AT93C46D Series

1Kb Microwire (3-wire) Serial EEPROM

Catalog

1Kb Microwire (3-wire) Serial EEPROM

Part	Write Cycle Time - Word, Page	Memory Organization [custom]	Memory Size	Mounting Type	Memory Interface	Clock Frequency	Voltage - Supply [Min]	Voltage - Supply [Max]	Memory Type	Supplier Device Package	Technology	Package / Case	Package / Case [y]	Package / Case [x]	Operating Temperature [Max]	Operating Temperature [Min]	Memory Format	Memory Organization	Package / Case	Package / Case	Package / Case [custom]	Package / Case [custom]
Microchip Technology AT93C46R-10SI-2.7	10 ms	64 128	128 B	Surface Mount	3-Wire Serial	2 MHz	2.7 V	5.5 V	Non-Volatile	8-SOIC	EEPROM	8-SOIC	3.9 mm	0.154 in	85 °C	-40 °C	EEPROM
Microchip Technology AT93C46EN-SH-T	5 ms		128 B	Surface Mount	3-Wire Serial	2 MHz	1.8 V	5.5 V	Non-Volatile	8-SOIC	EEPROM	8-SOIC	3.9 mm	0.154 in	85 °C	-40 °C	EEPROM	64 x 16
Microchip Technology AT93C46Y1-10YU-1.8	10 ms	64 128	128 B	Surface Mount	3-Wire Serial	2 MHz	1.8 V	5.5 V	Non-Volatile	8-MAP (3x4.9)	EEPROM	8-VDFN Exposed Pad			85 °C	-40 °C	EEPROM
Microchip Technology AT93C46W-10SI-1.8	10 ms	64 128	128 B	Surface Mount	3-Wire Serial	2 MHz	1.8 V	5.5 V	Non-Volatile	8-SOIC	EEPROM	8-SOIC	3.9 mm	0.154 in	85 °C	-40 °C	EEPROM
Microchip Technology AT93C46D-PU	5 ms	64 128	128 B	Through Hole	3-Wire Serial	2 MHz	1.8 V	5.5 V	Non-Volatile	8-PDIP	EEPROM	8-DIP			85 °C	-40 °C	EEPROM		0.3 in	7.62 mm
Microchip Technology AT93C46-10TU-2.7	10 ms	64 128	128 B	Surface Mount	3-Wire Serial	2 MHz	2.7 V	5.5 V	Non-Volatile	8-TSSOP	EEPROM	8-TSSOP			85 °C	-40 °C	EEPROM				0.173 "	4.4 mm
Microchip Technology AT93C46D-TH-T	5 ms	64 128	128 B	Surface Mount	3-Wire Serial	2 MHz	1.8 V	5.5 V	Non-Volatile	8-TSSOP	EEPROM	8-TSSOP			85 °C	-40 °C	EEPROM				0.173 "	4.4 mm
Microchip Technology AT93C46-10SC	10 ms	64 128	128 B	Through Hole	3-Wire Serial	2 MHz	4.5 V	5.5 V	Non-Volatile	8-PDIP	EEPROM	8-DIP			70 °C	0 °C	EEPROM		0.3 in	7.62 mm
Microchip Technology AT93C46Y1-10YU-1.8-T	10 ms	64 128	128 B	Surface Mount	3-Wire Serial	2 MHz	1.8 V	5.5 V	Non-Volatile	8-MAP (3x4.9)	EEPROM	8-VDFN Exposed Pad			85 °C	-40 °C	EEPROM
Microchip Technology AT93C46R-10SC-2.7	10 ms	64 128	128 B	Surface Mount	3-Wire Serial	2 MHz	2.7 V	5.5 V	Non-Volatile	8-SOIC	EEPROM	8-SOIC	3.9 mm	0.154 in	70 °C	0 °C	EEPROM

Key Features

• + User selectable 128 x 8 or 64 x 16 Organization (1 Kbit)

• + Industry Standard Microwire Serial I/O

• + Up to 2 MHz clock compatibility

• + Self-Timed Erase and Write Cycles (5 ms max.)

• + Read current 0.5 mA (Typ), 2.0 mA (Max)

• + Write current 0.5 mA (Typ),2.0 mA (Max)

• + Standby current 10.0 uA (Typ), 15.0 uA (Max)

• + Software Write-Protection

• + More than 1 million erase/write cycles

• + Data retention > 100 years

• + Grade 1 Temperature Range: -40°C to 125°C

• + Qualified for Automotive Applications

• + Factory Programming Available

• + Available in 8-pin SOIC (150 mil), 8-pin TSSOP, 8-pad UDFN, 8-pin PDIP, and 8-ball VFBGA packages

Description

The Microchip AT93C46D is a 1 Kb Microwire (3-wire) Serial EEPROM organized as either 128 x 8 or 64 x 16, selectable in hardware using the ORG pin. The device is optimized for use in consumer, industrial, and automotive applications where reliable and dependable nonvolatile memory storage is essential. The EEPROM is available in a variety of space-saving packaging options.