參數資料
型號: DS1746W-120IND
廠商: Maxim Integrated Products
文件頁數: 15/16頁
文件大?。?/td> 0K
描述: IC RTC RAM Y2K 3.3V 120NS 32EDIP
標準包裝: 11
類型: 時鐘/日歷
特點: 閏年,NVSRAM,Y2K
存儲容量: 128KB
時間格式: HH:MM:SS(24 小時)
數據格式: YY-MM-DD-dd
接口: 并聯
電源電壓: 2.97 V ~ 3.63 V
工作溫度: -40°C ~ 85°C
安裝類型: 通孔
封裝/外殼: 32-DIP 模塊(0.600",15.24mm)
供應商設備封裝: 32-EDIP
包裝: 管件
DS1746/DS1746P Y2K-Compliant, Nonvolatile Timekeeping RAMs
8 of 16
ABSOLUTE MAXIMUM RATINGS
Voltage Range on Any Pin Relative to Ground
5.5V Version…………………………..………………………………..……………………..-0.3V to +6.0V
3.3V Version…………………………………………………………………………………..-0.3V to +4.6V
Storage Temperature Range
EDIP ...................................................……………………...………………..……………….-40°C to +85°C
PowerCap ................................................................................................................………...-55°C to +125°C
Lead Temperature (soldering, 10s)…........................................................................................……………….+260°C
Note: EDIP is hand or wave-soldered only.
Soldering Temperature (reflow, PowerCap)......................................................................................…………+260°
C
This is a stress rating only and functional operation of the device at these or any other condition above those indicated in the operation sections of this
specification is not implied. Exposure to absolute maximum rating conditions for extended periods of time may affect reliability.
OPERATING RANGE
RANGE
TEMP RANGE
VCC
Commercial
0°C to +70°C, Noncondensing
3.3V ±10% or 5V ±10%
Industrial
-40°C to +85°C, Noncondensing
3.3V ±10% or 5V ±10%
RECOMMENDED DC OPERATING CONDITIONS
(TA = Over the Operating Range)
PARAMETER
SYMBOL
MIN
TYP
MAX
UNITS
NOTES
Logic 1 Voltage All Inputs
VCC = 5V ±10%
VCC = 3.3V ±10%
VIH
2.2
VCC +
0.3V
V
1
VIH
2.0
VCC +
0.3V
V
1
Logic 0 Voltage All Inputs
VCC = 5V ± 10%
VCC = 3.3V ± 10%
VIL
-0.3
0.8
V
1
VIL
-0.3
0.6
V
1
DC ELECTRICAL CHARACTERISTICS
(VCC = 5.0V ±10%, TA = Over the Operating Range.)
PARAMETER
SYMBOL
MIN
TYP
MAX
UNITS
NOTES
Active Supply Current
Icc
85
mA
2, 3, 10
TTL Standby Current
( CE = VIH)
Icc1
6
mA
2, 3
CMOS Standby Current
( CE ≥VCC-0.2V)
Icc2
4
mA
2, 3
Input Leakage Current (any input)
IIL
-1
+1
A
Output Leakage Current
(any output)
IOL
-1
+1
A
Output Logic 1 Voltage
(IOUT = -1.0 mA)
VOH
2.4
1
Output Logic 0 Voltage
(IOUT = +2.1 mA)
VOL
0.4
1
Write Protection Voltage
VPF
4.25
4.50
V
1
Battery Switchover Voltage
VSO
VBAT
1, 4
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