This X24026 device has been acquired by
IC MICROSYSTEMS from Xicor, Inc.
ICmic
TM
IC MICROSYSTEMS
2K
X24026
Serial E2PROM
DESCRIPTION
256 x 8 Bit
FEATURES
•2.7V to 5.5V Power Supply
•Low Power CMOS
—Active Current Less Than 1mA
—Standby Current Less Than 50µA
•Internally Organized 256 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
The X24026 is a CMOS 2048 bit serial E PROM, internally
organized 256 x 8. The X24026 features a serial
interface and software protocol allowing operation on a
simple 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 DICE form with ISO
7816 compatible pin out.
2
2
—ESD Protection > 2KV
FUNCTIONAL DIAGRAM
V
CC
V
SS
START CYCLE
SDA
START
STOP
H.V. GENERATION
TIMING
& CONTROL
LOGIC
CONTROL
LOGIC
SLAVE ADDRESS
REGISTER
SCL
+COMPARATOR
LOAD
INC
XDEC
E PROM
64 X 32
2
WORD
ADDRESS
COUNTER
R/W
YDEC
8
CK
PIN
DATA REGISTER
D
OUT
D
OUT
ACK
7020 FRM 01
∧Xicor,
Inc. 1994, 1995, 1996 Patents
Pending 7020-1.2 2/24/97 T1/C0/D2 SH
1
Characteristics subject to change without notice
ICMIC [ IC MICROSYSTEMS ]
