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Número de pieza | TC74AC161FT | |
Descripción | SYNCHRONOUS PRESETTABLE 4 BIT BINARY COUNTER | |
Fabricantes | Toshiba | |
Logotipo | ||
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TC74AC161,163P/F/FN/FT
TOSHIBA CMOS Digital Integrated Circuit Silicon Monolithic
TC74AC161P,TC74AC161F,TC74AC161FN,TC74AC161FT
TC74AC163P,TC74AC163F,TC74AC163FN,TC74AC163FT
Synchronous Presettable 4-Bit Binary Counter
TC74AC161P/F/FN/FT Asynchronous Clear
TC74AC163P/F/FN/FT Synchronous Clear
Note: xxxFN (JEDEC SOP) is not available in
Japan.
TC74AC161P, TC74AC163P
The TC74AC161 and 163 are advanced high speed CMOS
SYNCHRONOUS PRESETTABLE 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.
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 TC74AC163 is synchronous to CK,
while the TC74AC161 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
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• High speed: fmax = 170 MHz (typ.) at VCC = 5 V
• Low power dissipation: ICC = 8 µA (max) at Ta = 25°C
• High noise immunity: VNIH = VNIL = 28% VCC (min)
• Symmetrical output impedance: |IOH| = IOL = 24 mA (min)
Capability of driving 50 Ω
transmission lines.
• Balanced propagation delays: tpLH ∼− tpHL
• Wide operating voltage range: VCC (opr) = 2 to 5.5 V
• Pin and function compatible with 74F161/163
TC74AC161F, TC74AC163F
TC74AC161FN, TC74AC163FN
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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.)
TC74AC161FT, TC74AC163FT
1 2006-02-01
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Absolute Maximum Ratings (Note 1)
TC74AC161,163P/F/FN/FT
Characteristics
Symbol
Rating
Unit
Supply voltage range
DC input voltage
DC output voltage
Input diode current
Output diode current
DC output current
DC VCC/ground current
Power dissipation
Storage temperature
VCC
VIN
VOUT
IIK
IOK
IOUT
ICC
PD
Tstg
−0.5 to 7.0
−0.5 to VCC + 0.5
−0.5 to VCC + 0.5
±20
±50
±50
±125
500 (DIP) (Note 2)/180 (SOP/TSSOP)
−65 to 150
V
V
V
mA
mA
mA
mA
mW
°C
Note1: Exceeding any of the absolute maximum ratings, even briefly, lead to deterioration in IC performance or
even destruction.
Note2: 500 mW in the range of Ta = −40 to 65°C. From Ta = 65 to 85°C a derating factor of −10 mW/°C should be
applied up to 300 mW.
Recommended Operating Conditions (Note)
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Characteristics
Symbol
Rating
Unit
Supply voltage
Input voltage
Output voltage
Operating temperature
Input rise and fall time
VCC
2.0 to 5.5
VIN 0 to VCC
VOUT
0 to VCC
Topr DataSheet4U.c−o4m0 to 85
dt/dV
0 to 100 (VCC = 3.3 ± 0.3 V)
0 to 20 (VCC = 5 ± 0.5 V)
V
V
V
°C
ns/V
Note: The recommended operating conditions are required to ensure the normal operation of the device.
Unused inputs must be tied to either VCC or GND.
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Package Dimensions
TC74AC161,163P/F/FN/FT
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Weight: 1.00 g (typ.)
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11 Page |
Páginas | Total 16 Páginas | |
PDF Descargar | [ Datasheet TC74AC161FT.PDF ] |
Número de pieza | Descripción | Fabricantes |
TC74AC161F | (TC74AC161 / TC74AC163) SYNCHRONOUS PRESETTABLE 4 BIT BINARY COUNTER | Toshiba Semiconductor |
TC74AC161FN | SYNCHRONOUS PRESETTABLE 4 BIT BINARY COUNTER | Toshiba |
TC74AC161FT | SYNCHRONOUS PRESETTABLE 4 BIT BINARY COUNTER | Toshiba |
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