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鍙冩暩(sh霉)璩囨枡
鍨嬭櫉锛� DS1556P-70
寤犲晢锛� Maxim Integrated Products
鏂囦欢闋佹暩(sh霉)锛� 8/18闋�
鏂囦欢澶�?銆�?/td> 0K
鎻忚堪锛� IC RTC RAM Y2K 5V 70NS 34-PCM
妯欐簴鍖呰锛� 40
椤炲瀷锛� 鏅傞悩/鏃ユ
鐗归粸锛� 璀﹀牨鍣�锛岄枏骞�锛孨VSRAM锛岀洠(ji膩n)瑕栬▓鏅傚櫒锛孻2K
瀛樺劜瀹归噺锛� 128KB
鏅傞枔鏍煎紡锛� HH:MM:SS锛�24 灏忔檪锛�
鏁�(sh霉)鎿�(j霉)鏍煎紡锛� YY-MM-DD-dd
鎺ュ彛锛� 骞惰伅(li谩n)
闆绘簮闆诲锛� 4.5 V ~ 5.5 V
闆诲 - 闆绘簮锛岄浕姹狅細 3V
宸ヤ綔婧害锛� 0°C ~ 70°C
瀹夎椤炲瀷锛� 琛ㄩ潰璨艰
灏佽/澶栨锛� 34-PowerCap? 妯″
渚涙噳鍟嗚ō鍌欏皝瑁濓細 34-PowerCap 妯″
鍖呰锛� 鎵樼洡
DS1556 1M, Nonvolatile, Y2K-Compliant Timekeeping RAM
16 of 18
POWER-UP/DOWN CHARACTERISTICS鈥�3.3V
(VCC = 3.3V 10%, Over the Operating Range.)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
CE or WE at V
IH, Before
Power-Down
tPD
0
s
VCC Fall Time: VPF(MAX) to VPF(MIN)
tF
300
s
VCC Rise Time: VPF(MIN) to VPF(MAX)
tR
0
s
VPF to RST High
tREC
40
200
ms
Expected Data-Retention Time
(Oscillator On)
tDR
(Notes 6, 7)
10
years
Figure 9. Power-Up/Down Waveform Timing (3.3V Device)
CAPACITANCE
(TA = +25掳C)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
Capacitance on All Input Pins
CIN
(Note 1)
14
pF
Capacitance on
IRQ/FT, RST,
and DQ Pins
CIO
(Note 1)
10
pF
鐩搁棞PDF璩囨枡
PDF鎻忚堪
DS1315E-33 IC T-CHIP PHANTOM 3.3V 20-TSSOP
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DS1556WP-120 IC RTC RAM Y2K 3.3V 120NS 34PCM
DS1746P-70 IC RTC RAM Y2K 5V 70NS 34-PCM
鐩搁棞浠g悊鍟�/鎶€琛撳弮鏁�(sh霉)
鍙冩暩(sh霉)鎻忚堪
DS1556P-70+ 鍔熻兘鎻忚堪:瀵︽檪鏅傞悩 1M NV RAM Timekeeper 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ㄦ牸:Through Hole 灏佽 / 绠遍珨:PDIP-8 灏佽:Tube
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DS1556W-120+ 鍔熻兘鎻忚堪:瀵︽檪鏅傞悩 1M NV RAM Timekeeper 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ㄦ牸:Through Hole 灏佽 / 绠遍珨:PDIP-8 灏佽:Tube