参数资料
型号: DS1643-85+
厂商: Maxim Integrated Products
文件页数: 15/17页
文件大小: 0K
描述: IC RAM TIMEKEEP NV 85NS 28-EDIP
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装: 14
类型: 时钟/日历
特点: 闰年,NVSRAM
存储容量: 8KB
时间格式: HH:MM:SS(24 小时)
数据格式: YY-MM-DD-dd
接口: 并联
电源电压: 4.5 V ~ 5.5 V
工作温度: 0°C ~ 70°C
安装类型: 通孔
封装/外壳: 28-DIP 模块(0.600",15.24mm)
供应商设备封装: 28-EDIP
包装:
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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