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PDF AK93C75B Data sheet ( Hoja de datos )
| Número de pieza | AK93C75B | |
| Descripción | 1K / 2K / 4K / 8KBIT SERIAL CMOS EEPROM | |
| Fabricantes | Asahi Kasei Microsystems | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de AK93C75B (archivo pdf) en la parte inferior de esta página. Total 14 Páginas | ||
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ASAHI KASEI
[AK93C45B/55B/65B/75B]
AK93C45B / 55B / 65B / 75B
1K / 2K / 4K / 8Kbit Serial CMOS EEPROM
Features
ADVANCED CMOS EEPROM TECHNOLOGY
READ/WRITE NON-VOLATILE MEMORY
WIDE VCC OPERATION Vcc = 1.8V 5.5V
AK93C45B 1024 bits, 64 16 organization
AK93C55B 2048 bits, 128 16 organization
AK93C65B 4096 bits, 256 16 organization
AK93C75B 8192 bits, 512 16 organization
SERIAL INTERFACE
- Interfaces with popular microcontrollers and standard microprocessors
LOW POWER CONSUMPTION
- 0.8A Max. Standby
HIGH RELIABILITY
-Endurance
: 100K cycles
-Data Retention : 10 years
Automatic address increment (READ)
Automatic write cycle time-out with auto-ERASE
Busy/Ready status signal
Software controlled write protection
IDEAL FOR LOW DENSITY DATA STORAGE
- Low cost, space saving, 8-pin package (MSOP)
DAM04E-01
Block Diagram
-1-
1999/10
1 page  
ASAHI KASEI
[AK93C45B/55B/65B/75B]
Write
The write instruction is followed by 16 bits of data to be written into the specified address. After the last bit of
data is put on the DI pin, the CS pin must be brought low before the next rising edge of the SK clock. This
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 250ns (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.
WRITE (AK93C45B)
*Address bit A7 becomes a “don’t care” for AK93C55B.
WRITE (AK93C55B/65B)
DAM04E-01
WRITE (AK93C75B)
-5-
1999/10
5 Page 
ASAHI KASEI
[AK93C45B/55B/65B/75B]
(2) A.C. ELECTRICAL CHARACTERISTICS
( 1.8VVcc5.5V, -40CTa85C, unless otherwise specified )
Parameter
Symbol
Condition
SK Cycle Time
tSKP1 4.5VVCC5.5V
tSKP2 2.0VVCC<4.5V
tSKP3 1.8VVCC<2.0V
SK Pulse Width
tSKW1 4.5VVCC5.5V
tSKW2 2.0VVCC<4.5V
tSKW3 1.8VVCC<2.0V
CS Setup Time
tCSS
CS Hold Time
tCSH
Data Setup Time
tDIS
Data Hold Time
tDIH
Output delay *7
tPD1
tPD2
4.5VVCC5.5V
2.0VVCC<4.5V
tPD3 1.8VVCC<2.0V
Selftimed Programming Time tE/W1 93C45B/55B/65B
tE/W2 93C75B 4.5VVCC5.5V
tE/W3
1.8VVCC<4.5V
Min CS Low Time
tCS
CS to Status Valid
tSV CL=100pF
CS to Output High-Z
*7: CL=100pF
tOZ1
tOZ2
2.0VVCC5.5V
1.8VVCC<2.0V
Min. Max. Unit
1.0 us
2.0 us
4.0 us
500 ns
1.0 us
2.0 us
100 ns
0 ns
200 ns
200 ns
500 ns
1.0 us
2.0 us
10 ms
8 ms
10 ms
250 ns
500 ns
100 ns
250 ns
DAM04E-01
- 11 -
1999/10
11 Page | ||
| Páginas | Total 14 Páginas | |
| PDF Descargar | [ Datasheet AK93C75B.PDF ] | |
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