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PDF IS93C66-3 Data sheet ( Hoja de datos )
| Número de pieza | IS93C66-3 | |
| Descripción | 4096-BIT SERIAL ELECTRICALLY ERASABLE PROM | |
| Fabricantes | ISSI | |
| Logotipo |  |
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IS93C66-3
4,096-BIT SERIAL ELECTRICALLY
ERASABLE PROM
ISSI ®
MARCH 2001
FEATURES
OVERVIEW
• State-of-the-art architecture
The IS93C66-3 is a low cost 4,096-bit, non-volatile, serial
— Non-volatile data storage
E2PROM. It is fabricated using ISSI's advanced CMOS
— Low voltage operation:
E2PROM technology. The IS93C66-3 provides efficient
3.0V (Vcc = 2.7V to 6.0V)
— Full TTL compatible inputs and outputs
— Auto increment for efficient data dump
• Low voltage read operation
— Down to 2.7V
non-volatile read/write memory arranged as 256 registers
of 16 bits each. Seven 11-bit instructions control the
operation of the device, which includes read, write, and
mode enable functions. The data out pin (DOUT) indicates
the status of the device during in the self-timed non-volatile
programming cycle.
• Hardware and software write protection
— Defaults to write-disabled state at power-up
The self-timed write cycle includes an automatic erase-
before-write capability. To protect against inadvertent
— Software instructions for write-enable/disable
writes, the WRITE instruction is accepted only while the
• Advanced low voltage CMOS E2PROM
chip is in the write enabled state. Data is written in 16 bits
technology
• Versatile, easy-to-use interface
— Self-timed programming cycle
— Automatic erase-before-write
— Programming status indicator
per write instruction into the selected register. If Chip
Select (CS) is brought HIGH after initiation of the write cycle,
the Data Output (DOUT) pin will indicate the READY/BUSY
status of the chip.
APPLICATIONS
DataShee
— Word and chip erasable
— Stop SK anytime for power savings
The IS93C66-3 is ideal for high-volume applications
DataSheet4U.rceoqmuiring low power and low density storage. This device
• Durable and reliable
— 10-year data retention after 100K write cycles
— 100,000 write cycles
uses a low cost, space saving 8-pin package. Candidate
applications include robotics, alarm devices, electronic
locks, meters and instrumentation settings.
— Unlimited read cycles
FUNCTIONAL BLOCK DIAGRAM
INSTRUCTION
DIN REGISTER
(11 BITS)
CS
SK
INSTRUCTION
DECODE,
CONTROL,
AND
CLOCK
GENERATION
DATA
REGISTER
(16 BITS)
ADDRESS
REGISTER
WRITE
ENABLE
DUMMY
BIT
R/W
AMPS
1 OF 256
DECODER
HIGH VOLTAGE
GENERATOR
DOUT
EEPROM
ARRAY
(256 X 16)
ISSI reserves the right to make changes to its products at any time without notice in order to improve design and supply the best possible product. We assume no responsibility for any
DataSheet4U.comerrors which may appear in this publication. © Copyright 2001, Integrated Silicon Solution, Inc.
Integrated Silicon Solution, Inc. — 1-800-379-4774
Rev. G
04/26/01
DataSheet4 U .com
1
1 page  
www.DataSheet4U.com
IS93C66-3
ISSI ®
DC ELECTRICAL CHARACTERISTICS
TA = 0°C to +70°C for IS93C66-3 and –40°C to +85°C for IS93C66-3I.
Symbol
VOL
VOL1
VOH
VOH1
VIH
Parameter
Output LOW Voltage
Output LOW Voltage
Output HIGH Voltage
Output HIGH Voltage
Input HIGH Voltage
VIL Input LOW Voltage
ILI Input Leakage
ILO Output Leakage
Test Conditions
IOL = 10 µA CMOS
IOL = 2.1 mA TTL
IOH = –10 µA CMOS
IOH = –400 µA TTL
VIN = 0V to VCC (CS, SK, DIN)
VOUT = 0V to VCC, CS = 0V
Vcc
2.7V to 3.3V
4.5V to 5.5V
2.7V to 3.3V
4.5V to 5.5V
2.7V to 3.3V
4.5V to 5.5V
2.7V to 3.3V
4.5V to 5.5V
Min.
—
—
VCC – 0.2
2.4
2.4
2
–0.1
–0.1
1
1
Max.
0.2
0.4
—
—
VCC
VCC
0.6
0.8
1
1
Unit
V
V
V
V
V
V
µA
µA
et4U.com
POWER SUPPLY CHARACTERISTICSDataSheet4U.com
TA = 0°C to +70°C for IS93C66-3 and –40°C to +85°C for IS93C66-3I.
Symbol
ICC
ICC
ISB
Parameter
Vcc Operating
Supply Current
Vcc Operating
Supply Current
Standby Current
Test Conditions
CS = VIH, SK = 1 MHz
CMOS Input Levels
CS = VIH, SK = 1 MHz
CMOS Input Levels
CS = DIN = SK = 0V
Vcc
2.7V to 3.3V
4.5V to 5.5V
2.7V to 3.3V
4.5V to 5.5V
DataShee
IS93C66-3
Min. Typ. Max.
— 0.5 2
IS93C66-3I
Min. Typ. Max.
— 0.5 2
Unit
mA
—4 6
— 4 6 mA
— 2 10
— 10 50
— 2 10
— 10 50
µA
DataSheet4U.com
Integrated Silicon Solution, Inc. — 1-800-379-4774
Rev. G
04/26/01
DataSheet 4 U .com
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