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Toshiba Electronic Components Datasheet

TC74VHC126FT Datasheet

QUAD BUS BUFFER

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TC74VHC126FT pdf
TC74VHC125,126F/FN/FT/FK
TOSHIBA CMOS Digital Integrated Circuit Silicon Monolithic
TC74VHC125F,TC74VHC125FN,TC74VHC125FT,TC74VHC125FK
TC74VHC126F,TC74VHC126FN,TC74VHC126FT,TC74VHC126FK
TC74VHC125F/FN/FT/FK Quad Bus Buffer
TC74VHC126F/FN/FT/FK Quad Bus Buffer
The TC74VHC125/126 are high speed CMOS QUAD BUS
BUFFERs fabricated with silicon gate C2MOS technology.
They achieve the high speed operation similar to equivalent
Bipolar Shottky TTL while maintaining the CMOS low power
dissipation.
The TC74VHC125 requires the 3-state control input G to be
set high to place the output into the high impedance state,
whereas the TC74VHC126 requires the control input G to be set
low to place the output into high impedance.
An input protection circuit ensures that 0 to 5.5 V can be
applied to the input pins without regard to the supply voltage.
This device can be used to interface 5 V to 3 V systems and two
supply systems such as battery back up.
This circuit prevents device destruction due to mismatched
supply and input voltages.
Features
High speed: tpd = 3.8 ns (typ.) at VCC = 5 V
Low power dissipation: ICC = 4 μA (max) at Ta = 25°C
High noise immunity: VNIH = VNIL = 28% VCC (min)
Power down protection is provided on all inputs.
Balanced propagation delays: tpLH ∼− tpHL
Wide operating voltage range: VCC (opr) = 2 to 5.5 V
Low noise: VOLP = 0.8 V (max)
Pin and function compatible with 74ALS125/126
Note: xxxFN (JEDEC SOP) is not available in
Japan.
TC74VHC125F, TC74VHC126F
TC74VHC125FN, TC74VHC126FN
TC74VHC125FT, TC74VHC126FT
TC74VHC125FK, TC74VHC126FK
Weight
SOP14-P-300-1.27A
SOL14-P-150-1.27
TSSOP14-P-0044-0.65A
VSSOP14-P-0030-0.50
: 0.18 g (typ.)
: 0.12 g (typ.)
: 0.06 g (typ.)
: 0.02 g (typ.)
1 2007-10-01


Toshiba Electronic Components Datasheet

TC74VHC126FT Datasheet

QUAD BUS BUFFER

No Preview Available !

TC74VHC126FT pdf
Pin Assignment
TC74VHC125
1G 1
1A 2
1Y 3
2G 4
2A 5
2Y 6
GND 7
14 VCC
13 4G
12 4A
11 4Y
10 3G
9 3A
8 3Y
(top view)
IEC Logic Symbol
1G (1)
1A (2)
2G (4)
2A (5)
3G (10)
3A (9)
4G (13)
4A (12)
TC74VHC125
EN
Truth Table
TC74VHC125
Inputs
GA
HX
LL
LH
Output
Y
Z
L
H
X: Don’t care
Z: High impedance
(3) 1Y
(6) 2Y
(8) 3Y
(11) 4Y
TC74VHC125,126F/FN/FT/FK
TC74VHC126
1G 1
1A 2
1Y 3
2G 4
2A 5
2Y 6
GND 7
14 VCC
13 4G
12 4A
11 4Y
10 3G
9 3A
8 3Y
(top view)
1G (1)
1A (2)
2G (4)
2A (5)
3G (10)
3A (9)
4G (13)
4A (12)
TC74VHC126
EN
(3) 1Y
(6) 2Y
(8) 3Y
(11) 4Y
TC74VHC126
Inputs
GA
LX
HL
HH
Output
Y
Z
L
H
X: Don’t care
Z: High impedance
2 2007-10-01


Part Number TC74VHC126FT
Description QUAD BUS BUFFER
Maker Toshiba
Total Page 11 Pages
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