AK93C65CU

AK93C65CU Datasheet


[AK93C45C/55C/65C]

Part Datasheet
AK93C65CU AK93C65CU AK93C65CU (pdf)
Related Parts Information
AK93C55CU AK93C55CU AK93C55CU
AK93C45CU AK93C45CU AK93C45CU
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ASAHI KASEI
[AK93C45C/55C/65C]

AK93C45C/55C/65C
1K/2K/4Kbit Serial CMOS EEPROM

ADVANCED CMOS EEPROM TECHNOLOGY READ/WRITE NON-VOLATILE MEMORY WIDE VCC OPERATION VCC = 1.5V to 5.5V READ

VCC = 1.6V to 5.5V WRITE/WRAL/PAGE WRITE AK93C45C bits, 64 x 16 organization

AK93C55C bits, 128 x 16 organization AK93C65C bits, 256 x 16 organization SERIAL INTERFACE - Interfaces with popular microcontrollers and standard microprocessors LOW POWER CONSUMPTION - 0.8µA Max. Standby High Reliability - Endurance 1000K E/W cycles / Address - Data Retention 10 years Automatic address increment READ Automatic write cycle time-out with auto-ERASE Busy/Ready status signal Software and Hardware controlled write protection IDEAL FOR LOW DENSITY DATA STORAGE - Low cost, space saving, 8-pin package TMSOP, SON, USON

INSTRUCTION REGISTER

CS SK PE

INSTRUCTION DECODE, CONTROL AND CLOCK

GENERATION

DATA

REGISTER

R/W AMPS

AUTO ERASE

EEPROM

ADD. BUFFERS

DECODER
93C45C=1024bit 93C55C=2048bit 93C65C=4096bit

VPP SW

VREF

VPP GENERATOR

DAM06E-01

Block Diagram -1-
2005/10

ASAHI KASEI
[AK93C45C/55C/65C]

The AK93C45C/55C/65C is a 1024/2048/4096-bit serial CMOS EEPROM divided into 64/128/256 registers of 16 bits each. The AK93C45C/55C/65C has 6 instructions such as READ, WRITE, PAGE WRITE, EWEN, EWDS and WRAL. Those instructions control the AK93C45C/55C/65C. The AK93C45C/55C/65C can operate full function under wide operating voltage range. The charge up circuit is integrated for high voltage generation that is used for write operation. A serial interface of AK93C45C/55C/65C, consisting of chip select CS , serial clock SK , data-in DI and data-out DO , can easily be controlled by popular microcontrollers or standard microprocessors. AK93C45C/55C/65C takes in the write data from data input pin DI to a register synchronously with rising edge of input pulse of serial clock pin SK . And at read operation, AK93C45C/55C/65C takes out the read data from a register to data output pin DO synchronously with rising edge of SK. The DO pin is usually in high impedance state. The DO pin outputs "L" or "H" in case of data output or Busy/Ready signal output.
x Software controlled write protection When VCC is applied to the part, the part automatically powers up in the ERASE/WRITE Disable state. In the ERASE/WRITE disable state, execution of WRITE, PAGE WRITE, WRAL instruction is disabled. Before WRITE, PAGE WRITE, WRAL instruction is executed, EWEN instruction must be executed. The ERASE/WRITE enable state continues until EWDS instruction is executed or VCC is removed from the part. Execution of a read instruction is independent of both EWEN and EWDS instructions. The PE is internally pulled up to VCC. If the PE is left unconnected, the part will accept WRITE, PAGE WRITE, WRAL, EWEN and EWDS instructions.
x Busy/Ready status signal After a WRITE, PAGE WRITE, WRAL instruction, the DO output serves as a Busy/Ready status indicator. After the falling edge of the CS initiates the self-timed programming cycle, the DO indicates the Busy/Ready status of the chip if the CS is brought high after a minimum of ‘tCS’. DO=logical "0" indicates that programming is still in progress. DO=logical "1" indicates that the register at the address specified in the instruction has been written with the new data pattern contained in the instruction and the part is ready for a next instruction. The Busy/Ready status indicator is only valid when CS is active high . When CS is low, the DO output goes into a high impedance state. The Busy/Ready signal outputs until a start bit Logic"1" of the next instruction is given to the part.

DAM06E-01
2005/10

ASAHI KASEI
[AK93C45C/55C/65C]
- Type of Products

Model AK93C45CT AK93C45CL AK93C45CU AK93C55CT AK93C55CL AK93C55CU AK93C65CT AK93C65CL AK93C65CU

Memory size 1K bits 2K bits 4K bits

Temp. Range -40°C to +85°C -40°C to +85°C -40°C to +85°C -40°C to +85°C -40°C to +85°C -40°C to +85°C -40°C to +85°C -40°C to +85°C -40°C to +85°C

VCC 1.5V to 5.5V 1.5V to 5.5V 1.5V to 5.5V 1.5V to 5.5V 1.5V to 5.5V 1.5V to 5.5V 1.5V to 5.5V 1.5V to 5.5V 1.5V to 5.5V

Package 8pin Plastic TMSOP 8pin Plastic SON 8pin Plastic USON 8pin Plastic TMSOP 8pin Plastic SON 8pin Plastic USON 8pin Plastic TMSOP 8pin Plastic SON 8pin Plastic USON

Pin Arrangement
More datasheets: 634 | 50644-1540FB | 50644-1600FD | 50644-1600E | 50644-1600ED | 50644-1540E | AT83SND2CMP3A1-7FTUL | 1009AC-60 | 1009-58 | 1009-54


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Datasheet ID: AK93C65CU 515935