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Toshiba Electronic Components Datasheet

TC74HC251AF Datasheet

8-CHANNEL MULTIPLEXER (3 STATE)

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TC74HC251AP/AF
TOSHIBA CMOS Digital Integrated Circuit Silicon Monolithic
TC74HC251AP, TC74HC251AF
8-Channel Multiplexer (3-state)
The TC74HC251A is a high speed CMOS 8-CHANNEL
MULTIPLEXER fabricated with silicon gate C2MOS technology.
It achieves the high speed operation similar to equivalent
LSTTL while maintaining the CMOS low power dissipation.
One of eight date input signals (D0-D7) is selected by decoding
of the address input (A, B, C). The selected data appears on two
outputs; non-inverting (Y) and inverting (W). When the strobe
input is held high, both outputs are in the high-impedance state.
All inputs are equipped with protection circuits against static
discharge or transient excess voltage.
Features
High speed: tpd = 15 ns (typ.) at VCC = 5 V
Low power dissipation: ICC = 4 μA (max) at Ta = 25°C
High noise immunity: VNIH = VNIL = 28% VCC (min)
Output drive capability: 10 LSTTL loads
Symmetrical output impedance: |IOH| = IOL = 4 mA (min)
Balanced propagation delays: tpLH ∼− tpHL
Wide operating voltage range: VCC (opr) = 2 to 6 V
Pin and function compatible with 74LS251
Pin Assignment
TC74HC251AP
TC74HC251AF
Weight
DIP16-P-300-2.54A
SOP16-P-300-1.27A
: 1.00 g (typ.)
: 0.18 g (typ.)
Start of commercial production
1987-11
1 2014-03-01


Toshiba Electronic Components Datasheet

TC74HC251AF Datasheet

8-CHANNEL MULTIPLEXER (3 STATE)

No Preview Available !

IEC Logic Symbol
Truth Table
Inputs
Select
CBA
XXX
LLL
L LH
LHL
L HH
HL L
HLH
HH L
HHH
Strobe
ST
H
L
L
L
L
L
L
L
L
X: Don’t care
H: High impedance
Outputs
YW
ZZ
D0 D0
D1 D1
D2 D2
D3 D3
D4 D4
D5 D5
D6 D6
D7 D7
TC74HC251AP/AF
2 2014-03-01


Part Number TC74HC251AF
Description 8-CHANNEL MULTIPLEXER (3 STATE)
Maker Toshiba
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TC74HC251AF Datasheet PDF






Similar Datasheet

1 TC74HC251AF 8-CHANNEL MULTIPLEXER (3 STATE)
Toshiba
2 TC74HC251AP 8-CHANNEL MULTIPLEXER (3 STATE)
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