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DS1338 I2C RTC with 56-Byte NV RAM
5 of 16
Figure 2. Timing Diagram
Figure 3. Block Diagram
RAM
(56 X 8)
SERIAL BUS
INTERFACE
AND ADDRESS
REGISTER
CONTROL
LOGIC
1Hz
1Hz/4.096kHz/8.192kHz/32.768kHz
MUX/
BUFFER
USER BUFFER
(7 BYTES)
CLOCK,
CALENDAR,
AND CONTROL
REGISTERS
"C" VERSION ONLY
POWER
CONTROL
DS1338
X1
C
L
CL
X2
SDA
SCL
SQW/OUT
V
CC
GND
V
BAT
Oscillator
and divider
N
鐩搁棞(gu膩n)PDF璩囨枡
PDF鎻忚堪
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DS1338U-18 鍔熻兘鎻忚堪:瀵�(sh铆)鏅�(sh铆)鏅�(sh铆)閻� I2C Serial RTC w/56 Byte NV RAM RoHS:鍚� 鍒堕€犲晢:Microchip Technology 鍔熻兘:Clock, Calendar. Alarm RTC 绺界窔鎺ュ彛:I2C 鏃ユ湡鏍煎紡:DW:DM:M:Y 鏅�(sh铆)闁撴牸寮�:HH:MM:SS RTC 瀛樺劜(ch菙)瀹归噺:64 B 闆绘簮闆诲-鏈€澶�:5.5 V 闆绘簮闆诲-鏈€灏�:1.8 V 鏈€澶у伐浣滄韩搴�:+ 85 C 鏈€灏忓伐浣滄韩搴�: 瀹夎棰�(f膿ng)鏍�:Through Hole 灏佽 / 绠遍珨:PDIP-8 灏佽:Tube
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DS1338U-18+T&R 鍒堕€犲晢:Maxim Integrated Products 鍔熻兘鎻忚堪:SERIAL RTC 8PIN USOP 1.8V T&R - Tape and Reel 鍒堕€犲晢:Maxim Integrated Products 鍔熻兘鎻忚堪:IC RTC 56BYTE NV RAM 1.8V 8-USOP
DS1338U-3 鍔熻兘鎻忚堪:瀵�(sh铆)鏅�(sh铆)鏅�(sh铆)閻� I2C Serial RTC w/56 Byte NV RAM RoHS:鍚� 鍒堕€犲晢:Microchip Technology 鍔熻兘:Clock, Calendar. Alarm RTC 绺界窔鎺ュ彛:I2C 鏃ユ湡鏍煎紡:DW:DM:M:Y 鏅�(sh铆)闁撴牸寮�:HH:MM:SS RTC 瀛樺劜(ch菙)瀹归噺:64 B 闆绘簮闆诲-鏈€澶�:5.5 V 闆绘簮闆诲-鏈€灏�:1.8 V 鏈€澶у伐浣滄韩搴�:+ 85 C 鏈€灏忓伐浣滄韩搴�: 瀹夎棰�(f膿ng)鏍�:Through Hole 灏佽 / 绠遍珨:PDIP-8 灏佽:Tube
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