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TC74ACT161F fiches techniques PDF

Toshiba Semiconductor - Synchronous Presettable 4-Bit Binary Counter

Numéro de référence TC74ACT161F
Description Synchronous Presettable 4-Bit Binary Counter
Fabricant Toshiba Semiconductor 
Logo Toshiba Semiconductor 





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TC74ACT161F fiche technique
TC74ACT161,163P/F/FN
TOSHIBA CMOS Digital Integrated Circuit Silicon Monolithic
TC74ACT161P,TC74ACT161F,TC74ACT161FN
TC74ACT163P,TC74ACT163F,TC74ACT163FN
Synchronous Presettable 4-Bit Binary Counter
TC74ACT161P/F/FN Asynchronous Clear
TC74ACT163P/F/FN Synchronous Clear
Note: xxxFN (JEDEC SOP) is not available in
Japan.
TC74ACT161P, TC74ACT163P
The TC74ACT161 and T163 are advanced high speed CMOS
SYNCHRONOUS PRESETTABLE 4 BIT BINARY COUNTERs
fabricated with silicon gate and double-layer metal wiring
C2MOS technology.
They achieve the high speed operation similar to equivalent
Bipolar Schottky TTL while maintaining the CMOS low power
dissipation.
These devices 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 levels.
The CK input is active on the rising edge. Both LOAD and
CLR inputs are active on low logic level.
Presetting of these IC’s is synchronous to the rising edge of CK.
The clear function of the TC74ACT163 is synchronous to CK,
while the TC74ACT161 are cleared asynchronously.
Two enable inputs (ENP and ENT) and CARRY OUTPUT are
provided to enable easy cascading of counters, which facilitates
easy implementation of n-bit counters without using external
gates.
All inputs are equipped with protection circuits against static
discharge or transient excess voltage.
Features
High speed: fmax = 110 MHz (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 Ω
transmission lines.
Balanced propagation delays: tpLH ∼− tpHL
Pin and function compatible with 74F161/163
TC74ACT161F, TC74ACT163F
TC74ACT161FN, TC74ACT163FN
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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