參數(shù)資料
型號(hào): DS12885S
廠商: Maxim Integrated Products
文件頁(yè)數(shù): 16/22頁(yè)
文件大?。?/td> 0K
描述: IC RTC W/RAM 128 BYTE 24-SOIC
產(chǎn)品培訓(xùn)模塊: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
標(biāo)準(zhǔn)包裝: 31
類型: 時(shí)鐘/日歷
特點(diǎn): 警報(bào)器,夏令時(shí),閏年,NVSRAM,方波輸出
存儲(chǔ)容量: 114B
時(shí)間格式: HH:MM:SS(12/24 小時(shí))
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
電壓 - 電源,電池: 2.5 V ~ 4 V
工作溫度: 0°C ~ 70°C
安裝類型: 表面貼裝
封裝/外殼: 24-SOIC(0.295",7.50mm 寬)
供應(yīng)商設(shè)備封裝: 24-SOIC W
包裝: 管件
DS12885/DS12887/DS12887A/DS12C887/DS12C887A
Real-Time Clocks
_____________________________________________________________________
3
DC ELECTRICAL CHARACTERISTICS
(VCC = 0V, VBAT = 3.0V, TA = over the operating range, unless otherwise noted.) (Note 2)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
VBAT Current (OSC On);
TA = +25°C, VBACKUP = 3.0V
IBAT
(Note 8)
500
nA
VBAT Current (Oscillator Off)
IBATDR
(Note 8)
100
nA
AC ELECTRICAL CHARACTERISTICS
(VCC = 4.5V to 5.5V, TA = over the operating range.) (Note 2)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
Cycle Time
tCYC
385
DC
ns
Pulse Width, DS Low or R/W High
PWEL
150
ns
Pulse Width, DS High or R/W Low
PWEH
125
ns
Input Rise and Fall
tR, tF
30
ns
R/W Hold Time
tRWH
10
ns
R/W Setup Time Before DS/E
tRWS
50
ns
Chip-Select Setup Time Before
DS or R/W
tCS
20
ns
Chip-Select Hold Time
tCH
0ns
Read-Data Hold Time
tDHR
10
80
ns
Write-Data Hold Time
tDHW
0ns
Address Valid Time to AS Fall
tASL
30
ns
Address Hold Time to AS Fall
tAHL
10
ns
Delay Time DS/E to AS Rise
tASD
20
ns
Pulse Width AS High
PWASH
60
ns
Delay Time, AS to DS/E Rise
tASED
40
ns
Output Data Delay Time from DS
or R/W
tDDR
20
120
ns
Data Setup Time
tDSW
100
ns
Reset Pulse Width
tRWL
5s
IRQ Release from DS
tIRDS
2s
IRQ Release from RESET
tIRR
2s
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DS12885S+T&R 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