Specification	R1EX24004ATAS0A#S0

Access Time	900 ns
Clock Frequency	400 kHz
Memory Format	EEPROM
Memory Interface	I2C
Memory Organization	512 x 8
Memory Size	512 B
Memory Type	Non-Volatile
Mounting Type	Surface Mount
Operating Temperature [Max]	85 C
Operating Temperature [Min]	-40 ¯C
Package / Case	0.173 in
Package / Case	8-TSSOP
Package / Case	4.4 mm
Supplier Device Package	8-TSSOP
Technology	EEPROM
Voltage - Supply [Max]	5.5 V
Voltage - Supply [Min]	1.8 V
Write Cycle Time - Word, Page [custom]	5 ms
Write Cycle Time - Word, Page [custom]	5 ms

R1EX24004 Series

Two-wire serial interface 4k EEPROM (512-word × 8-bit)

Part	Operating Temperature [Max]	Operating Temperature [Min]	Memory Organization	Voltage - Supply [Max]	Voltage - Supply [Min]	Access Time	Memory Interface	Supplier Device Package	Memory Type	Memory Size	Package / Case	Package / Case	Package / Case	Technology	Memory Format	Mounting Type	Clock Frequency	Write Cycle Time - Word, Page [custom]	Write Cycle Time - Word, Page [custom]
Renesas Electronics Corporation R1EX24004ATAS0I#S0	85 C	-40 ¯C	512 x 8	5.5 V	1.8 V	900 ns	I2C	8-TSSOP	Non-Volatile	512 B	0.173 in	8-TSSOP	4.4 mm	EEPROM	EEPROM	Surface Mount	400 kHz	5 ms	5 ms
Renesas Electronics Corporation R1EX24004ATAS0A#S0	85 C	-40 ¯C	512 x 8	5.5 V	1.8 V	900 ns	I2C	8-TSSOP	Non-Volatile	512 B	0.173 in	8-TSSOP	4.4 mm	EEPROM	EEPROM	Surface Mount	400 kHz	5 ms	5 ms
Renesas Electronics Corporation R1EX24004ASAS0I#S0	85 C	-40 ¯C	512 x 8	5.5 V	1.8 V	900 ns	I2C	8-SOP	Non-Volatile	512 B	0.154 in	8-SOIC	3.9 mm	EEPROM	EEPROM	Surface Mount	400 kHz	5 ms	5 ms

Pricing

Prices provided here are for design reference only. For realtime values and availability, please visit the distributors directly

Distributor	Package	Quantity	$

Digikey	Bulk	339	$ 0.89
	N/A	42000	$ 1.30

Description

General part information

R1EX24004 Series

R1EX24xxx series are two-wire serial interface EEPROM (Electrically Erasable and Programmable ROM). They realize High-Speed, low power consumption and a high level of reliability by employing advanced MONOS memory technology and CMOS process and low voltage circuitry technology. They also have a 16-byte page programming function to make their write operation faster.

Documents

Technical documentation and resources

R1EX24004ASAS0A R1EX24004ATAS0A Datasheet

Datasheet