SUMMIT MICROELECTRONICS, Inc.
•
300 Orchard City Drive, Suite 131
•
Campbell, CA 95008
•
Telephone 408-378-6461
•
Fax 408-378-6586
•
www.summitmicro.com
1
© SUMMIT MICROELECTRONICS, Inc. 1998
2008 1.4 5/15/98
Characteristics subject to change without notice
SUMMIT
MICROELECTRONICS, Inc.
FEATURES
•
Voltage Protection™
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Precision Low-VCC Write Lockout
•
All Write Operations Inhibited When VCC Falls
below VLOCK
•
One 3Volt and Two 5Volt System Versions
–VLOCK = 2.6V+.1V/-.05V
–VLOCK = 4.25V +.25V/-0.0V
–VLOCK = 4.50 +.25V/-0.0V
•
100% Compatible with Industry Standard I2C™
Devices
– Bi-directional data transfer protocol
– Standard 100kHz and 400kHz Transfer Rates
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16-Byte Page-Write Mode
– Minimizes total write time per byte
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1,000,000 Program/Erase Cycles
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100 Year Data Retention
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Commercial Industrial Temperature Range
4K Serial E2PROM with a Precision Low-VCC Lockout Circuit
S24VP04
OVERVIEW
The S24VP04 is a 4K-bit serial E2PROM memory inte-
grated with a precision VCC sense circuit. The sense
circuit will disable write operations whenever VCC falls
below the VLOCK voltage. It is fabricated using SUMMIT’s
advanced CMOS E2PROM technology and is suitable for
both 3 and 5 volt systems.
The S24VP04 is internally organized as 512 x 8. It fea-
tures the I2C serial interface and software protocol allow-
ing operation on a simple two-wire bus.
BLOCK DIAGRAM
3 and 5 Volt Systems
+
-
7
2
VCC
8
NC
SDA
NC
SCL
1
6
3
4
5
GND
NC
NC
2008 ILL2 1.2
E2PROM
MEMORY
ARRAY
ADDRESS
DECODER
WRITE
CONTROL
RESET
CONTROL
RESET
PULSE
GENERATOR
5KHz
Oscillator
VTRIP
1.26V
MODE
DECODE
DATA I/O
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