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24CW640T-I/ST

Description
Electrically Erasable Programmable Read Only Memory 64 Kbit I2C Serial Electrically Erasable Programmable Read Only Memory with Software Write Protection, Industrial Temp
Categorystorage    storage   
File Size869KB,53 Pages
ManufacturerMicrochip
Websitehttps://www.microchip.com
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24CW640T-I/ST Overview

Electrically Erasable Programmable Read Only Memory 64 Kbit I2C Serial Electrically Erasable Programmable Read Only Memory with Software Write Protection, Industrial Temp

24CW640T-I/ST Parametric

Parameter NameAttribute value
MakerMicrochip
package instructionTSSOP-8
Reach Compliance Codecompliant
Factory Lead Time13 weeks
Maximum clock frequency (fCLK)1 MHz
JESD-30 codeR-PDSO-G8
length4.4 mm
memory density65536 bit
Memory IC TypeEEPROM
memory width8
Number of functions1
Number of terminals8
word count8192 words
character code8000
Operating modeSYNCHRONOUS
Maximum operating temperature85 °C
Minimum operating temperature-40 °C
organize8KX8
Package body materialPLASTIC/EPOXY
encapsulated codeTSSOP
Package shapeRECTANGULAR
Package formSMALL OUTLINE, THIN PROFILE, SHRINK PITCH
Parallel/SerialSERIAL
Filter levelTS 16949
Maximum seat height1.2 mm
Serial bus typeSPI
Maximum supply voltage (Vsup)5.5 V
Minimum supply voltage (Vsup)1.6 V
Nominal supply voltage (Vsup)1.8 V
surface mountYES
technologyCMOS
Temperature levelINDUSTRIAL
Terminal formGULL WING
Terminal pitch0.65 mm
Terminal locationDUAL
width3 mm
Maximum write cycle time (tWC)5 ms
24CW16X/24CW32X/24CW64X
16K-64K I
2
C Serial EEPROM with Software Write
Protection Family Data Sheet
Device Selection Table
Part Number
24CW16X
24CW32X
24CW64X
Note:
Density
16-Kbit
32-Kbit
64-Kbit
Page Size
32-byte
32-byte
32-byte
V
CC
Range
1.6-5.5
1.6-5.5
1.6-5.5
Package
SN, OT, ST, MU
SN, OT, ST, MU
SN, OT, ST, MU, CS0, CS1
Temp. Ranges
I
I
I
‘X’ in the part number refers to the preset hardware slave address. Refer to
Table 3-2
for additional information.
Features
• 16/32/64-Kbit EEPROM:
- Internally organized as one
2048/4096/8192 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 I
2
C 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
Package Types (not to scale)
8-Lead SOIC/TSSOP
(Top View)
NC
NC
NC
Vss
1
2
3
4
8
7
6
5
V
CC
NC
SCL
SDA
5-Lead SOT23
(Top View)
SCL 1
V
SS
2
SDA 3
4 V
CC
5 NC
8-Pad UDFN
(Top View)
NC
1
NC
2
NC
3
V
SS
4
4-Ball CSP (CS0)
(1)
(Top View)
V
CC
V
SS
8
V
CC
7
NC
6
SCL
5
SDA
4-Ball CSP (CS1)
(2)
(Top View)
V
CC
SCL
SCL
SDA
SDA
V
SS
Note 1:
CS0 CSP ball pitch is 0.4x0.4mm.
2:
CS1 CSP ball pitch is 0.5x0.4mm.
Pin Function Table
Name
V
SS
SDA
SCL
V
CC
Ground
Serial Data Pin
Serial Clock Input
Supply Voltage
Function
Packages
• 8-Lead SOIC, 8-Lead TSSOP, 8-Pad UDFN,
5-Lead SOT-23 and Two 4-Ball CSP options
2017 Microchip Technology Inc.
Preliminary
DS20005772A-page 1

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Maker Microchip Microchip Microchip Microchip Microchip Microchip
Maximum operating temperature 85 °C 85 °C 85 °C 85 °C + 85 C 85 °C
Minimum operating temperature -40 °C -40 °C -40 °C -40 °C - 40 C -40 °C
organize 8KX8 8KX8 8KX8 4KX8 2 k x 8 8KX8
package instruction TSSOP-8 SOIC-8 CSP-4 UDFN-8 - UDFN-8
Reach Compliance Code compliant compliant compliant compliant - compliant
Factory Lead Time 13 weeks 9 weeks 13 weeks 6 weeks - 6 weeks
Maximum clock frequency (fCLK) 1 MHz 1 MHz 1 MHz 1 MHz - 1 MHz
JESD-30 code R-PDSO-G8 R-PDSO-G8 R-PBGA-B4 R-PDSO-N8 - R-PDSO-N8
length 4.4 mm 4.9 mm - 3 mm - 3 mm
memory density 65536 bit 65536 bit 65536 bit 32768 bit - 65536 bit
Memory IC Type EEPROM EEPROM EEPROM EEPROM - EEPROM
memory width 8 8 8 8 - 8
Number of functions 1 1 1 1 - 1
Number of terminals 8 8 4 8 - 8
word count 8192 words 8192 words 8192 words 4096 words - 8192 words
character code 8000 8000 8000 4000 - 8000
Operating mode SYNCHRONOUS SYNCHRONOUS SYNCHRONOUS SYNCHRONOUS - SYNCHRONOUS
Package body material PLASTIC/EPOXY PLASTIC/EPOXY PLASTIC/EPOXY PLASTIC/EPOXY - PLASTIC/EPOXY
encapsulated code TSSOP SOP VFBGA HVSON - HVSON
Package shape RECTANGULAR RECTANGULAR RECTANGULAR RECTANGULAR - RECTANGULAR
Package form SMALL OUTLINE, THIN PROFILE, SHRINK PITCH SMALL OUTLINE GRID ARRAY, VERY THIN PROFILE, FINE PITCH SMALL OUTLINE, HEAT SINK/SLUG, VERY THIN PROFILE - SMALL OUTLINE, HEAT SINK/SLUG, VERY THIN PROFILE
Parallel/Serial SERIAL SERIAL SERIAL SERIAL - SERIAL
Filter level TS 16949 TS 16949 TS 16949 TS 16949 - TS 16949
Maximum seat height 1.2 mm 1.75 mm 0.33 mm 0.55 mm - 0.55 mm
Serial bus type SPI SPI SPI SPI - SPI
Maximum supply voltage (Vsup) 5.5 V 5.5 V 5.5 V 5.5 V - 5.5 V
Minimum supply voltage (Vsup) 1.6 V 1.6 V 1.6 V 1.6 V - 1.6 V
Nominal supply voltage (Vsup) 1.8 V 1.8 V 1.8 V 1.8 V - 1.8 V
surface mount YES YES YES YES - YES
technology CMOS CMOS CMOS CMOS - CMOS
Temperature level INDUSTRIAL INDUSTRIAL INDUSTRIAL INDUSTRIAL - INDUSTRIAL
Terminal form GULL WING GULL WING BALL NO LEAD - NO LEAD
Terminal pitch 0.65 mm 1.27 mm 0.4 mm 0.5 mm - 0.5 mm
Terminal location DUAL DUAL BOTTOM DUAL - DUAL
width 3 mm 3.9 mm - 2 mm - 2 mm
Maximum write cycle time (tWC) 5 ms 5 ms 5 ms 5 ms - 5 ms
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