(VC , TA t ARAMETE SYMBOL IN TYP MAX UNI" />
鍙冩暩(sh霉)璩囨枡
鍨嬭櫉锛� DS1558W
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 W/NV RAM 3.3V 48-LQFP
妯欐簴鍖呰锛� 250
椤炲瀷锛� 鏅傞悩/鏃ユ
鐗归粸锛� 璀﹀牨鍣紝闁忓勾锛岀洠(ji膩n)瑕栬▓鏅傚櫒锛孻2K
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� 2.97 V ~ 3.63 V
闆诲 - 闆绘簮锛岄浕姹狅細 2.5 V ~ 3.7 V
宸ヤ綔婧害锛� -40°C ~ 85°C
瀹夎椤炲瀷锛� 琛ㄩ潰璨艰
灏佽/澶栨锛� 48-LQFP
渚涙噳鍟嗚ō鍌欏皝瑁濓細 48-LQFP锛�7x7锛�
鍖呰锛� 鎵樼洡
DS1558
16 of 18
(VC
, TA
t
ARAMETE
SYMBOL
IN
TYP
MAX
UNITS
NOTES
POWER-UP/DOWN CHARACTERISTICS
C = +5V 10%
= -40掳C o +85掳C.) (Figure 8)
P
R
M
CE
or WE at VIH,
Before Power-Down
t
0
s
PD
V
e: VPF(MAX) to
MIN)
s
CC Fall Tim
VPF(
tF
300
VCC Fall Time: VPF(MIN) to VSO
10
s
tFB
VCC Rise Time: VPF(MIN) to
MAX)
t
0
s
VPF(
R
VPF to RST High
tREC
40
200
ms
Figure 8. +5V POWER-UP/DOWN WAVEFORM TIMING
鐩搁棞PDF璩囨枡
PDF鎻忚堪
VE-B6J-IU-F2 CONVERTER MOD DC/DC 36V 200W
VE-2WR-MX-B1 CONVERTER MOD DC/DC 7.5V 75W
VE-2WP-MW CONVERTER MOD DC/DC 13.8V 100W
VE-B6B-IU-F4 CONVERTER MOD DC/DC 95V 200W
DS1554P-70IND IC RTC RAM Y2K 5V 70NS 34-PCM
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鍙冩暩(sh霉)鎻忚堪
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