TC74VHC221AFT
Features
- High speed: tpd = 8.1 ns (typ.) at VCC = 5 V
- Low power dissipation
Standby state: 4 μA (max) at Ta = 25°C
Active state: 600 μA (max) at Ta = 25°C
- High noise immunity: VNIH = VNIL = 28% VCC (min)
- Power down protection is equipped with all inputs.
- Balanced propagation delays: tp LH ∼- tp HL
- Wide operating voltage range: VCC (opr) = 2 to 5.5 V
- Pin and function patible with 74HC123A/221A
TC74VHC123AFN, TC74VHC221AFN
TC74VHC123AFT, TC74VHC221AFT
TC74VHC123AFK, TC74VHC221AFK
Weight SOP16-P-300-1.27A SOL16-P-150-1.27 TSSOP16-P-0044-0.65A VSSOP16-P-0030-0.50
: 0.18 g (typ.) : 0.13 g (typ.) : 0.06 g (typ.) : 0.02 g (typ.)
1 2007-10-19
Pin Assignment
1A 1 1B 2 1CLR 3 1Q 4 2Q 5 2CX 6 2RX/CX 7 GND 8
(top view)
IEC Logic Symbol
16 VCC 15 1RX/CX 14 1CX 13 1Q 12 2Q 11 2CLR 10 2B 9 2A
1A (1) 1B (2)
1CLR 1CX
1RX/CX
2A 2B
(3) (14) (15)
(9) (10)
2CLR
2CX 2RX/CX
(11) (6) (7)
TC74VHC123A &
R CX RX/CX
&
R CX RX/CX
(13) 1Q (4) 1Q
(5) 2Q (12) 2Q
Truth Table
Inputs A B...
