Register (WPR) controls the valid
address ranges of the EEPROM array that can be writ-
ten. This allows the user to select the write protection
behavior to be configured for software write protection.
The Hardware Address Register (HAR) controls the
three hardware slave address bits. These bits deter-
mine which device addresses the 24CW Series will
Acknowledge. Because the 24CW Series is a 4-pin
device, the cascadable feature is controlled by the
HAR.
Once the desired software write protection and hardware
slave address bits are set, these Configuration registers
can be permanently locked, thereby preventing any
further changes to the device operation.
System Configuration Using Serial EEPROMs
VCC
VCC
SCL
SDA
RPUP(max)
=
tR(max)
0.8473 CL
RPUP(min)
=
VCC
VOL(max)
IOL
I2C MCU
VSS
VCC
Programmed
as Slave 0
24CWXXXX SDA
VSS SCL
VCC
Programmed
as Slave 1
24CWXXXX SDA
VSS SCL
VCC
Programmed
as Slave 7
24CWXXXX SDA
VSS SCL
2018 Microchip Technology Inc.
DS20005772B-page 2



Microchip 24CW160
24CW16X/24CW32X/24CW64X/24CW128X
Block Diagram
Hardware Address
Register
High-Voltage
Generation Circuit
Memory
System Control
Module
Power-on
Reset
Generator
VCC
Write Protection
Register
EEPROM Array
1 page
Address Register
and Counter
Column Decoder
Data Register
SCL
Data & ACK
DOUT Input/Output Control
Start
Stop
Detector
VSS
DIN
SDA
2018 Microchip Technology Inc.
DS20005772B-page 3







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