TC74VHC157F Datasheet PDF - Toshiba
| Part Number | TC74VHC157F | |
| Description | QUAD 2-CHANNEL MULTIPLEXER | |
| Manufacturers | Toshiba | |
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There is a preview and TC74VHC157F download ( pdf file ) link at the bottom of this page. Total 11 Pages | ||
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TC74VHC157F/FN/FT/FK
TOSHIBA CMOS Digital Integrated Circuit Silicon Monolithic
TC74VHC157F,TC74VHC157FN,TC74VHC157FT,TC74VHC157FK
Quad 2-Channel Multiplexer
The TC74VHC157 is an advanced high speed CMOS QUAD
2-CHANNEL MULTIPLEXER fabricated with silicon gate
C2MOS technology.
It achieves the high speed operation similar to equivalent
Bipolar Schottky TTL while maintaining the CMOS low power
dissipation.
It consists of four 2-input digital multiplexers with common
select and strobe inputs.
When the STROBE input is held “H” level, selection of data
is inhibited and all the outputs become “L” level.
The SELECT decoding determines whether the A or B inputs
get routed to their corresponding Y outputs.
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 on
two supply systems such as battery back up. This circuit
prevents device destruction due to mismatched supply and input
voltages.
Features
• High speed: tpd = 4.1 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)
• Power down protection is provided on all inputs.
• Balanced propagation delays: tpLH ∼− tpHL
• Wide operating voltage range: VCC (opr) = 2 V to 5.5 V
• Low noise: VOLP = 0.8 V (max)
• Pin and function compatible with 74ALS157
Note: xxxFN (JEDEC SOP) is not available in
Japan.
TC74VHC157F
TC74VHC157FN
TC74VHC157FT
TC74VHC157FK
Weight
SOP16-P-300-1.27A
SOL16-P-150-1.27
TSSOP16-P-0044-0.65A
VSSOP16-P-0030-0.50
: 0.18 g (typ.)
: 0.13 g (typ.)
: 0.06 g (typ.)
: 0.02 g (typ.)
1 2007-10-01
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TC74VHC157F/FN/FT/FK
AC Characteristics (input: tr = tf = 3 ns)
Characteristics
Symbol
Propagation delay
time
(A, B-Y)
tpLH
tpHL
Propagation delay
time
(SELECT-Y)
tpLH
tpHL
Propagation delay
time
( ST -Y)
Input capacitance
Power dissipation
capacitance
tpLH
tpHL
CIN
CPD
Test Condition
VCC (V) CL (pF)
3.3 ± 0.3
15
50
―
15
5.0 ± 0.5
50
15
3.3 ± 0.3
50
―
15
5.0 ± 0.5
50
15
3.3 ± 0.3
50
―
15
5.0 ± 0.5
50
―
Ta = 25°C
Min Typ. Max
― 6.2 9.7
― 8.7 13.2
― 4.1 6.4
― 5.6 8.4
― 8.4 13.2
― 10.9 16.7
― 5.3 8.1
― 6.8 10.1
― 8.7 13.6
― 11.2 17.1
― 5.6 8.6
― 7.1 10.6
― 4 10
(Note) ― 20 ―
Ta =
−40 to 85°C
Min Max
1.0 11.5
1.0 15.0
1.0 7.5
1.0 9.5
1.0 15.5
1.0 19.0
1.0 9.5
1.0 11.5
1.0 16.0
1.0 19.5
1.0 10.0
1.0 12.0
― 10
――
Unit
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)
Noise Characteristics (input: tr = tf = 3 ns)
Characteristics
Symbol
Quiet output maximum dynamic VOL
Quiet output minimum dynamic VOL
Minimum high level dynamic input
voltage
Maximum low level dynamic input
voltage
VOLP
VOLV
VIHD
VILD
CL = 50 pF
CL = 50 pF
CL = 50 pF
CL = 50 pF
Test Condition
VCC (V)
5.0
5.0
5.0
Ta = 25°C
Typ. Limit
0.3 0.8
−0.3 −0.8
― 3.5
Unit
V
V
V
5.0
― 1.5
V
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 TC74VHC157F electronic component. |
| Information | Total 11 Pages | |
| Link URL | [ Copy URL to Clipboard ] | |
| Download | [ TC74VHC157F.PDF Datasheet ] | |
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Featured Datasheets
| Part Number | Description | MFRS |
| TC74VHC157F | The function is QUAD 2-CHANNEL MULTIPLEXER. Toshiba | |
| TC74VHC157FK | The function is QUAD 2-CHANNEL MULTIPLEXER. Toshiba | |
| TC74VHC157FN | The function is QUAD 2-CHANNEL MULTIPLEXER. Toshiba | |
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