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TC4331B Scheda tecnica(PDF) 3 Page - SHENZHEN FUMAN ELECTRONICS CO., LTD. |
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TC4331B Scheda tecnica(HTML) 3 Page - SHENZHEN FUMAN ELECTRONICS CO., LTD. |
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3 / 6 page ![]() 深圳市富满电子有限公司 SHENZHEN FUMAN ELECTRONICS CO., LTD. TC4331B(文件编号:S&CIC0999) 4 位倒/正计时器 IC 第 3 页 共 6 页 五、极限参数(Ta = 25℃) 参数 符号 值 单位 电源电压 VDD- GND -0.3~5.0 V 输入电压 VIN GND –0.2 to VDD +0.3 V 工作温度 TA -20 ~ +60 ℃ 贮存温度 Tstg -55 ~ +125 ℃ 六、电气特性 (Ta = 25℃, GND = 0V, VDD = 1.5V, FOSC = 32768Hz; unless otherwise specified) 参数 符号 测试条件 最小值 典型值 最大值 单位 工作电压 VDD 1.25 1.5 1.70 V 显示电压 VC 2.4 3.0 3.4 V 供给电流 ICC With out load 3.0 5.0 uA 输出驱动电流 (BZ, TRIG Output) IOH VOH = 1.35V (TRIG output) -500 uA IOL VOL = 0.15V (TRIG output) 500 VOL = 0.5V (BZ output) 5 10 mA 频率稳定性 △f/f VCC = 1.25V to 1.70V 10 ppm 振荡器内置电容 CD 10 pF 报警输出频率 FBZ 2048×4×1 Hz 振荡启动时间 TOS VCC = 1.30V 2 sec |
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