AK6440BL Datasheet, PDF (1/13 Pages) Asahi Kasei Microsystems – 4096bit Serial CMOS EEPROM

ASAHI KASEI
[AK6440B]
AK6440B
4096bit Serial CMOS EEPROM
Features
 ADVANCED CMOS EEPROM TECHNOLOGY
 Wide VCC (1.8V ~ 5.5V) operation
 4096 bits: 256×16 organization
 ONE CHIP MICROCOMPUTER INTERFACE
- Interface with one chip microcomputer's serial communication port directly
 LOW POWER CONSUMPTION
- 0.75mA Max. (Read operation)
- 0.8µA Max. (Standby mode)
 HIGH RELIABILITY
- Endurance
: 100K cycles
- Data Retention : 10 years
 SPECIAL FEATURES
- High speed operation ( f_MAX=1MHz: VCC=2.5V )
- Automatic write cycle time-out with auto-ERASE
- Automatic address increment (READ)
- Software and Hardware controlled write protection
 IDEAL FOR LOW DENSITY DATA STORAGE
- Low cost, space saving, 8-pin package (MSOP, SON)
DI
INSTRUCTION
REGISTER
CS
SK
INSTRUCTION
DECODE,
CONTROL
AND
CLOCK
GENERATION
DATA
REGISTER
16
R/W AMPS
16
AND
AUTO ERASE
ADD.
BUFFERS
DECODER
DO
EEPROM
4096bit
256 ×16
VPP SW
RESET
VREF
VPP
GENERATOR
DAS03E-01
Block diagram
-1-
2012/09