DS1338 I2C RTC with 56-Byte NV RAM 14 of 16 Figure 6. Data Write鈥擲lave Receiver " />
鍙冩暩(sh霉)璩囨枡
鍨嬭櫉锛� DS1338C-18#
寤犲晢锛� Maxim Integrated Products
鏂囦欢闋佹暩(sh霉)锛� 6/16闋�
鏂囦欢澶�?銆�?/td> 0K
鎻忚堪锛� IC RTC 56BIT NV SRAM 16-SOIC
鐢�(ch菐n)鍝佸煿瑷�(x霉n)妯″锛� Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
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椤炲瀷锛� 鏅傞悩/鏃ユ
鐗归粸锛� 闁忓勾锛孨VSRAM锛屾柟娉㈣几鍑�
瀛樺劜瀹归噺锛� 56B
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闆绘簮闆诲锛� 1.71 V ~ 5.5 V
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灏佽/澶栨锛� 16-SOIC锛�0.295"锛�7.50mm 瀵級
渚涙噳(y墨ng)鍟嗚ō(sh猫)鍌欏皝瑁濓細 16-SOIC W
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DS1338 I2C RTC with 56-Byte NV RAM
14 of 16
Figure 6. Data Write鈥擲lave Receiver Mode
Figure 7. Data Read (From Current Pointer Location)鈥擲lave Transmitter Mode
Figure 8. Data Read (Write Pointer, Then Read鈥擲lave Receive and Transmit
...
A
XXXXXXXX
A
1101000
S
1
XXXXXXXX A XXXXXXXX
XXXXXXXX A P
<Data (n+2)>
<Data (n+X)>
A
S - START
A - ACKNOWLEDGE (ACK)
P - STOP
A - NOT ACKNOWLEDGE (NACK)
<R
/W
>
DATA TRANSFERRED
(X+1 BYTES + ACKNOWLEDGE)
NOTE: LAST DATA BYTE IS FOLLOWED BY A NACK
<Slave Address>
<Data (n)>
<Data (n+1)>
MASTER TO SLAVE
SLAVE TO MASTER
...
A
XXXXXXXX
XXXXXXXX A XXXXXXXX A
XXXXXXXX A P
S - START
SR - REPEATED START
A - ACKNOWLEDGE (ACK)
P - STOP
A
- NOT ACKNOWLEDGE (NACK)
DATA TRANSFERRED
(X+1 BYTES + ACKNOWLEDGE)
NOTE: LAST DATA BYTE IS FOLLOWED BY A NACK
A
XXXXXXXX
A
1101000
S
0
<R/
W
>
<Word Address (n)>
A
1101000
Sr
1
<R/
W
>
<Slave Address>
<Data (n)>
<Data (n+1)>
<Data (n+2)>
<Data (n+X)>
MASTER TO SLAVE
SLAVE TO MASTER
...
A
XXXXXXXX
A
S
0
XXXXXXXX A XXXXXXXX A
XXXXXXXX A P
S - START
A - ACKNOWLEDGE (ACK)
P - STOP
<R/
W
>
DATA TRANSFERRED
(X+1 BYTES + ACKNOWLEDGE)
1101000
<Slave Address>
<Word Address (n)>
<Data (n)>
<Data (n+1)>
<Data (n+X)>
MASTER TO SLAVE
SLAVE TO MASTER
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DS1338C-3# 鍔熻兘鎻忚堪:瀵︽檪鏅傞悩 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 鏅傞枔鏍煎紡:HH:MM:SS RTC 瀛樺劜瀹归噺: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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