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TC74VHC123AFK 数据表(PDF) 1 Page - Toshiba Semiconductor |
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TC74VHC123AFK 数据表(HTML) 1 Page - Toshiba Semiconductor |
1 / 14 page TC74VHC123,221AF/AFT/AFK 2012-02-29 1 TOSHIBA CMOS Digital Integrated Circuit Silicon Monolithic TC74VHC123AF,TC74VHC123AFT,TC74VHC123AFK TC74VHC221AF,TC74VHC221AFT,TC74VHC221AFK Dual Monostable Multivibrator TC74VHC123AF/AFT/AFK Retriggerble TC74VHC221AF/AFT/AFK Non-Retriggerble The TC74VHC123A/221A are high speed CMOS MONOSTABLE MULTIVIBRATOR fabricated with silicon gate C2MOS technology. There are two trigger inputs, A input (negative edge), and B input (positive edge). These inputs are valid for a slow rise/fall time signal (tr = tf = 1 s) as they are schmitt trigger inputs. This device may also be triggered by using CLR input (positive edge). After triggering, the output stays in a MONOSTABLE state for a time period determined by the external resistor and capacitor (RX, CX). A low level at the CLR input breaks this state. Limits for CX and RX are: External capacitor, CX: No limit External resistor, RX: VCC = 2.0 V more than 5 kΩ VCC ≥ 3.0 V more than 1 kΩ An input protection circuit ensures that 0 to 5.5 V can be applied to the input pins without regard to the supply voltage. This device can be used to interface 5 V to 3 V systems and two supply systems such as battery back up. This circuit prevents device destruction due to mismatched supply and input voltages. Features • High speed: tpd = 8.1 ns (typ.) at VCC = 5 V • Low power dissipation Standby state: 4 μA (max) at Ta = 25°C Active state: 600 μA (max) at Ta = 25°C • High noise immunity: VNIH = VNIL = 28% VCC (min) • Power down protection is equipped with all inputs. • Balanced propagation delays: tpLH ∼− tpHL • Wide operating voltage range: VCC (opr) = 2 to 5.5 V • Pin and function compatible with 74HC123A/221A TC74VHC123AF, TC74VHC221AF TC74VHC123AFT, TC74VHC221AFT TC74VHC123AFK, TC74VHC221AFK Weight SOP16-P-300-1.27A : 0.18 g (typ.) TSSOP16-P-0044-0.65A : 0.06 g (typ.) VSSOP16-P-0030-0.50 : 0.02 g (typ.) |
类似零件编号 - TC74VHC123AFK_12 |
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类似说明 - TC74VHC123AFK_12 |
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