參數(shù)資料
型號(hào): DS17887-5IND
廠商: Maxim Integrated Products
文件頁數(shù): 26/31頁
文件大?。?/td> 0K
描述: IC RTC 5V 8K NV RAM 24-EDIP
標(biāo)準(zhǔn)包裝: 1
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: 8KB
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 ~ 3.7 V
工作溫度: -40°C ~ 85°C
安裝類型: 通孔
封裝/外殼: 24-DIP 模塊(0.600",15.24mm)
供應(yīng)商設(shè)備封裝: 24-EDIP
包裝: 管件
其它名稱: DS17887-5 IND
DS17887-5 IND-ND
DS17285/DS17287/DS17485/DS17487/DS17885/DS17887
Real-Time Clocks
4
_____________________________________________________________________
AC ELECTRICAL CHARACTERISTICS
(VCC = +2.7V to +3.7V, TA = Over the operating range, unless otherwise noted.) (Note 2)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
Cycle Time
tCYC
360
DC
ns
Pulse Width, RD or WR Low
PWRWL
200
ns
Pulse Width, RD or WR High
PWRWH
150
ns
Input Rise and Fall
tR, tF
30
ns
Chip-Select Setup Time Before
RD or WR
tCS
20
ns
Chip-Select Hold Time
tCH
0ns
Read-Data Hold Time
tDHR
10
90
ns
Write-Data Hold Time
tDHW
0ns
Address Setup Time to ALE Fall
tASL
40
ns
Address Hold Time to ALE Fall
tAHL
10
ns
RD or WR High Setup to ALE
Rise
tASD
30
ns
Pulse Width ALE High
PWASH
40
ns
Delay Time ALE Low to RD Low
tASED
30
ns
Output Data Delay Time from RD
tDDR
(Note 8)
20
200
ns
Data Setup Time
tDSW
70
ns
IRQ Release from RD
tIRD
2s
Write Timing
PWASH
tASED
PWRWH
PWRWL
tCS
tAHL
tASL
tDSW
tDHW
tCH
tASD
tCYC
CS
WR
AS
RD
AD0–AD7
WRITE
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