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TC74AC161F

Features: `High speed: fmax = 170 MHz (typ.) at VCC = 5 V`Low power dissipation: ICC= 8 A (max) at Ta = 25`High noise immunity: VNIH= VNIL = 28% VCC(min)`Symmetrical output impedance:|IOH|= IOL = 24 mA (min) Capability of driving 50transmission lines. `Balanced propagation delays: tpLH tpHL`Wide o...

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SeekIC No. : 004514375 Detail

TC74AC161F: Features: `High speed: fmax = 170 MHz (typ.) at VCC = 5 V`Low power dissipation: ICC= 8 A (max) at Ta = 25`High noise immunity: VNIH= VNIL = 28% VCC(min)`Symmetrical output impedance:|IOH|= IOL = 24...

TC74AC161F Data Sheet

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Part Number:
TC74AC161F
Supply Ability:
5000

Price Break

  • Qty
  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Product Details

Description



Features:

`High speed: f max = 170 MHz (typ.) at VCC    = 5 V 
`Low power dissipation: ICC  = 8 A (max) at Ta = 25   
`High noise immunity: VNIH  = VNIL   = 28% V CC (min) 
`Symmetrical output impedance:  |IOH |= I OL = 24 mA (min)   
                                                       Capability of driving 50  
                                                       transmission lines.  
`Balanced propagation delays: tpLH t pHL 
`Wide operating voltage range: VCC (opr) = 2 to 5.5 V   
` Pin and function compatible with 74F161/163 
 


Pinout

Connection Diagram


Specifications

Characteristics
Symbol
Rating
Unit
Supply voltage range
VCC
-0.5 to 7.0
V
DC input voltage
VIN
-0.5 to VCC + 0.5
V
DC output voltage
VIN
-0.5 to VCC + 0.5
V
Input diode current
IIK
±20
mA
Output diode current
IOK
±50
mA
DC output current
IOUT
±50
mA
DC V /ground current
ICC
±125
mA
Power dissipation
PD
500 (DIP) (Note 2)/180 (SOP/TSSOP)
mW
Storage temperature
Tstg
65 to 150



Description

The TC74AC161F and 163 are advanced high speed CMOS SYNCHRONOUS PRESETTABLE COUNTERs fabricated with silico
n gate and double-layer metal wiring C2 MOS technology.

They achieve the high speed operation similar to equivalent  Bipolar Schottky TTL while maintaining the CMOS low powe
r dissipation.

The CK input is active on the rising edge. BothLOAD  and CLR inputs are active on low logic level.

Presetting of these IC!s is synchonous to the rising edge of CK

The clear function of the TC74AC163 is synchronous to CK, while the TC74AC161F are cleared asynchronously.

Two enable inputs (ENP and ENT) and CARRY OUTPUT are provided to enable easy cascading of counters, which cilitates
easy implementation of n-bit counters without using external gates.

All TC74AC161F inputs are equipped with protection circuits against static discharge or transient excess voltage.




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