Specifications

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Product Details

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Select all	Attribute	Value
	Brand	Winbond
	Memory Size	256Mbit
	Organisation	32M x 8 bit
	SDRAM Class	DDR
	Data Rate	200MHz
	Data Bus Width	16bit
	Address Bus Width	15bit
	Number of Bits per Word	8bit
	Maximum Random Access Time	55ns
	Number of Words	32M
	Mounting Type	Surface Mount
	Package Type	TSOP
	Pin Count	66
	Dimensions	22.35 x 10.29 x 1.05mm
	Height	1.05mm
	Length	22.35mm
	Maximum Operating Supply Voltage	2.7 V
	Width	10.29mm
	Minimum Operating Temperature	-40 °C
	Minimum Operating Supply Voltage	2.3 V
	Maximum Operating Temperature	+85 °C

	Select all
	Brand Winbond
	Memory Size 256Mbit
	Organisation 32M x 8 bit
	SDRAM Class DDR
	Data Rate 200MHz
	Data Bus Width 16bit
	Address Bus Width 15bit
	Number of Bits per Word 8bit
	Maximum Random Access Time 55ns
	Number of Words 32M
	Mounting Type Surface Mount
	Package Type TSOP
	Pin Count 66
	Dimensions 22.35 x 10.29 x 1.05mm
	Height 1.05mm
	Length 22.35mm
	Maximum Operating Supply Voltage 2.7 V
	Width 10.29mm
	Minimum Operating Temperature -40 °C
	Minimum Operating Supply Voltage 2.3 V
	Maximum Operating Temperature +85 °C

Datasheet W9425G6KH-5I

The W9425G6KH is a 256M DDR SDRAM and speed involving -4/-5/-5I/-5A.

Up to 250 MHz Clock Frequency
Double Data Rate architecture, two data transfers per clock cycle
Differential clock inputs (CLK and /CLK)
DQS is edge-aligned with data for Read, center-aligned with data for Write
CAS Latency: 2, 2.5, and 3
Burst Length: 2, 4 and 8
Auto Refresh and Self Refresh
Precharged Power Down and Active Power Down
Write Data Mask
Write Latency = 1
7.8μS refresh interval (8K/64 mS refresh)
Maximum burst refresh cycle: 8
Interface: SSTL_2

Winbond W9425G6KH-5I, SDRAM 256Mbit Surface Mount, 200MHz, 2.3 V to 2.7 V, 66-Pin TSOP

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