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GD25Q20

GigaDevice
Part Number GD25Q20
Manufacturer GigaDevice
Description Dual and Quad SPI Flash
Published Mar 1, 2015
Detailed Description Uniform Sector Dual and Quad SPI Flash GD25Q40/20/10/512 FEATURES ◆ 4M/2M/1M/512K-bit Serial Flash -512/256/128/64K-by...
Datasheet PDF File GD25Q20 PDF File

GD25Q20
GD25Q20

Overview
Uniform Sector Dual and Quad SPI Flash GD25Q40/20/10/512 FEATURES ◆ 4M/2M/1M/512K-bit Serial Flash -512/256/128/64K-byte -256 bytes per programmable page ◆ Standard, Dual, Quad SPI -Standard SPI: SCLK, CS#, SI, SO, WP#, HOLD# -Dual SPI:SCLK, CS#, IO0, IO1, WP#, HOLD# -Quad SPI:SCLK, CS#, IO0, IO1, IO2, IO3 ◆ High Speed Clock Frequency -120MHz for fast read with 30PF load -Dual I/O Data transfer up to 240Mbits/s -Quad I/O Data transfer up to 480Mbits/s ◆ Program/Erase Speed -Page Program time:0.
7ms typical -Sector Erase time:150ms typical -Block Erase time:0.
3\0.
5s typical -Chip Erase time:3\2\1\0.
5s typical ◆ Flexible Architecture -Sector of 4K-byte -Block of 32/64K-byte ◆ Low Power Consumption -20mA maximum active current -5uA maximum power down current ◆ Software/Hardware Write Protection ◆ Advanced security Features(1) -Write protect all/portion of memory via software -16-Bit Customer ID -Enable/Disable protection with WP# Pin -Security Architecture -Top or Bottom, Sector or Block selection ◆ Single Power Supply Voltage ◆ Minimum 100,000 Program/Erase Cycles -Full voltage range:2.
7~3.
6V Note: 1.
Please contact Gigadevice for details.
GENERAL DESCRIPTION The GD25Q40/20/10/512 (4M-bit) SPI flash supports the standard Serial Peripheral Interface (SPI), and a high performance Dual/Quad output as well as Dual/Quad SPI: Serial Clock, Chip Select, Serial Data I/O0 (SI), I/O1 (SO), I/O2 (WP#), and I/O3 (HOLD#).
SPI clock frequencies of up to 120MHz are supported allowing equivalent clock rates of 240MHz for Dual Output & Dual I/O read command, and 480MHz for Quad output & Quad I/O read command.
CONNECTION DIAGRAM CS# 1 8 SO WP# 27 Top View 36 VSS 45 8–LEAD SOP/DIP VCC HOLD# SCLK SI 1 Uniform Sector Dual and Quad SPI Flash GD25Q40/20/10/512 PIN DESCRIPTION Pin Name I/O CS# I SO (IO1) I/O WP# (IO2) I/O VSS SI (IO0) I/O SCLK I HOLD# (IO3) I/O VCC Description Chip Select Input Data Output (Data Input Output 1) Write Protect Input...


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