M34C02-WDW6TP datasheet, PDF - EEWORLD Datasheet

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M34C02-WDW6TP: Description256 X 8 I2C/2-WIRE SERIAL EEPROM, PDSO8; Categorystorage storage; File Size151KB，31 Pages; ManufacturerSTMicroelectronics; Websitehttp://www.st.com/; Environmental Compliance

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M34C02-WDW6TP Overview

256 X 8 I2C/2-WIRE SERIAL EEPROM, PDSO8

M34C02-WDW6TP Parametric

Parameter Name	Attribute value
Is it lead-free?	Lead free
Is it Rohs certified?	conform to
Maker	STMicroelectronics
Parts packaging code	SOIC
package instruction	TSSOP, TSSOP8,.25
Contacts	8
Reach Compliance Code	compli
ECCN code	EAR99
Maximum clock frequency (fCLK)	0.4 MHz
Data retention time - minimum	40
Durability	1000000 Write/Erase Cycles
I2C control byte	1010DDDR
JESD-30 code	R-PDSO-G8
JESD-609 code	e4
length	4.4 mm
memory density	2048 bi
Memory IC Type	EEPROM
memory width	8
Number of functions	1
Number of terminals	8
word count	256 words
character code	256
Operating mode	SYNCHRONOUS
Maximum operating temperature	85 °C
Minimum operating temperature	-40 °C
organize	256X8
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)	NOT SPECIFIED
power supply	3/5 V
Certification status	Not Qualified
Maximum seat height	1.2 mm
Serial bus type	I2C
Maximum standby current	5e-7 A
Maximum slew rate	0.002 mA
Maximum supply voltage (Vsup)	5.5 V
Minimum supply voltage (Vsup)	2.5 V
Nominal supply voltage (Vsup)	5 V
surface mount	YES
technology	CMOS
Temperature level	INDUSTRIAL
Terminal surface	Nickel/Palladium/Gold (Ni/Pd/Au)
Terminal form	GULL WING
Terminal pitch	0.65 mm
Terminal location	DUAL
Maximum time at peak reflow temperature	NOT SPECIFIED
width	3 mm
Maximum write cycle time (tWC)	10 ms
write protect	HARDWARE/SOFTWARE

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M34C02-W

M34C02-L M34C02-R

2 Kbit Serial I²C Bus EEPROM

for DIMM serial presence detect

Feature summary

■

Software Data Protection for lower 128 Bytes

Two Wire I

C Serial Interface

400kHz Transfer Rates

Single Supply Voltage:

– 2.5 to 5.5V for M34C02-W

– 2.2 to 5.5V for M34C02-L

– 1.8 to 5.5V for M34C02-R

Byte and Page Write (up to 16 bytes)

Random and Sequential Read modes

Self-Timed Programming Cycle

Automatic Address Incrementing

Enhanced ESD/Latch-Up Protection

More than 1 million Write cycles

More than 40 Year Data Retention

Packages

– ECOPACK® (RoHS compliant)

UFDFPN8 (MB)

2x3mm² (MLP)

■

TSSOP8 (DW)

169 mil width

April 2006

Rev 9

1/31

www.st.com

Contents

M34C02-W, M34C02-L, M34C02-R

Contents

Summary description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

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

2.1

2.2

2.3

2.4

2.5

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

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

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

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

Supply voltage (V

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

2.5.1

2.5.2

2.5.3

Operating supply voltage V

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

Internal device reset . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

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

Device operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

3.1

3.2

3.3

3.4

3.5

3.6

3.7

Start Condition . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

Stop Condition . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

Acknowledge Bit (ACK) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

Data Input . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

Memory Addressing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

Setting the Software Write-Protection . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

Write Operations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14

3.7.1

3.7.2

3.7.3

Byte Write . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14

Page Write . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14

Minimizing system delays by polling on ACK . . . . . . . . . . . . . . . . . . . . . 16

3.8

Read Operations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17

3.8.1

3.8.2

3.8.3

3.8.4

Random Address Read . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17

Current Address Read . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17

Sequential Read . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17

Acknowledge in Read Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17

Use within a DRAM DIMM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19

4.1

Programming the M34C02-W, M34C02-L and M34C02-R . . . . . . . . . . . . 19

Initial delivery state . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20

2/31

List of tables

M34C02-W, M34C02-L, M34C02-R

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.

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

Device Select Code . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

Operating Modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

DRAM DIMM Connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19

Absolute maximum ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21

Operating Conditions (M34C02-W) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22

Operating Conditions (M34C02-L) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22

Operating Conditions (M34C02-R) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22

AC Measurement Conditions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22

Input Parameters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23

DC Characteristics (M34C02-W) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23

DC Characteristics (M34C02-L) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24

DC Characteristics (M34C02-R) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25

AC Characteristics M34C02-W, M34C02-L, M34C02-R) . . . . . . . . . . . . . . . . . . . . . . . . . . 25

UFDFPN8 (MLP8) 8-lead Ultra thin Fine pitch Dual Flat Package No lead

2x3mm², Package Mechanical Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27

TSSOP8 – 8 lead Thin Shrink Small Outline, package mechanical data . . . . . . . . . . . . . . 28

Ordering information scheme . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29

Document revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30

4/31

M34C02-W, M34C02-L, M34C02-R

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.

Logic diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

TSSOP and MLP connections (top view) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

Chip Enable input connection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

Maximum R

value versus bus parasitic capacitance (C) for an I²C Bus . . . . . . . . . . . . . . 9

C bus protocol . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

Setting the Write Protection Register (WC = 0) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

Result of setting the write protection. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

Write mode sequences in a non write-protected area . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15

Write cycle polling flowchart using ACK . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16

Read mode sequences . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18

Serial presence detect block diagram. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20

AC Measurement I/O Waveform. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22

AC Waveforms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26

UFDFPN8 (MLP8) 8-lead Ultra thin Fine pitch Dual Flat Package No lead

2x3mm², Package Outline . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27

TSSOP8 – 8 lead Thin Shrink Small Outline, package outline . . . . . . . . . . . . . . . . . . . . . . 28

5/31

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Shortcut: 00 01 02 03 04 05 06 07 08 09 0A 0C 0F 0J 0L 0M 0R 0S 0T 0Z 10 11 12 13 14 15 16 17 18 19 1A 1B 1C 1D 1E 1F 1H 1K 1M 1N 1P 1S 1T 1V 1X 1Z 20 21 22 23 24 25 26 27 28 29 2A 2B 2C 2D 2E 2F 2G 2K 2M 2N 2P 2Q 2R 2S 2T 2W 2Z 30 31 32 33 34 35 36 37 38 39 3A 3B 3C 3D 3E 3F 3G 3H 3J 3K 3L 3M 3N 3P 3R 3S 3T 3V 40 41 42 43 44 45 46 47 48 49 4A 4B 4C 4D 4M 4N 4P 4S 4T 50 51 52 53 54 55 56 57 58 59 5A 5B 5C 5E 5G 5H 5K 5M 5N 5P 5S 5T 5V 60 61 62 63 64 65 66 67 68 69 6A 6C 6E 6F 6M 6N 6P 6R 6S 6T 70 71 72 73 74 75 76 77 78 79 7A 7B 7C 7M 7N 7P 7Q 7V 7W 7X 80 81 82 83 84 85 86 87 88 89 8A 8D 8E 8L 8N 8P 8S 8T 8W 8Y 8Z 90 91 92 93 94 95 96 97 98 99 9A 9B 9C 9D 9F 9G 9H 9L 9S 9T 9W

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