Package / Case is 20-SOIC (0.295", 7.50mm Width) - Memory Distributor - AT25P1024W1-10SI-2.7 AT27C520-90SC AT27LV520-90SC

Part Number	Manufacturer / Brand	Brife Description	Part Status	Memory Type	Memory Format	Technology	Memory Size	Clock Frequency	Write Cycle Time - Word, Page	Access Time	Memory Interface	Voltage - Supply	Operating Temperature	Mounting Type	Package / Case	Supplier Device Package
AT25P1024W1-10SI-2.7	Microchip Technology	IC EEPROM 1M SPI 2.1MHZ 20SOIC	Obsolete	Non-Volatile	EEPROM	EEPROM	1Mb (128K x 8)	2.1MHz	5ms	-	SPI	2.7 V ~ 5.5 V	-40°C ~ 85°C (TC)	Surface Mount	20-SOIC (0.295", 7.50mm Width)	20-SOIC
AT27C520-90SC	Microchip Technology	IC EPROM 512K PARALLEL 20SOIC	Obsolete	Non-Volatile	EPROM	EPROM - OTP	512Kb (64K x 8)	-	-	90ns	Parallel	4.5 V ~ 5.5 V	0°C ~ 70°C (TC)	Surface Mount	20-SOIC (0.295", 7.50mm Width)	20-SOIC
AT27LV520-90SC	Microchip Technology	IC EPROM 512K PARALLEL 20SOIC	Obsolete	Non-Volatile	EPROM	EPROM - OTP	512Kb (64K x 8)	-	-	90ns	Parallel	3 V ~ 3.6 V, 4.5 V ~ 5.5 V	0°C ~ 70°C (TC)	Surface Mount	20-SOIC (0.295", 7.50mm Width)	20-SOIC