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器件3D模型￥ 6.405
TC74HC540AF(F) 数据手册 - Toshiba（东芝）
制造商:
Toshiba（东芝）
分类:
逻辑芯片
封装:
SOP-20
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TC74HC540AF(F)数据手册
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TC74HC540,541AP/AF
2014-03-01
1
TOSHIBA CMOS Digital Integrated Circuit Silicon Monolithic
TC74HC540AP, TC74HC540AF
TC74HC541AP, TC74HC541AF
Octal Bus Buffer
TC74HC540AP/AF Inverting, 3-State
Outputs
TC74HC541AP/AF Non-Inverting,
3-State Outputs
The TC74HC540A/TC74HC541A are high speed CMOS OCTAL
BUS BUFFERs fabricated with silicon gate C
2
MOS technology.
They achieve the high speed operation similar to equivalent
LSTTL while maintaining the CMOS low power dissipation.
The TC74HC540A is an inverting type, and the TC74HC541A
is a non-inverting type.
When either
1G or 2G are high, the terminal outputs are in
the high-impedance state.
All inputs are equipped with protection circuits against static
discharge or transient excess voltage.
Features
• High speed: t
pd
= 10 ns (typ.) at V
CC
= 5 V
• Low power dissipation: I
CC
= 4 μA (max) at Ta = 25°C
• High noise immunity: V
NIH
= V
NIL
= 28% V
CC
(min)
• Output Drive Capability: 15 LSTTL loads
• Symmetrical output impedance: |I
OH
| = I
OL
= 6 mA (min)
• Balanced propagation delays: t
pLH
∼
−
t
pHL
• Wide operating voltage range: V
CC
(opr) = 2 to 6 V
• Pin and function compatible with 74LS540/541
TC74HC540AP, TC74HC541AP
TC74HC540AF, TC74HC541AF
Weight
DIP20-P-300-2.54A : 1.30 g (typ.)
SOP20-P-300-1.27A : 0.22 g (typ.)
Start of commercial production
1987-11
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