參數(shù)資料
型號(hào): DS12C887A
英文描述: Real-Time Clock
中文描述: 實(shí)時(shí)時(shí)鐘
文件頁(yè)數(shù): 2/2頁(yè)
文件大?。?/td> 83K
代理商: DS12C887A
DS12C887A
2 of 2
to clear the RAM,
RCLR
must be forced to an input logic 0 (-0.3V to +0.8V) during battery-backup mode
when V
CC
is not applied. The
RCLR
function is designed to be used via human interface (shorting to
ground manually or by switch) and not to be driven with external buffers.
For a complete description of operating conditions, electrical characteristics, bus timing and pin
descriptions other than
RCLR
, see the DS12C887 data sheet.
DS12C887 REAL-TIME CLOCK PLUS RAM
PKG
DIM
A IN.
MM
B IN.
MM
C IN.
MM
D IN.
MM
E IN.
MM
F IN.
MM
G IN.
MM
H IN.
MM
J IN.
MM
K IN.
MM
24-PIN
MIN
MAX
1.335
33.91
0.700
17.78
0.370
9.40
0.130
3.30
0.030
0.76
0.140
3.56
0.110
2.79
0.630
16.00
0.012
0.30
0.021
0.53
1.320
33.53
0.675
17.15
0.345
8.76
0.100
2.54
0.015
0.38
0.110
2.79
0.090
2.29
0.590
14.99
0.008
0.20
0.015
0.38
.
Note:
Pins 2, 3, 16, 20, and 22 are missing by design.
This device cannot be stored or shipped in conductive
material that will give a continuity path between the RAM
clear pin and ground.
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參數(shù)描述
DS12C887A+ 功能描述:實(shí)時(shí)時(shí)鐘 RTC RoHS:否 制造商:Microchip Technology 功能:Clock, Calendar. Alarm RTC 總線接口:I2C 日期格式:DW:DM:M:Y 時(shí)間格式:HH:MM:SS RTC 存儲(chǔ)容量:64 B 電源電壓-最大:5.5 V 電源電壓-最小:1.8 V 最大工作溫度:+ 85 C 最小工作溫度: 安裝風(fēng)格:Through Hole 封裝 / 箱體:PDIP-8 封裝:Tube
DS12CR887-33 功能描述:實(shí)時(shí)時(shí)鐘 RoHS:否 制造商:Microchip Technology 功能:Clock, Calendar. Alarm RTC 總線接口:I2C 日期格式:DW:DM:M:Y 時(shí)間格式:HH:MM:SS RTC 存儲(chǔ)容量:64 B 電源電壓-最大:5.5 V 電源電壓-最小:1.8 V 最大工作溫度:+ 85 C 最小工作溫度: 安裝風(fēng)格:Through Hole 封裝 / 箱體:PDIP-8 封裝:Tube
DS12CR887-33+ 功能描述:實(shí)時(shí)時(shí)鐘 RTC w/Constant V Trickle Charger RoHS:否 制造商:Microchip Technology 功能:Clock, Calendar. Alarm RTC 總線接口:I2C 日期格式:DW:DM:M:Y 時(shí)間格式:HH:MM:SS RTC 存儲(chǔ)容量:64 B 電源電壓-最大:5.5 V 電源電壓-最小:1.8 V 最大工作溫度:+ 85 C 最小工作溫度: 安裝風(fēng)格:Through Hole 封裝 / 箱體:PDIP-8 封裝:Tube
DS12CR887-5 功能描述:實(shí)時(shí)時(shí)鐘 RoHS:否 制造商:Microchip Technology 功能:Clock, Calendar. Alarm RTC 總線接口:I2C 日期格式:DW:DM:M:Y 時(shí)間格式:HH:MM:SS RTC 存儲(chǔ)容量:64 B 電源電壓-最大:5.5 V 電源電壓-最小:1.8 V 最大工作溫度:+ 85 C 最小工作溫度: 安裝風(fēng)格:Through Hole 封裝 / 箱體:PDIP-8 封裝:Tube
DS12CR887-5+ 功能描述:實(shí)時(shí)時(shí)鐘 RTC w/Constant V Trickle Charger RoHS:否 制造商:Microchip Technology 功能:Clock, Calendar. Alarm RTC 總線接口:I2C 日期格式:DW:DM:M:Y 時(shí)間格式:HH:MM:SS RTC 存儲(chǔ)容量:64 B 電源電壓-最大:5.5 V 電源電壓-最小:1.8 V 最大工作溫度:+ 85 C 最小工作溫度: 安裝風(fēng)格:Through Hole 封裝 / 箱體:PDIP-8 封裝:Tube