Preliminary
X24C01A
Information
1K
X24C01A
Serial E
2
PROM
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
µ
A
Internally Organized 128 x 8
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
The X24C01A is a CMOS 1024 bit serial E
2
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
to eight devices to share a common two wire bus.
Xicor E
2
PROMs are designed and tested for applica-
tions requiring extended endurance. Inherent data re-
tention is greater than 100 years. Available in an eight
pin DIP and SOIC package.
FUNCTIONAL DIAGRAM
(8) VCC
(4) VSS
(7) WC
START CYCLE
(5) SDA
START
STOP
LOGIC
CONTROL
LOGIC
SLAVE ADDRESS
REGISTER
+COMPARATOR
XDEC
E
2
PROM
32x32
H.V. GENERATION
TIMING
& CONTROL
(6) SCL
(3) A2
(2) A1
(1) A0
LOAD
INC
WORD
ADDRESS
COUNTER
R/W
YDEC
8
CK
PIN
DOUT
ACK
DATA REGISTER
DOUT
3841 FHD F01
© Xicor, 1991 Patents Pending
3841-1
1
Characteristics subject to change without notice
XICOR [ XICOR INC. ]
