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PDF TC74ACT157FN Data sheet ( Hoja de datos )

Número de pieza TC74ACT157FN
Descripción Quad 2-Channel Multiplexer
Fabricantes Toshiba Semiconductor 
Logotipo Toshiba Semiconductor Logotipo



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No Preview Available ! TC74ACT157FN Hoja de datos, Descripción, Manual

TC74ACT157P/F/FN/FT
TOSHIBA CMOS Digital Integrated Circuit Silicon Monolithic
TC74ACT157P,TC74ACT157F,TC74ACT157FN,TC74ACT157FT
Quad 2-Channel Multiplexer
The TC74ACT157 is an advanced high speed CMOS QUAD
2-CHANNEL MULTIPLEXER fabricated with silicon gate and
double-layer metal wiring C2MOS technology.
It achieves the high speed operation similar to equivalent
Bipolar Schottky TTL while maintaining the CMOS low power
dissipation.
This device may be used as a level converter for interfacing
TTL or NMOS to High Speed CMOS. The inputs are compatible
with TTL, NMOS and CMOS output voltage levles.
This device consist of four 2-input digital multiplexer with
common select and strobe inputs.
When the ST 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.
All inputs are equipped with protection circuits against static
discharge or transient excess voltage.
Features
High speed: tpd = 5.1 ns (typ.) at VCC = 5 V
Low power dissipation: ICC = 8 µA (max) at Ta = 25°C
Compatible with TTL outputs: VIL = 0.8 V (max)
VIH = 2.0 V (min)
Symmetrical output impedance: |IOH| = IOL = 24 mA (min)
Capability of driving 50
transmission lines.
Balanced propagation delays: tpLH ∼− tpHL
Pin and function compatible with 74F157
Note: xxxFN (JEDEC SOP) is not available in
Japan.
TC74ACT157P
TC74ACT157F
TC74ACT157FN
Weight
DIP16-P-300-2.54A
: 1.00 g (typ.)
SOP16-P-300-1.27A
: 0.18 g (typ.)
SOP16-P-300-1.27
: 0.18 g (typ.)
SOL16-P-150-1.27
: 0.13 g (typ.)
TSSOP16-P-0044-0.65A : 0.06 g (typ.)
TC74ACT157FT
1 2006-02-01

1 page




TC74ACT157FN pdf
TC74ACT157P/F/FN/FT
AC Characteristics (CL = 50 pF, RL = 500 , input: tr = tf = 3 ns)
Characteristics
Propagation delay
time
(A, B-Y)
Propagation delay
time
(SELECT-Y)
Propagation delay
time
( ST -Y)
Input capacitance
Power dissipation
capacitance
Symbol
tpLH
tpHL
tpLH
tpHL
tpLH
tpHL
CIN
CPD
(Note)
Test Condition
VCC (V)
Ta = 25°C
Min Typ. Max
5.0 ± 0.5
5.5 8.0
5.0 ± 0.5
6.9 11.4
5.0 ± 0.5
6.8 10.8
5 10
51
Ta =
40 to 85°C
Min Max
1.0 9.1
1.0 13.0
1.0 12.3
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)
5 2006-02-01

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TC74ACT157FN arduino
TC74ACT157P/F/FN/FT
Note: Lead (Pb)-Free Packages
DIP16-P-300-2.54A SOP16-P-300-1.27A SOL16-P-150-1.27 TSSOP16-P-0044-0.65A
RESTRICTIONS ON PRODUCT USE
The information contained herein is subject to change without notice. 021023_D
060116EBA
TOSHIBA is continually working to improve the quality and reliability of its products. Nevertheless, semiconductor
devices in general can malfunction or fail due to their inherent electrical sensitivity and vulnerability to physical
stress. It is the responsibility of the buyer, when utilizing TOSHIBA products, to comply with the standards of
safety in making a safe design for the entire system, and to avoid situations in which a malfunction or failure of
such TOSHIBA products could cause loss of human life, bodily injury or damage to property.
In developing your designs, please ensure that TOSHIBA products are used within specified operating ranges as
set forth in the most recent TOSHIBA products specifications. Also, please keep in mind the precautions and
conditions set forth in the “Handling Guide for Semiconductor Devices,” or “TOSHIBA Semiconductor Reliability
Handbook” etc. 021023_A
The TOSHIBA products listed in this document are intended for usage in general electronics applications
(computer, personal equipment, office equipment, measuring equipment, industrial robotics, domestic appliances,
etc.). These TOSHIBA products are neither intended nor warranted for usage in equipment that requires
extraordinarily high quality and/or reliability or a malfunction or failure of which may cause loss of human life or
bodily injury (“Unintended Usage”). Unintended Usage include atomic energy control instruments, airplane or
spaceship instruments, transportation instruments, traffic signal instruments, combustion control instruments,
medical instruments, all types of safety devices, etc. Unintended Usage of TOSHIBA products listed in this
document shall be made at the customer’s own risk. 021023_B
The products described in this document shall not be used or embedded to any downstream products of which
manufacture, use and/or sale are prohibited under any applicable laws and regulations. 060106_Q
The information contained herein is presented only as a guide for the applications of our products. No
responsibility is assumed by TOSHIBA for any infringements of patents or other rights of the third parties which
may result from its use. No license is granted by implication or otherwise under any patent or patent rights of
TOSHIBA or others. 021023_C
The products described in this document are subject to the foreign exchange and foreign trade laws. 021023_E
11 2006-02-01

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