X24164
Information
Preliminary
16K
X24164
Serial E
2
PROM
2048 x 8 Bit
FEATURES
DESCRIPTION
The X24164 is a CMOS 16,384 bit serial E
2
PROM,
internally organized 2048 x 8. The X24164 features a
serial interface and software protocol allowing operation
on a simple two wire bus.
Three device select inputs (S
0
–S
2
) 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.
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2.7V to 5.5V Power Supply
Low Power CMOS
—Active Read Current Less Than 1 mA
—Active Write Current Less Than 3 mA
—Standby Current Less Than 50
µ
A
Internally Organized 2048 x 8
2 Wire Serial Interface
—Bidirectional Data Transfer Protocol
Sixteen Byte Page Write Mode
—Minimizes Total Write Time Per Byte
Self Timed Write Cycle
—Typical Write Cycle Time of 5 ms
High Reliability
—Endurance: 100,000 Cycles
—Data Retention: 100 Years
Pin and Function Compatible with X24C16
8-Pin Plastic DIP and 8-Lead SOIC Packages
FUNCTIONAL DIAGRAM
(8) VCC
(4) VSS
(5) SDA
START
STOP
LOGIC
CONTROL
LOGIC
SLAVE ADDRESS
REGISTER
+COMPARATOR
XDEC
E
2
PROM
128 X 128
START CYCLE
H.V. GENERATION
TIMING
& CONTROL
(6) SCL
(3) S2
(2) S1
(1) S0
LOAD
INC
WORD
ADDRESS
COUNTER
R/W
YDEC
8
CK
PIN
DOUT
ACK
3846 FHD F01
DATA REGISTER
DOUT
© Xicor, 1991 Patents Pending
3846-1.2 7/30/96 T0/C1/D1 SH
1
Characteristics subject to change without notice
XICOR [ XICOR INC. ]
