M95320-DRDW8TP-K datasheet, PDF

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M95320-DRDW8TP-K: DescriptionEEPROM E-EPROM; Categorystorage; File Size596KB，42 Pages; ManufacturerSTMicroelectronics; Websitehttp://www.st.com/

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M95320-DRDW8TP-K Overview

EEPROM E-EPROM

M95320-DRDW8TP-K Parametric

Parameter Name	Attribute value
Product Attribute	Attribute Value
Manufacturer	STMicroelectronics
Product Category	EEPROM
RoHS	Details
Mounting Style	SMD/SMT
Package / Case	TSSOP-8
Memory Size	32 kbit
Organization	4 k x 8
Interface Type	SPI
Data Retention	200 Year
Maximum Clock Frequency	20 MHz
Supply Current - Max	5 mA
Supply Voltage - Min	1.8 V
Supply Voltage - Max	5.5 V
Minimum Operating Temperature	- 40 C
Maximum Operating Temperature	+ 105 C
Qualification	AEC-Q100
Packaging	Cut Tape
Packaging	MouseReel
Packaging	Reel
Height	1.2 mm
Length	4.3 mm
Width	2.9 mm
NumOfPackaging	3
Operating Supply Voltage	1.8 V to 5.5 V
Factory Pack Quantity	4000
Unit Weight	0.005573 oz

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M95320-DRE

32-Kbit serial SPI bus EEPROM - 105 °C Operation

Datasheet

production data

Features

•

Compatible with the Serial Peripheral Interface

(SPI) bus

SO8 (MN)

150 mil width

•

Memory array

– 32 Kbit (4 Kbytes) of EEPROM

– Page size: 32 bytes

– Write protection by block: 1/4, 1/2 or whole

memory

– Additional Write lockable Page

(Identification page)

•

Extended temperature and voltage range

– Up to 105 °C (V

from 1.7 V to 5.5 V)

•

High speed clock frequency

– 20 MHz for V

≥

4.5 V

– 10 MHz for V

≥

2.5 V

– 5 MHz for V

≥

1.7 V

TSSOP8 (DW)

169 mil width

WFDFPN8 (MF)

DFN8 - 2 x 3 mm

•

Schmitt trigger inputs for noise filtering

•

Short Write cycle time

– Byte Write within 4 ms

– Page Write within 4 ms

•

Write cycle endurance

– 4 million Write cycles at 25 °C

– 1.2 million Write cycles at 85 °C

– 900 k Write cycles at 105 °C

•

Data retention

– more than 50 years at 105 °C

– 200 years at 55 °C

•

ESD Protection (Human Body Model)

– 4000 V

•

Packages

– RoHS-compliant and halogen-free

(ECOPACK2

)

February 2017

This is information on a product in full production.

DocID027471 Rev 2

1/42

www.st.com

Contents

M95320-DRE

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) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

ground . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

supply voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

Operating features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

3.1

3.2

3.3

3.4

Active power and Standby power modes . . . . . . . . . . . . . . . . . . . . . . . . . 10

SPI modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

Hold mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .11

Protocol control and data protection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .11

3.4.1

3.4.2

Protocol control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

Status Register and data protection . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

3.5

Identification page . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

Instructions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15

4.1

4.2

4.3

4.4

4.5

4.6

4.7

4.8

4.9

4.10

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

Write Disable (WRDI) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16

Read Status Register (RDSR) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17

Write Status Register (WRSR) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18

Read from Memory Array (READ) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19

Write to Memory Array (WRITE) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20

Read Identification Page (RDID) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22

Write Identification Page (WRID) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23

Read Lock Status (RDLS) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23

Lock Identification Page (LID) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24

2/42

DocID027471 Rev 2

List of tables

M95320-DRE

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

Status Register format . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

Write-protected block size . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

Protection modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

Device identification bytes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14

Instruction set . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15

Significant bits within the two address bytes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15

Absolute maximum ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29

Cycling performance by groups of 4 bytes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30

Operating conditions (voltage range R, temperature range 8) . . . . . . . . . . . . . . . . . . . . . . 30

Operating conditions (voltage range R, temperature range 8)

for high-speed communications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30

DC characteristics (voltage range R, temperature range 8) . . . . . . . . . . . . . . . . . . . . . . . . 31

AC characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32

SO8N – 8-lead plastic small outline, 150 mils body width, package mechanical data . . . . 35

TSSOP8 – 8-lead thin shrink small outline, 3 x 6.4 mm, 0.65 mm pitch,

package mechanical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36

WFDFPN8 (MLP8) – 8-lead very thin fine pitch dual flat package no lead

2 x 3 mm, 0.5 mm pitch, mechanical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38

Ordering information scheme . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39

Document revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41

4/42

DocID027471 Rev 2

M95320-DRE

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.

Figure 21.

Figure 22.

Figure 23.

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

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

SPI modes supported . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

Hold mode activation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

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

Write Disable (WRDI) sequence . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16

Read Status Register (RDSR) sequence . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17

Write Status Register (WRSR) sequence . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18

Read from Memory Array (READ) sequence . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19

Byte Write (WRITE) sequence . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20

Page Write (WRITE) sequence . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21

Read Identification Page sequence . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22

Write Identification Page sequence . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23

Read Lock Status sequence . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24

Lock ID sequence . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24

Bus master and memory devices on the SPI bus . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27

AC measurement I/O waveform . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33

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

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

Serial output timing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34

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

TSSOP8 – 8-lead thin shrink small outline, 3 x 6.4 mm, 0.65 mm pitch,

package outline. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36

WFDFPN8 (MLP8) – 8-lead very thin fine pitch dual flat package no lead

2 x 3 mm, 0.5 mm, package outline . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37

DocID027471 Rev 2

5/42

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