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参数资料
| 型号： | DS1302ZN+T&R |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 3/13页 |
| 文件大小： | 0K |
| 描述： | IC TIMEKEEPER T-CHARGE IND 8SOIC |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 2,500 |
| 类型： | 时钟/日历 |
| 特点： | 闰年，NVSRAM，涓流充电器 |
| 存储容量： | 31B |
| 时间格式： | HH:MM:SS（12/24 小时） |
| 数据格式： | YY-MM-DD-dd |
| 接口： | 3 线串口 |
| 电源电压： | 2 V ~ 5.5 V |
| 电压 - 电源，电池： | 2 V ~ 5.5 V |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 8-SOIC（0.154"，3.90mm 宽） |
| 供应商设备封装： | 8-SOIC |
| 包装： | 带卷 (TR) |
DS1302 Trickle-Charge Timekeeping Chip
11 of 13
CAPACITANCE
(TA = +25°C)
PARAMETER
SYMBOL
MIN
TYP
MAX
UNITS
Input Capacitance
CI
10
pF
I/O Capacitance
CI/O
15
pF
AC ELECTRICAL CHARACTERISTICS
(TA = 0°C to +70°C or TA = -40°C to +85°C.) (Note 1)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
VCC = 2.0V
200
Data to CLK Setup
tDC
VCC = 5V
(Note 6)
50
ns
VCC = 2.0V
280
CLK to Data Hold
tCDH
VCC = 5V
(Note 6)
70
ns
VCC = 2.0V
800
CLK to Data Delay
tCDD
VCC = 5V
(Notes 6, 7, 8)
200
ns
VCC = 2.0V
1000
CLK Low Time
tCL
VCC = 5V
(Note 6)
250
ns
VCC = 2.0V
1000
CLK High Time
tCH
VCC = 5V
(Note 6)
250
ns
VCC = 2.0V
0.5
CLK Frequency
tCLK
VCC = 5V
(Note 6)
DC
2.0
MHz
VCC = 2.0V
2000
CLK Rise and Fall
tR, tF
VCC = 5V
500
ns
VCC = 2.0V
4
CE to CLK Setup
tCC
VCC = 5V
(Note 6)
1
μs
VCC = 2.0V
240
CLK to CE Hold
tCCH
VCC = 5V
(Note 6)
60
ns
VCC = 2.0V
4
CE Inactive Time
tCWH
VCC = 5V
(Note 6)
1
μs
VCC = 2.0V
280
CE to I/O High Impedance
tCDZ
VCC = 5V
(Note 6)
70
ns
VCC = 2.0V
280
SCLK to I/O High Impedance
tCCZ
VCC = 5V
(Note 6)
70
ns
Note 1:
Limits at -40°C are guaranteed by design and are not production tested.
Note 2:
All voltages are referenced to ground.
Note 3:
ICC1T and ICC2T are specified with I/O open, CE and SCLK set to a logic 0.
Note 4:
ICC1A and ICC2A are specified with the I/O pin open, CE high, SCLK = 2MHz at VCC = 5V; SCLK = 500kHz, VCC = 2.0V.
Note 5:
CE, SCLK, and I/O all have 40k
Ω pulldown resistors to ground.
Note 6:
Measured at VIH = 2.0V or VIL = 0.8V and 10ns maximum rise and fall time.
Note 7:
Measured at VOH = 2.4V or VOL = 0.4V.
Note 8:
Load capacitance = 50pF.
Note 9:
ICC1S and ICC2S are specified with CE, I/O, and SCLK open.
Note 10:
VCC = VCC2, when VCC2 > VCC1 + 0.2V; VCC = VCC1, when VCC1 > VCC2.
Note 11:
VCC2 = 0V.
Note 12:
VCC1 = 0V.
Note 13:
Typical values are at +25°C.
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相关代理商/技术参数 |
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| DS1304FP000 | 制造商:Thomas & Betts 功能描述:100A,CON,3P4W,MG,304,277/480V |
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| DS1305 | 功能描述:实时时钟 Serial Alarm RTC 3-Wire RoHS:否 制造商:Microchip Technology 功能:Clock, Calendar. Alarm RTC 总线接口:I2C 日期格式:DW:DM:M:Y 时间格式:HH:MM:SS RTC 存储容量:64 B 电源电压-最大:5.5 V 电源电压-最小:1.8 V 最大工作温度:+ 85 C 最小工作温度: 安装风格:Through Hole 封装 / 箱体:PDIP-8 封装:Tube |
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