TC74HC157AP Datasheet PDF - Toshiba
| Part Number | TC74HC157AP | |
| Description | Quad 2-Channel Multiplexer | |
| Manufacturers | Toshiba | |
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TC74HC157,158AP/AF/AFN
TOSHIBA CMOS Digital Integrated Circuit Silicon Monolithic
TC74HC157AP,TC74HC157AF,TC74HC157AFN
TC74HC158AP,TC74HC158AF,TC74HC158AFN
TC74HC157AP/AF/AFN Quad 2-Channel Multiplexer
TC74HC158AP/AF/AFN Quad 2-Channel
Multiplexer (inverting)
The TC74HC157A and TC74HC158A are high speed CMOS
2-CHANNEL MULTIPLEXERs fabricated with silicon gate
C2MOS technology.
They achieve the high speed operation similar to equivalent
LSTTL while maintaining the CMOS low power dissipation.
The TC74HC158A is an inverting multiplexer while the
TC74HC157A is a non-inverting.
When STROBE is held high, selection of data is inhibited and
all the outputs become low in the case of HC157A or high in the
case of HC158A.
The SELECT decoding determines whether the A or B inputs
get transferred to their corresponding Y ( Y ) outputs.
All inputs are equipped with protection circuits against static
discharge or transient excess voltage.
Note: xxxFN (JEDEC SOP) is not available in
Japan.
TC74HC157AP, TC74HC158AP
TC74HC157AF, TC74HC158AF
Features
• High speed: tpd = 10 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 74LS157/158
TC74HC157AFN, TC74HC158AFN
Weight
DIP16-P-300-2.54A
SOP16-P-300-1.27A
SOL16-P-150-1.27
: 1.00 g (typ.)
: 0.18 g (typ.)
: 0.13 g (typ.)
1 2007-10-01
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TC74HC157,158AP/AF/AFN
AC Characteristics (CL = 50 pF, input: tr = tf = 6 ns)
Characteristics
Output transition time
Propagation delay
time
(A, B-Y, Y )
Propagation delay
time
(SELECT-Y, Y )
Propagation delay
time
( STOROBE -Y, Y )
Input capacitance
Power dissipation
capacitance
Symbol
Test Condition
tTLH
tTHL
⎯
tpLH
tpHL
⎯
tpLH
tpHL
⎯
tpLH
tpHL
⎯
CIN
CPD
TC74HC157A
(Note) TC74HC158A
⎯
VCC (V)
2.0
4.5
6.0
2.0
4.5
6.0
2.0
4.5
6.0
2.0
4.5
6.0
Ta = 25°C
Min Typ. Max
⎯ 30 75
⎯ 8 15
⎯ 7 13
⎯ 36 100
⎯ 12 20
⎯ 10 17
⎯ 50 125
⎯ 16 25
⎯ 14 21
⎯ 36 115
⎯ 12 23
⎯ 10 20
⎯ 5 10
⎯ 57 ⎯
⎯ 53 ⎯
Ta =
−40 to 85°C
Min Max
⎯ 95
⎯ 19
⎯ 16
⎯ 125
⎯ 25
⎯ 21
⎯ 155
⎯ 31
⎯ 26
⎯ 145
⎯ 29
⎯ 25
⎯ 10
⎯⎯
⎯⎯
Unit
ns
ns
ns
ns
pF
pF
Note:
CPD is defined as the value of the internal equivalent capacitance which is calculated from the operating
current consumption without load.
Average operating current can be obtained by the equation:
ICC (opr) = CPD･VCC･fIN + ICC/4 (per bit)
5 2007-10-01
Preview 5 Page |
Part DetailsOn this page, you can learn information such as the schematic, equivalent, pinout, replacement, circuit, and manual for TC74HC157AP electronic component. |
| Information | Total 9 Pages | |
| Link URL | [ Copy URL to Clipboard ] | |
| Download | [ TC74HC157AP.PDF Datasheet ] | |
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Featured Datasheets
| Part Number | Description | MFRS |
| TC74HC157AF | The function is Quad 2-Channel Multiplexer. Toshiba | |
| TC74HC157AFN | The function is Quad 2-Channel Multiplexer. Toshiba | |
| TC74HC157AP | The function is Quad 2-Channel Multiplexer. Toshiba | |
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