DS1338 I2C RTC with 56-Byte NV RAM 2 of 16 ABSOLUTE MAXIMUM RATINGS Voltage Rang" />
參數(shù)資料
型號(hào): DS1338C-18#
廠商: Maxim Integrated Products
文件頁(yè)數(shù): 9/16頁(yè)
文件大?。?/td> 0K
描述: IC RTC 56BIT NV SRAM 16-SOIC
產(chǎn)品培訓(xùn)模塊: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
標(biāo)準(zhǔn)包裝: 45
類(lèi)型: 時(shí)鐘/日歷
特點(diǎn): 閏年,NVSRAM,方波輸出
存儲(chǔ)容量: 56B
時(shí)間格式: HH:MM:SS(12/24 小時(shí))
數(shù)據(jù)格式: YY-MM-DD-dd
接口: I²C,2 線(xiàn)串口
電源電壓: 1.71 V ~ 5.5 V
電壓 - 電源,電池: 1.3 V ~ 3.7 V
工作溫度: -40°C ~ 85°C
安裝類(lèi)型: 表面貼裝
封裝/外殼: 16-SOIC(0.295",7.50mm 寬)
供應(yīng)商設(shè)備封裝: 16-SOIC W
包裝: 管件
DS1338 I2C RTC with 56-Byte NV RAM
2 of 16
ABSOLUTE MAXIMUM RATINGS
Voltage Range on Any Pin Relative to Ground………………………………………………………..……..-0.3V to +6.0V
Operating Temperature Range…………………………………………………………………………..……-40°C to +85°C
Storage Temperature Range………………………………………………………………………………...-55°C to +125°C
Lead Temperature (soldering, 10s) ……….………………………………………………………………………. +260°C
Soldering Temperature (reflow) ……………………………………………………………………………………. +260°C
Stresses beyond those listed under “Absolute Maximum Ratings” 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°C to +85°C, unless otherwise noted. Typical values are at TA = +25°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°C to +85°C, unless otherwise noted. Typical values are at VCC = TYP,
TA = +25°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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