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參數資料
| 型號： | S-35390A-T8T1 |
| 元件分類： | 時鐘/數據恢復及定時提取 |
| 英文描述： | REAL TIME CLOCK, PDSO8 |
| 封裝： | TSSOP-8 |
| 文件頁數： | 1/48頁 |
| 文件大小： | 542K |
| 代理商： | S-35390A-T8T1 |
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Rev.1.2_00
2-WIRE REAL-TIME CLOCK
S-35390A
Seiko Instruments Inc.
1
The S-35390A is a low-current-consumption 2-wire CMOS real-time clock IC
that features a wide operating voltage range (1.3 V to 5.5 V) and can be
driven on a variety of supply voltages, from a main supply to a backup
supply. The time keeping current consumption of 0.25
A and minimum
time keeping operation voltage of 1.1 V enable greatly increased battery
duration.
In a system that operates on a backup battery, the free register incorporated
in the real-time clock can be used for the user backup memory function.
The user register can hold data on a supply voltage as low as 1.2 V (min.),
so the data stored in the register before the main power supply was cut can
be called any time after the voltage is restored.
This product also includes a clock adjustment function that enables wide-
ranging correction of deviation in the frequency of the crystal oscillator at a
minimum resolution of 1 ppm. Also, by combining this function with a
temperature sensor, the clock adjustment value can be set in accordance
with changes in the temperature, which makes it possible to realize a clock
function that retains a high degree of accuracy regardless of temperature
variation.
Features
Low current consumption:
0.25
A typ. (VDD = 3.0 V, Ta = 25°C)
Wide operating voltage range:
1.3 to 5.5 V
Minimum time keeping operation voltage: 1.1 V
Built-in clock adjustment function
Built-in free user register
2-wire (I2C-BUS)*1 CPU interface
Built-in alarm interrupter
Built-in flag generator at power down or power on
Auto calendar up to the year 2099, automatic leap year calculation function
Built-in constant voltage circuit
Built-in 32 kHz crystal oscillator circuit (Cd built in, Cg external)
Package: 8-pin SOP (JEDEC), 8-pin TSSOP, SNT-8A
*1. I
2C-BUS is a trademark of Philips Electronics N.V.
Applications
Digital still cameras
Digital video cameras
Electronic power meters
DVD recorders
TVs, VCRs
PHS
Mobile phones
Car navigation
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相關代理商/技術參數 |
參數描述 |
|---|---|
| S-35390A-T8T1G | 功能描述:實時時鐘 2-Wire 1.3-5.5V 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: 安裝風格:Through Hole 封裝 / 箱體:PDIP-8 封裝:Tube |
| S-35390A-T8T1U | 功能描述:IC RTC CLK/CALENDAR I2C 8TSSOP 制造商:ablic u.s.a. inc. 系列:- 零件狀態:在售 類型:時鐘/日歷 特性:警報器，閏年 存儲容量:- 時間格式:HH：MM：SS（12/24 小時） 日期格式:YY-MM-DD-dd 接口:I2C，2 線串口 電壓 - 電源:1.3 V ~ 5.5 V 電壓 - 電源，電池:- 電流 - 計時（最大）:14μA ~ 30μA @ 3V ~ 5V 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:8-TSSOP（0.173"，4.40mm 寬） 供應商器件封裝:8-TSSOP 標準包裝:1 |
| S-35391A-I8T1U | 功能描述:IC RTC CLK/CALENDAR I2C SNT-8A 制造商:ablic u.s.a. inc. 系列:- 包裝:剪切帶（CT） 零件狀態:在售 類型:時鐘/日歷 特性:警報器，閏年 存儲容量:- 時間格式:HH：MM：SS（12/24 小時） 日期格式:YY-MM-DD-dd 接口:I2C，2 線串口 電壓 - 電源:1.3 V ~ 5.5 V 電壓 - 電源，電池:- 電流 - 計時（最大）:14μA ~ 30μA @ 3V ~ 5V 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:8-SMD，扁平引線 供應商器件封裝:SNT-8A 標準包裝:1 |
| S-35392A | 制造商:SII 制造商全稱:Seiko Instruments Inc 功能描述:2-WIRE REAL-TIME CLOCK |
| S-35392A-I8T1G | 功能描述:實時時鐘 2-wire 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: 安裝風格:Through Hole 封裝 / 箱體:PDIP-8 封裝:Tube |
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