M24C32-WDW3TG/K datasheet, PDF

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M24C32-WDW3TG/K: DescriptionIC,SERIAL EEPROM,4KX8,CMOS,TSSOP,8PIN,PLASTIC; Categorystorage storage; File Size370KB，42 Pages; ManufacturerSTMicroelectronics; Websitehttp://www.st.com/; Environmental Compliance

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M24C32-WDW3TG/K Overview

IC,SERIAL EEPROM,4KX8,CMOS,TSSOP,8PIN,PLASTIC

M24C32-WDW3TG/K Parametric

Parameter Name	Attribute value
Is it lead-free?	Lead free
Is it Rohs certified?	conform to
Maker	STMicroelectronics
Reach Compliance Code	compliant
Data retention time - minimum	40
Durability	1000000 Write/Erase Cycles
I2C control byte	1010DDDR
JESD-30 code	R-PDSO-G8
JESD-609 code	e3
memory density	32768 bit
Memory IC Type	EEPROM
memory width	8
Humidity sensitivity level	1
Number of terminals	8
word count	4096 words
character code	4000
Maximum operating temperature	125 °C
Minimum operating temperature	-40 °C
organize	4KX8
Package body material	PLASTIC/EPOXY
encapsulated code	TSSOP
Encapsulate equivalent code	TSSOP8,.25
Package shape	RECTANGULAR
Package form	SMALL OUTLINE, THIN PROFILE, SHRINK PITCH
Parallel/Serial	SERIAL
Peak Reflow Temperature (Celsius)	225
power supply	3/5 V
Certification status	Not Qualified
Filter level	AEC-Q100
Serial bus type	I2C
Maximum standby current	0.00001 A
Maximum slew rate	0.005 mA
surface mount	YES
technology	CMOS
Temperature level	AUTOMOTIVE
Terminal surface	MATTE TIN
Terminal form	GULL WING
Terminal pitch	0.635 mm
Terminal location	DUAL
Maximum time at peak reflow temperature	NOT SPECIFIED
write protect	HARDWARE

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M24C32-DF

M24C32-W M24C32-R M24C32-F

32 Kbit serial I²C bus EEPROM

Features

■

Compatible with all I

C bus modes:

– 1 MHz Fast-mode Plus

– 400 kHz Fast mode

– 100 kHz Standard mode

Memory array:

– 32 Kb (4 Kbytes) of EEPROM

– Page size: 32 bytes

M24C32-DF: additional Write lockable Page

(Identification page)

Write

– Byte Write within 5 ms

– Page Write within 5 ms

Random and Sequential Read modes

Write protect of the whole memory array

Single supply voltage:

– M24C32-W: 2.5 V to 5.5 V

– M24C32-R: 1.8 V to 5.5 V

– M24C32-xF: 1.7 V to 5.5 V

Enhanced ESD/Latch-Up protection

More than 1 million Write cycles

More than 40-year data retention

Packages

– ECOPACK2® (RoHS-compliant and

halogen-free)

– PDIP8 package: ECOPACK1® (RoHS-

compliant)

TSSOP8 (DW)

169 mil width

SO8 (MN)

150 mil width

■

PDIP8 (BN)

■

UFDFPN8

(MB, MC)

March 2011

Doc ID 4578 Rev 18

1/42

www.st.com

Contents

M24C32-DF, M24C32-W, M24C32-R, M24C32-F

Contents

Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

Signal description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

2.1

2.2

2.3

2.4

2.5

2.6

Serial Clock (SCL) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

Serial Data (SDA) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

Chip Enable (E0, E1, E2) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

Write Control (WC) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

ground . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

Supply voltage (V

) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

2.6.1

2.6.2

2.6.3

2.6.4

Operating supply voltage V

CC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

Power-up conditions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

Device reset . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

Power-down conditions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

Memory organization . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

Device operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

4.1

4.2

4.3

4.4

4.5

4.6

4.7

4.8

4.9

4.10

4.11

4.12

4.13

4.14

4.15

Start condition . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

Stop condition . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

Acknowledge bit (ACK) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

Data Input . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

Memory addressing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14

Write operations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16

Byte Write . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16

Page Write . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16

Write Identification Page (M24C32-D only) . . . . . . . . . . . . . . . . . . . . . . . 17

Lock Identification Page (M24C32-D only) . . . . . . . . . . . . . . . . . . . . . . . . 18

ECC (Error Correction Code) and Write cycling . . . . . . . . . . . . . . . . . . . . 18

Minimizing system delays by polling on ACK . . . . . . . . . . . . . . . . . . . . . . 19

Read operations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21

Random Address Read . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21

Current Address Read . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21

2/42

Doc ID 4578 Rev 18

List of tables

M24C32-DF, M24C32-W, M24C32-R, M24C32-F

List of tables

Table 1.

Table 2.

Table 3.

Table 4.

Table 5.

Table 6.

Table 7.

Table 8.

Table 9.

Table 10.

Table 11.

Table 12.

Table 13.

Table 14.

Table 15.

Table 16.

Table 17.

Table 18.

Table 19.

Table 20.

Table 21.

Table 22.

Table 23.

Signal names . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

Address most significant byte . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

Address least significant byte . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

Device select code . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14

Operating modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14

Absolute maximum ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23

Operating conditions (M24xxx-W) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24

Operating conditions (M24xxx-R) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24

Operating conditions (M24xxx-F) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24

AC test measurement conditions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24

Input parameters. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25

DC characteristics (M24xxx-W, device grade 6). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26

DC characteristics (M24xxx-W - device grade 3) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27

DC characteristics (M24xxx-R - device grade 6) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28

DC characteristics (M24xxx-F) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29

400 kHz AC characteristics. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30

1 MHz AC characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31

PDIP8 – 8 pin plastic DIP, 0.25 mm lead frame, package mechanical data. . . . . . . . . . . . 33

SO8 narrow – 8 lead plastic small outline, 150 mils body width,

package mechanical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34

TSSOP8 – 8 lead thin shrink small outline, package mechanical data. . . . . . . . . . . . . . . . 35

UFDFPN8 (MLP8) 8-lead ultra thin fine pitch dual flat package no lead

2 x 3 mm, data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36

Ordering information scheme . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37

Document revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38

4/42

Doc ID 4578 Rev 18

M24C32-DF, M24C32-W, M24C32-R, M24C32-F

List of figures

Figure 1.

Figure 2.

Figure 3.

Figure 4.

Figure 5.

Figure 6.

Figure 7.

Figure 8.

Figure 9.

Figure 10.

Figure 11.

Figure 12.

Figure 13.

Figure 14.

Figure 15.

Figure 16.

Figure 17.

Logic diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

8-pin package connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

Device select code . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

C Fast mode (f

= 400 kHz): maximum R

bus

value versus bus parasitic

capacitance (C

bus

) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

C Fast mode Plus (f

= 1 MHz): maximum R

bus

value versus bus

parasitic capacitance (C

bus

) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

C bus protocol . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

Block diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

Write mode sequences with WC = 1 (data write inhibited) . . . . . . . . . . . . . . . . . . . . . . . . . 15

Write mode sequences with WC = 0 (data write enabled) . . . . . . . . . . . . . . . . . . . . . . . . . 17

Write cycle polling flowchart using ACK . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19

Read mode sequences . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20

AC test measurement I/O waveform. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25

AC waveforms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32

PDIP8 – 8 pin plastic DIP, 0.25 mm lead frame, package outline . . . . . . . . . . . . . . . . . . . 33

SO8 narrow – 8 lead plastic small outline, 150 mils body width, package outline . . . . . . . 34

TSSOP8 – 8 lead thin shrink small outline, package outline . . . . . . . . . . . . . . . . . . . . . . . 35

UFDFPN8 (MLP8) – 8-lead ultra thin fine pitch dual flat package no lead

2 × 3mm, package outline. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36

Doc ID 4578 Rev 18

5/42

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