P25Q40H datasheet(6/76 Pages) PUYA

Part #	P25Q40H

Description	Ultra Low Power, 4M/2M/1M/512K-bit Serial Multi I/O Flash Memory

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Manufacturer	PUYA [Puya Semiconductor Co., Ltd.]

Direct Link	http://www.puyasemi.com/index_en.html

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6 / 76 page

P25Q40H/20H/10H/05H Datasheet

Puya Semiconductor

Page 6 of 76

3

Pin Definition

3.1

Pin Configurations

CS#

SO

WP#

HOLD#

SLCK

SI

VCC

GND

1

2

3

4

8

7

6

5

CS#

SO

WP#

HOLD#

SLCK

SI

VCC

GND

1

2

3

4

8

7

6

5

8-PIN SOP (150mil/208mil) and TSSOP

8-Land USON (2x3mm/6x5mm)

3.2

Pin Descriptions

No.

Symbol

Extension

Remarks

1

CS#

Chip select

2

SO

SIO1

Serial data output for 1 x I/O

Serial data input and output for 4 x I/O read mode

3

WP#

SIO2

Write protection active low

Serial data input and output for 4 x I/O read mode

4

GND

-

Ground of the device

5

SI

SIO0

Serial data input for 1x I/O

Serial data input and output for 4 x I/O read mode

6

SCLK

-

Serial interface clock input

7

HOLD#

SIO3

To pause the device without deselecting the device

Serial data input and output for 4 x I/O read mode

8

Vcc

-

Power supply of the device

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