Package / Case is 20-TSSOP (0.173", 4.40mm Width) - Memory Distributor - AT25256T2-10TI-2.7 AT27LV520-70XC AT27LV520-90XU

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
AT25256T2-10TI-2.7	Microchip Technology	IC EEPROM 256K SPI 3MHZ 20TSSOP	Obsolete	Non-Volatile	EEPROM	EEPROM	256Kb (32K x 8)	3MHz	5ms	-	SPI	2.7 V ~ 5.5 V	-40°C ~ 85°C (TA)	Surface Mount	20-TSSOP (0.173", 4.40mm Width)	20-TSSOP
AT27LV520-70XC	Microchip Technology	IC EPROM 512K PARALLEL 20TSSOP	Obsolete	Non-Volatile	EPROM	EPROM - OTP	512Kb (64K x 8)	-	-	70ns	Parallel	3 V ~ 3.6 V, 4.5 V ~ 5.5 V	0°C ~ 70°C (TC)	Surface Mount	20-TSSOP (0.173", 4.40mm Width)	20-TSSOP
AT27LV520-90XU	Microchip Technology	IC EPROM 512K PARALLEL 20TSSOP	Obsolete	Non-Volatile	EPROM	EPROM - OTP	512Kb (64K x 8)	-	-	90ns	Parallel	3 V ~ 3.6 V, 4.5 V ~ 5.5 V	-40°C ~ 85°C (TC)	Surface Mount	20-TSSOP (0.173", 4.40mm Width)	20-TSSOP