参数资料
型号: DS1644-120
厂商: Maxim Integrated Products
文件页数: 12/14页
文件大小: 0K
描述: IC RAM TIMEKEEP NV 120NS 28-EDIP
标准包装: 12
类型: 时钟/日历
特点: 闰年,NVSRAM
存储容量: 32KB
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: 管件
其它名称: DS1644120
DS1644/DS1644P
7 of 14
ABSOLUTE MAXIMUM RATINGS
Voltage Range on Any Pin Relative to Ground……………………………………………..-0.3V to +6.0V
Storage Temperature Range………………………………………………-40°C to +85°C, Noncondensing
Operating Temperature Range…….................…….......……………………0°C to +70°C, Noncondensing
Lead Temperature (soldering, 10s) ...................................................................................................+260°C
Soldering Temperature (reflow, PowerCap package) .......................................................................+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
(Over the Operating Range)
PARAMETER
SYMBOL
MIN
TYP
MAX
UNITS
NOTES
Supply Voltage
VCC
4.5
5.5
V
1
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
(Over the Operating Range)
PARAMETER
SYMBOL
MIN
TYP
MAX
UNITS
NOTES
Average VCC Power Supply Current
ICC1
75
mA
3
TTL Standby Current ( CE =VIH)
ICC2
6
mA
3
CMOS Standby Current ( CE =VCC-
0.2V)
ICC3
4.0
mA
3
Input Leakage Current (any input)
IIL
-1
+1
A
Output Leakage Current
IOL
-1
+1
A
Output Logic 1 Voltage
(IOUT = -1.0 mA)
VOH
2.4
V
Output Logic 0 Voltage
(IOUT = +2.1 mA)
VOL
0.4
V
Power-Fail Voltage
VPF
4.0
4.5
V
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