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X24012SI-3T1 参数 Datasheet PDF下载

X24012SI-3T1图片预览
型号: X24012SI-3T1
PDF下载: 下载PDF文件 查看货源
内容描述: [EEPROM, 128X8, Serial, CMOS, PDSO8, PLASTIC, SOIC-8]
分类和应用: 可编程只读存储器电动程控只读存储器电可擦编程只读存储器时钟光电二极管内存集成电路
文件页数/大小: 13 页 / 141 K
品牌: XICOR [ XICOR INC. ]
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Preliminary Information
X24012 Connect
Pin 7 No
1K
X24012
Serial E
2
PROM
DESCRIPTION
128 x 8 Bit
FEATURES
2.7 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
The X24012 is a CMOS 1024 bit serial E
2
PROM,
internally organized as one 128 x 8 bank. The X24012
features a serial interface and software protocol allow-
ing 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. The X24012 is avail-
able in eight pin DIP and SOIC packages.
FUNCTIONAL DIAGRAM
(8) VCC
(4) VSS
START CYCLE
(5) SDA
START
STOP
LOGIC
CONTROL
LOGIC
SLAVE ADDRESS
REGISTER
+COMPARATOR
XDEC
E
2
PROM
32 X 32
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
3847 FHD F01
DATA REGISTER
DOUT
© Xicor, 1991 Patents Pending
3847-1
1
Characteristics subject to change without notice