TC74AC161FT
TC74AC161FT is Synchronous Presettable 4-Bit Binary Counter manufactured by Toshiba.
Features
- 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 m A (min)
Capability of driving 50 Ω transmission lines.
- Balanced propagation delays: tp LH ∼- tp HL
- Wide operating voltage range: VCC (opr) = 2 to 5.5 V
- Pin and function patible with 74F161/163
TC74AC161F, TC74AC163F
TC74AC161FT, TC74AC163FT
Weight DIP16-P-300-2.54A SOP16-P-300-1.27A TSSOP16-P-0044-0.65A
: 1.00 g (typ.) : 0.18 g (typ.) : 0.06 g (typ.)
Start of mercial production
1987-05
2014-03-01
Pin Assignment
TC74AC161,163P/F/FT
CLR 1 CK 2 A3 B4 C5 D6
ENP 7 GND 8
(top view)
IEC Logic Symbol
16 VCC 15 Carry Output 14 QA 13 QB 12 QC 11 QD 10 ENT 9 LOAD
CLR (1) LOAD (9)
ENT (10) ENP (7)
CK (2)
TC74AC161 CTRDIV 16 CT = 0
M1
M2 G3 3CT = 15
G4
C5/2, 3, 4+
A (3) 1, 5D (1)
B (4)
(2)
C (5)
(4)
D (6)
(8)
(15) Carry...
