DS1338 I2C RTC with 56-Byte NV RAM 2 of 16 ABSOLUTE MAXIMUM RATINGS Voltage Rang" />
鍙冩暩(sh霉)璩囨枡
鍨嬭櫉锛� DS1338Z-18+
寤犲晢锛� Maxim Integrated Products
鏂囦欢闋佹暩(sh霉)锛� 9/16闋�
鏂囦欢澶у皬锛� 0K
鎻忚堪锛� IC RTC 56BYTE NV RAM 1.8V 8-SOIC
鐢�(ch菐n)鍝佸煿瑷撴ā濉婏細 Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
妯欐簴鍖呰锛� 88
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
鏅傞枔鏍煎紡锛� HH:MM:SS锛�12/24 灏忔檪锛�
鏁�(sh霉)鎿�(j霉)鏍煎紡锛� YY-MM-DD-dd
鎺ュ彛锛� I²C锛�2 绶氫覆鍙�
闆绘簮闆诲锛� 1.71 V ~ 5.5 V
闆诲 - 闆绘簮锛岄浕姹狅細 1.3 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� 8-SOIC锛�0.154"锛�3.90mm 瀵級
渚涙噳鍟嗚ō鍌欏皝瑁濓細 8-SOIC
鍖呰锛� 绠′欢
鐢�(ch菐n)鍝佺洰閷勯爜闈細 1433 (CN2011-ZH PDF)
DS1338 I2C RTC with 56-Byte NV RAM
2 of 16
ABSOLUTE MAXIMUM RATINGS
Voltage Range on Any Pin Relative to Ground鈥︹€︹€︹€︹€︹€︹€︹€︹€︹€︹€︹€︹€︹€︹€︹€︹€︹€︹€︹€︹€�..鈥︹€�..-0.3V to +6.0V
Operating Temperature Range鈥︹€︹€︹€︹€︹€︹€︹€︹€︹€︹€︹€︹€︹€︹€︹€︹€︹€︹€︹€︹€︹€︹€︹€︹€︹€︹€︹€�..鈥︹€�-40掳C to +85掳C
Storage Temperature Range鈥︹€︹€︹€︹€︹€︹€︹€︹€︹€︹€︹€︹€︹€︹€︹€︹€︹€︹€︹€︹€︹€︹€︹€︹€︹€︹€︹€︹€︹€�...-55掳C to +125掳C
Lead Temperature (soldering, 10s) 鈥︹€︹€�.鈥︹€︹€︹€︹€︹€︹€︹€︹€︹€︹€︹€︹€︹€︹€︹€︹€︹€︹€︹€︹€︹€︹€︹€︹€︹€︹€�. +260掳C
Soldering Temperature (reflow) 鈥︹€︹€︹€︹€︹€︹€︹€︹€︹€︹€︹€︹€︹€︹€︹€︹€︹€︹€︹€︹€︹€︹€︹€︹€︹€︹€︹€︹€︹€︹€︹€�. +260掳C
Stresses beyond those listed under 鈥淎bsolute Maximum Ratings鈥� may cause permanent damage to the device. These are stress ratings only,
and functional operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is
not implied. Exposure to the absolute maximum rating conditions for extended periods may affect device reliability.
RECOMMENDED DC OPERATING CONDITIONS
(VCC = VCC(MIN) to VCC(MAX), TA = -40掳C to +85掳C, unless otherwise noted. Typical values are at TA = +25掳C, unless
otherwise noted.) (Note 1)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
Supply Voltage
VCC
DS1338-18
1.71
1.8
5.5
V
DS1338-3
2.7
3.0
5.5
DS1338-33
3.0
3.3
5.5
Logic 1
VIH
(Note 2)
0.7 x
VCC
VCC +
0.3
V
Logic 0
VIL
(Note 2)
-0.3
+0.3 x
VCC
V
Power-Fail Voltage
VPF
DS1338-18
1.51
1.62
1.71
V
DS1338-3
2.45
2.59
2.70
DS1338-33
2.70
2.82
2.97
VBAT Input Voltage
VBAT
(Note 2)
1.3
3.0
3.7
V
DC ELECTRICAL CHARACTERISTICS
(VCC = VCC(MIN) to VCC(MAX), TA = -40掳C to +85掳C, unless otherwise noted. Typical values are at VCC = TYP,
TA = +25掳C, unless otherwise noted.) (Note 1)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
Input Leakage
ILI
(Note 3)
1
A
I/O Leakage
ILO
(Note 4)
1
A
SDA Logic 0 Output
IOLSDA
VCC > 2V; VOL = 0.4V
3.0
mA
VCC < 2V; VOL = 0.2 x VCC
3.0
SQW/OUT Logic 0 Output
IOLSQW
VCC > 2V; VOL = 0.4V
3.0
mA
1.71V < VCC < 2V;
VOL = 0.2 x VCC
3.0
1.3V < VCC < 1.71V;
VOL = 0.2 x VCC
250
A
Active Supply Current
(Note 5)
ICCA
DS1338-18: VCC = 1.89V
75
150
A
DS1338-3:
VCC = 3.30V
110
200
DS1338-33
VCC = 3.63V
120
200
VCC = 5.5V
325
Standby Current (Note 6)
ICCS
DS1338-18: VCC = 1.89V
60
100
A
DS1338-3:
VCC = 3.30V
80
125
DS1338-33
VCC = 3.63V
85
125
VCC = 5.5V
200
VBAT Leakage Current
(VCC Active)
IBATLKG
25
100
nA
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