IS25WQ040 datasheet(8/65 Pages) ISSI

Part #	IS25WQ040

Description	1.8V QUAD SERIAL FLASH MEMORY WITH MULTI-I/O SPI

Download	65 Pages

Scroll/Zoom	100%

Manufacturer	ISSI [Integrated Silicon Solution, Inc]

Direct Link	http://www.issi.com

Logo

8 / 65 page

IS25WQ040/020

Integrated Silicon Solution, Inc.- www.issi.com

Rev. 0A

12/05/2014

8

4. SPI MODES DESCRIPTION

Multiple IS25WQ040/020 devices can be connected on the SPI serial bus and controlled by a SPI Master, i.e.

microcontroller, as shown in Figure 4.1 the devices support either of two SPI modes:

Mode 0 (0, 0)

Mode 3 (1, 1)

The difference between these two modes is the clock polarity. When the SPI master is in stand-by mode, the

serial clock remains at “0” (SCK = 0) for Mode 0 and the clock remains at “1” (SCK = 1) for Mode 3. Please refer

to Figure 4.2 for SPI mode. In SPI mode, the input data is latched on the rising edge of Serial Clock (SCK), and

the output data is available from the falling edge of SCK.

Figure 4.1 Connection Diagram among SPI Master and SPI Slaves (Memory Devices)

Notes:

1. The Write Protect (WP#) and Hold (HOLD#) signals should be driven high or low as necessary.

2. SI and SO pins become bidirectional IO0 and IO1, and WP# and HOLD# pins become IO2 and IO3 respectively

during Multi-IO mode.

SPI interface with

(0,0) or (1,1)

SPI Master

(i.e. Microcontroller)

SPI

Memory

Device

SPI

Memory

Device

SPI

Memory

Device

SCK SO

SI

SCK

SDI

SDO

CE#

WP# HOLD#

SCK SO

SI

CE#

WP# HOLD#

SCK SO

SI

CE#

WP# HOLD#

CS3

CS2

CS1

PRELIMINARY INFORMATION

Similar Part No. - IS25WQ040

Manufacturer	Part #	Datasheet	Description
Integrated Silicon Solu...	IS25WQ080	1Mb / 60P	8 Mbit bit Single Operating Voltage Serial Flash Memory

More results

Similar Description - IS25WQ040

Manufacturer	Part #	Datasheet	Description
Integrated Silicon Solu...	IS25WP016	2Mb / 112P	1.8V SERIAL FLASH MEMORY WITH 133MHZ MULTI I/O SPI
	IS25WP128	929Kb / 107P	1.8V SERIAL FLASH MEMORY WITH 133MHZ MULTI I/O SPI
	IS25WP064A	1Mb / 111P	1.8V SERIAL FLASH MEMORY WITH 133MHZ MULTI I/O SPI & QUAD I/O QPI DTR INTERFACE
	IS25LQ025B	1,002Kb / 66P	3V QUAD SERIAL FLASH MEMORY WITH MULTI-I/O SPI
	IS25LQ032B	1Mb / 74P	3V QUAD SERIAL FLASH MEMORY WITH MULTI-I/O SPI
	IS25CQ032	1Mb / 53P	3V- QUAD SERIAL FLASH MEMORY MULTI- I/O SPI
Silicon Storage Technol...	SST26WF032	1Mb / 36P	1.8V Serial Quad I/O (SQI) Flash Memory
Integrated Silicon Solu...	IS25LP016D	1Mb / 114P	SERIAL FLASH MEMORY WITH 133MHZ MULTI I/O SPI & QUAD I/O QPI DTR INTERFACE
	IS25LP032D	2Mb / 118P	SERIAL FLASH MEMORY WITH 133MHZ MULTI I/O SPI & QUAD I/O QPI DTR INTERFACE
	IS25LP080D	1Mb / 108P	SERIAL FLASH MEMORY WITH 133MHZ MULTI I/O SPI & QUAD I/O QPI DTR INTERFACE

More results

IS25WQ040 Datasheet(PDF) 8 Page - Integrated Silicon Solution, Inc

IS25WQ040 Datasheet(HTML) 8 Page - Integrated Silicon Solution, Inc

Similar Part No. - IS25WQ040

Similar Description - IS25WQ040

Html Pages

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65

Datasheet Download

Link URL