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128M x 8 SPI NOR Flash Memory Chip with 2.7~3.6V Full Voltage Range and 70ns Access Time

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128M x 8 SPI NOR Flash Memory Chip with 2.7~3.6V Full Voltage Range and 70ns Access Time

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Brand Name :	PUYA
Model Number :	P25Q40SH-SSH-IT
Certification :	ROHS
Price :	CONSUIL
Payment Terms :	T/T,Western Union
Supply Ability :	100000
Delivery Time :	5-8DAY

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128M x 8 SPI NOR Flash Memory Chip with 2.7~3.6V Full Voltage Range and 70ns Access Time

P25Q40SH-SSH-IT Serial Peripheral Interface SPI Non-volatile NOR Flash Memory Chip

1 Introduction

PUYA P25Q40SH Flash is a feature rich and cost-optimized serial peripheral interface (SPI) non-volatile NORflash family. This application note provides conversion guidelines for migrating from the P25Q40H to theP25Q40SH Flash.This application note is based on information available to date from datasheets and other application notespublicly available from PUYA. Please refer also to the latest relevant specifications. The document discussesthe specification differences when migrating from P25Q40H to P25Q40SH.

2 Feature Comparison and Differences

PUYA P25Q40H products are well suited for migration to PUYA P25Q40SH products. Some of the reasons arecompatible pinouts, packages, command set, and 4KB sector structure. Both P25Q40H and P25Q40SHdevices support Single (Standard) I/O, Dual I/O, and Quad I/O modes. The main differences betweenP25Q40H and P25Q40SH are listed in the table below:

Table 2-1. High Level Feature Support Comparison
Feature / Parameter	P25Q40H	P25Q40SH
Supple Voltage	2.3V-3.6V	2.3V-3.6V
Single (Standard) IO Operations	√	√
Dual IO Operations	√	√
Quad IO Operations	√	√
QPI	not support	√
Standard Normal Read SCK Frequency (max)	55 MHz	55 MHz
Standard Fast Read SCK Frequency (max)	104 MHz	104 MHz
Dual Fast Read SCK Frequency (max)	104 MHz	104 MHz
Quad Fast Read SCK Frequency (max)	104 MHz	104 MHz
Software Protection	√	√
Individual Block Protection	not support	√
One Time Programmable Region(s)	3 x 512 Bytes	3 x 512 Bytes
Buffer access	not support	√
Erase(PE,SE,BE) time Typ.	8ms	16ms
Erase(CE) time Typ.	8ms	16ms
Configure Register	not support	√
Temperature Range Option	-40C to +85C	-40C to +85C

Table 2-1-1 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#/RESET# SIO3	Hardware Reset Pin Active low or to pause the device withoutdeselecting the device	Serial data input and output for 4 x I/O read mode
8	Vcc	-	Power supply of the device

128M x 8 SPI NOR Flash Memory Chip with 2.7~3.6V Full Voltage Range and 70ns Access Time

Packaging & Shipping

Standard export packaging available. Customers can choose from cartons, wooden cases, and wooden pallets according to their requirements.

Frequently Asked Questions

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We typically provide quotations within 24 hours of receiving your inquiry (excluding weekends and holidays). For urgent pricing requests, please contact us directly.

What is your delivery time?

Small batches typically ship within 7-15 days, while large batch orders may require approximately 30 days depending on order quantity and season.

What are your payment terms?

Factory pricing with 30% deposit and 70% balance payment via T/T before shipment.

Available shipping methods include sea freight, air freight, and express delivery (EMS, UPS, DHL, TNT, FEDEX). Please confirm your preferred method before ordering.

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