參數(shù)資料
型號: DS1501WE
廠商: Maxim Integrated Products
文件頁數(shù): 16/22頁
文件大?。?/td> 0K
描述: IC RTC WDOG Y2KC 3.3V 28-TSOP
標(biāo)準(zhǔn)包裝: 234
類型: 時鐘/日歷
特點: 警報器,閏年,NVSRAM,方波輸出,監(jiān)視計時器,Y2K
存儲容量: 256B
時間格式: HH:MM:SS(24 小時)
數(shù)據(jù)格式: YY-MM-DD-dd
接口: 并聯(lián)
電源電壓: 3 V ~ 3.6 V
電壓 - 電源,電池: 2.5 V ~ 3.7 V
工作溫度: 0°C ~ 70°C
安裝類型: 表面貼裝
封裝/外殼: 28-TSSOP(0.465",11.8mm 寬)
供應(yīng)商設(shè)備封裝: 28-TSOP
包裝: 托盤
DS1501/DS1511 Y2KC Watchdog Real-Time Clocks
3 of 22
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
Battery Switchover Voltage (Notes 3, 6)
VSO
VBAT,
VBAUX,
or VPF
V
Battery Leakage Current
ILKG
100
nA
DC ELECTRICAL CHARACTERISTICS
(DS1511: VCC = 0V; TA = 0°C to +70°C; DS1501: VCC = 0V, TA = -40°C to +85°C.)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
Battery Current, BB32 = 0, EOSC = 0
IBAT1
(Note 7)
0.27
1.0
A
Battery Current, BB32 = 0, EOSC = 1
IBAT2
(Note 7)
0.01
0.1
A
VBAUX Current BB32 = 1, SQW Open
IBAUX
(Note 7)
2
A
CRYSTAL SPECIFICATIONS*
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
Nominal Frequency
fO
32.768
kHz
Series Resistance
ESR
45
k
Load Capacitance
CL
6/12.5
pF
*The crystal, traces, and crystal input pins should be isolated from RF generating signals. Refer to Application Note 58: Crystal Considerations
for Dallas Real-Time Clocks for additional specifications.
AC OPERATING CHARACTERISTICS
(DS1511: VCC = 5V ±10%, TA = 0°C to +70°C; DS1501: VCC = 5V ±10%, TA = -40°C to +85°C.)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
Read Cycle Time
tRC
70
ns
Address Access Time
tAA
70
ns
CE to DQ Low-Z
tCEL
(Note 8)
5
ns
CE Access Time
tCEA
70
ns
CE Data-Off Time
tCEZ
(Note 8)
25
ns
OE to DQ Low-Z (0°C to +85°C)
tOEL
(Note 8)
5
ns
OE to DQ Low-Z (-40°C to 0°C)
tOEL
(Note 8)
2
ns
OE Access Time
tOEA
35
ns
OE Data-Off Time
tOEZ
(Note 8)
25
ns
Output Hold from Address
tOH
5
ns
Write Cycle Time
tWC
70
ns
Address Setup Time
tAS
0
ns
WE Pulse Width
tWEW
50
ns
CE Pulse Width
tCEW
55
ns
Data Setup Time
tDS
30
ns
Data Hold Time
tDH
5
ns
Address Hold Time
tAH
0
ns
WE Data-Off Time
tWEZ
(Note 8)
25
ns
Write Recovery Time
tWR
15
ns
Pulse Width, OE, WE, or CE High
PWHIGH
20
ns
Pulse Width, OE, WE, or CE Low
PWLOW
70
ns
相關(guān)PDF資料
PDF描述
MCP4641T-503E/ST IC POT DGTL 50K DUAL 14-TSSOP
M83723/73W14157 CONN RCPT 15POS JAM NUT W/SCKT
MCP4642T-104E/UN IC POT DGTL 100K DUAL 10-MSOP
DS1511W IC RTC WDOG Y2K 3.3V 28-EDIP
M83723/73W14156 CONN RCPT 15POS JAM NUT W/SCKT
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
DS1501WE/T&R 制造商:Maxim Integrated Products 功能描述:IC RTC WDOG Y2KC 3.3V 28-TSOP
DS1501WE/T&R 功能描述:實時時鐘 Y2K-Compliant Watchdog 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 時間格式:HH:MM:SS RTC 存儲容量: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
DS1501WE/T&R/C02 功能描述:實時時鐘 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 時間格式:HH:MM:SS RTC 存儲容量: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
DS1501WE/TR 制造商:MAXIM 制造商全稱:Maxim Integrated Products 功能描述:Y2K-Compliant Watchdog Real-Time Clocks
DS1501WE+ 功能描述:實時時鐘 Y2K-Compliant Watchdog 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 時間格式:HH:MM:SS RTC 存儲容量: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