參數(shù)資料
型號: DS1643-85+
廠商: Maxim Integrated Products
文件頁數(shù): 15/17頁
文件大?。?/td> 0K
描述: IC RAM TIMEKEEP NV 85NS 28-EDIP
產品培訓模塊: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
標準包裝: 14
類型: 時鐘/日歷
特點: 閏年,NVSRAM
存儲容量: 8KB
時間格式: HH:MM:SS(24 小時)
數(shù)據(jù)格式: YY-MM-DD-dd
接口: 并聯(lián)
電源電壓: 4.5 V ~ 5.5 V
工作溫度: 0°C ~ 70°C
安裝類型: 通孔
封裝/外殼: 28-DIP 模塊(0.600",15.24mm)
供應商設備封裝: 28-EDIP
包裝:
DS1643/DS1643P
7 of 17
ABSOLUTE MAXIMUM RATINGS
Voltage Range on Any Pin Relative to Ground……………………………………………..-0.3V to +6.0V
Operating Temperature Range………………………………………………0°C to +70°C, Noncondensing
Storage Temperature (EDIP) ……………………………………………-40°C to +85°C, Noncondensing
Storage Temperature (PowerCap) ………………………………………-55°C to +125°C, Noncondensing
Lead Temperature (soldering, 10 seconds)………………………… . . . . . . . . . . . . . . . . . . . . ……+260°C
Note: EDIP is hand or wave-soldered only (Note 7).
Soldering Temperature (PowerCap reflow) . . . . . . . . . . . . . . . . .. . . . . . . . . . . . . . . . . . . . . . . . . . . +260°C
This is a stress rating only and functional operation of the device at these or any other conditions 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.
RECOMMENDED DC OPERATING CONDITIONS
(TA = 0C to +70C)
PARAMETER
SYMBOL
MIN
TYP
MAX
UNITS
NOTES
Supply Voltage
VCC
4.5
5.0
5.5
V
Logic 1 Voltage All Inputs
VIH
2.2
VCC + 0.3
V
Logic 0 Voltage All Inputs
VIL
-0.3
+0.8
V
DC ELECTRICAL CHARACTERISTICS
(VCC = 5.0V 10%, TA = 0C to70C.)
PARAMETER
SYMBOL
MIN
TYP
MAX
UNITS
NOTES
Active Supply Current
ICC
15
50
mA
2, 3
TTL Standby Current
( CE = VIH, CE2 = VIL)
ICC1
1
3
mA
2, 3
CMOS Standby Current
( CE = VCC - 0.2V, CE2 = GND + 0.2V)
ICC2
1
3
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 = -1.0mA)
VOH
2.4
1
Output Logic 0 Voltage
(IOUT = +2.1mA)
VOL
0.4
1
Write Protection Voltage
VPF
4.25
4.37
4.50
V
1
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