M95020-WMN3G datasheet, PDF - EEWORLD Datasheet

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M95020-WMN3G: Description512 X 8 SPI BUS SERIAL EEPROM, PDSO8; Categorystorage storage; File Size294KB，42 Pages; ManufacturerSTMicroelectronics; Websitehttp://www.st.com/; Environmental Compliance

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M95020-WMN3G Overview

512 X 8 SPI BUS SERIAL EEPROM, PDSO8

M95020-WMN3G 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	0.150 INCH, ROHS COMPLIANT, PLASTIC, SO-8
Contacts	8
Reach Compliance Code	compli
Maximum clock frequency (fCLK)	5 MHz
JESD-30 code	R-PDSO-G8
JESD-609 code	e4
length	4.9 mm
memory density	2048 bi
Memory IC Type	EEPROM
memory width	8
Humidity sensitivity level	1
Number of functions	1
Number of terminals	8
word count	256 words
character code	256
Operating mode	SYNCHRONOUS
Maximum operating temperature	125 °C
Minimum operating temperature	-40 °C
organize	256X8
Package body material	PLASTIC/EPOXY
encapsulated code	SOP
Package shape	RECTANGULAR
Package form	SMALL OUTLINE
Parallel/Serial	SERIAL
Peak Reflow Temperature (Celsius)	260
Certification status	Not Qualified
Maximum seat height	1.75 mm
Serial bus type	SPI
Maximum supply voltage (Vsup)	5.5 V
Minimum supply voltage (Vsup)	2.5 V
Nominal supply voltage (Vsup)	3.3 V
surface mount	YES
Temperature level	AUTOMOTIVE
Terminal surface	NICKEL PALLADIUM GOLD
Terminal form	GULL WING
Terminal pitch	1.27 mm
Terminal location	DUAL
Maximum time at peak reflow temperature	40
width	3.9 mm
Maximum write cycle time (tWC)	5 ms

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M95040

M95020 M95010

4 Kbit, 2 Kbit and 1 Kbit serial SPI bus EEPROM

with high-speed clock

Features

■

Compatible with SPI bus serial interface

(Positive clock SPI modes)

Single supply voltage:

– 4.5 V to 5.5 V for M950x0

– 2.5 V to 5.5 V for M950x0-W

– 1.8 V to 5.5 V for M950x0-R

High speed

– 10 MHz Clock rate, 5 ms write time

Status Register

Byte and Page Write (up to 16 bytes)

Self-timed programming cycle

Adjustable size read-only EEPROM area

Enhanced ESD protection

More than 1 Million write cycles

More than 40-year data retention

Packages

– ECOPACK

(RoHS compliant)

Device summary

Part number

M95040

M95040-W

M95040-R

M95020

M95020-W

M95020-R

M95010

M95010-W

M95010-R

■

SO8 (MN)

150 mil width

TSSOP8 (DW)

169 mil width

Table 1.

Reference

UFDFPN8 (MB)

2 × 3 mm

March 2008

Rev 8

1/42

www.st.com

Contents

M95040, M95020, M95010

Contents

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

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

2.1

2.2

2.3

2.4

2.5

2.6

2.7

2.8

Serial Data output (Q) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

Serial Data input (D) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

Serial Clock (C) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

Chip Select (S) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

Hold (HOLD) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

Write Protect (W) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

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

Supply voltage (V

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

2.8.1

2.8.2

2.8.3

2.8.4

Operating supply voltage V

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

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

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

Power-down . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

Connecting to the SPI bus . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

3.1

SPI modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

Operating features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

4.1

4.2

4.3

Hold condition . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

Status Register . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

Data protection and protocol control . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14

Memory organization . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15

Instructions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16

6.1

6.2

6.3

Write Enable (WREN) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16

Write Disable (WRDI) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17

Read Status Register (RDSR) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18

6.3.1

6.3.2

6.3.3

WIP bit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18

WEL bit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18

BP1, BP0 bits . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18

2/42

List of tables

M95040, M95020, M95010

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.

Table 24.

Table 25.

Table 26.

Table 27.

Table 28.

Device summary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1

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

Write-protected block size . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14

Instruction set . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16

Status Register format . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18

Address range bits . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21

Absolute maximum ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25

Operating conditions (M950x0). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26

Operating conditions (M950x0-W) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26

Operating conditions (M950x0-R) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26

AC test measurement conditions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26

Capacitance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27

DC characteristics (M950x0, device grade 3) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27

DC characteristics (M950x0-W, device grade 6) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27

DC characteristics (M950x0-W, device grade 3) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28

DC characteristics (M950x0-R, device grade 6) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28

AC characteristics (M950x0, device grade 3) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29

AC characteristics (M950x0-W, device grade 6). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30

AC characteristics (M950x0-W, Device Grade 3) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31

AC characteristics (M950x0-R, device grade 6) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32

SO8N — 8-lead plastic small outline, 150 mils body width, package

mechanical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35

TSSOP8 — 8-lead thin shrink small outline, package mechanical data . . . . . . . . . . . . . . . 36

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

2 × 3mm, package mechanical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37

Ordering information scheme . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38

Available M95010 products (package, voltage range, temperature grade) . . . . . . . . . . . . 39

Available M95020 products (package, voltage range, temperature grade) . . . . . . . . . . . . 39

Available M95040 products (package, voltage range, temperature grade) . . . . . . . . . . . . 39

Document revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40

4/42

M95040, M95020, M95010

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.

Figure 18.

Figure 19.

Figure 20.

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

8-pin package connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

Bus master and memory devices on the SPI bus . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

SPI modes supported . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

Hold condition activation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

Block diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15

Write Enable (WREN) sequence . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16

Write Disable (WRDI) sequence . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17

Read Status Register (RDSR) sequence . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19

Write Status Register (WRSR) sequence . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20

Read from Memory Array (READ) sequence . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21

Byte Write (WRITE) sequence . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22

Page Write (WRITE) sequence . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23

AC test measurement I/O waveform. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26

Serial input timing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33

Hold timing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33

Output timing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34

SO8N — 8-lead plastic small outline 150 mils body width, package outline. . . . . . . . . . . . 35

TSSOP8 — 8-lead thin shrink small outline, package outline. . . . . . . . . . . . . . . . . . . . . . . 36

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

2 × 3mm, package outline. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37

5/42

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