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部品型式

TA8030S

製品説明
仕様・特性

TA8030S/F TOSHIBA BIPOLAR LINEAR INTEGRATED CIRCUIT SILICON MONOLITHIC TA8030S,TA8030F WATCHDOG TIMER The TA8030S TA8030F is a system reset IC for 5V supply voltage system. It is specially designed for microcomputer systems. It incorporates a watchdog timer for monitoring microcomputer operation and has many reset functions, including a reset timer output which will be given at power-on and another reset output which will be given when the supply voltage drops. With these functions, it helps build up a reliable system. TA8030S FEATURES l Watchdog timer l Power-on reset timer l Dual-reset output l SIP7 PIN SOP8 PIN TA8030F (TA8030S) (TA8030F) Weight SIP7- P-2.54A SOP8- P-225-1.27 1 : 0.7g (typ.) : 0.08g (typ.) 2002-02-27 TA8030S/F PIN DESCRIPTION PIN No. TA80305 TA8030F SYMBOL DESCRIPTION 1 1 WD Clock input pin for watchdog timer. If this IC is only used as a power-on reset timer, this pin is connected to RST1 . 2 2 TC Time setting pin for the reset and watchdog timers. R1 leads to VCC, and C1 leads to GND. 3 3 RST1 Supplies an NPN transistor open-collector output. ● Generates a reset signal determined by the CR combination connected to the TC pin. ● Supplies reset pulses intermittently if no clock is given to the WD pin. 4 4 GND Grounded 5 6 ADJ VCC detect voltage (1) adjusting pin. The detection voltage is 4.6V when this pin is grounded ; it is 3.5V when this pin is directly connected to VCC. 6 7 VCC Power supply pin for internal circuit. The output voltage can also be detected at this pin. 7 8 RST2 Supplies an NPN transistor open-collector output. It is the output pin for VCC detect voltage (2) . The detect voltage has a hysteresis of 0.17V. ― 5 NC Not connected pin.(Electrically,this pin is completely open.) 3 2002-02-27

ブランド

TOSHIBA

会社名

株式会社 東芝セミコンダクター&ストレージ社

本社国名

日本

事業概要

半導体部門、DRAM、フラッシュメモリ、プロセッサ、汎用LSI

供給状況

 
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型式 数量 D/C・lead 備考 選択
TA8030S 270個    
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