This X24C01A device has been acquired by
IC MICROSYSTEMS from Xicor, Inc.
1K
ICmic
TM
IC MICROSYSTEMS
X24C01A
Serial E PROM
2
DESCRIPTION
128 x 8 Bit
FEATURES
•
2.7V to 5.5V Power Supply
•
Low Power CMOS
—Active Current Less Than 1 mA
—Standby Current Less Than 50 µA
•
Internally Organized 128 x 8
The X24C01A is a CMOS 1024 bit serial E PROM,
internally organized 128 x 8. The X24C01A features a
serial interface and software protocol allowing operation on a
simple two wire bus. Three address inputs allow up
2
to eight devices to share a common two wire bus.
Xicor E PROMs are designed and tested for applications
requiring extended endurance. Inherent data retention
is greater than 100 years. Available in an eight pin DIP and
SOIC package.
2
•
Self Timed Write Cycle
—Typical Write Cycle Time of 5 ms
•
2 Wire Serial Interface
—Bidirectional Data Transfer Protocol
•
Four Byte Page Write Operation
—Minimizes Total Write Time Per Byte
•
High Reliability
—Endurance: 100,000 Cycles
—Data Retention: 100 Years
•
New Hardwire – Write Control Function
FUNCTIONAL DIAGRAM
(8) V
CC
(4) V
SS
(7) WC
START CYCLE
(5) SDA
START
STOP
H.V. GENERATION
TIMING
& CONTROL
LOGIC
CONTROL
LOGIC
SLAVE ADDRESS
REGISTER
(6) SCL
(3) A2
(2) A1
(1) A0
+COMPARATOR
LOAD
INC
XDEC
E PROM
32x32
2
WORD
ADDRESS
COUNTER
R/W
YDEC
8
CK
PIN
DATA REGISTER
D
OUT
D
OUT
ACK
3841 FHD F01
© Xicor, 1991 Patents Pending
3841-1
1
Characteristics subject to change without notice