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Toshiba Electronic Components Datasheet

TC74VHC540FK Datasheet

OCTAL BUS BUFFER

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TC74VHC540FK pdf
TC74VHC540,541F/FW/FT/FK
TOSHIBA CMOS Digital Integrated Circuit Silicon Monolithic
TC74VHC540F,TC74VHC540FW,TC74VHC540FT,TC74VHC540FK
TC74VHC541F,TC74VHC541FW,TC74VHC541FT,TC74VHC541FK
Octal Bus Buffer
TC74VHC540F/FW/FT/FK
Inverted, 3-State Outputs
TC74VHC541F/FW/FT/FK
Non-Inverted, 3-State Outputs
Note: xxxFW (JEDEC SOP) is not available in
Japan.
TC74VHC540F, TC74VHC541F
The TC74VHC540/TC74VHC541 are advanced high speed
CMOS OCTAL BUS BUFFERs fabricated with silicon gate
C2MOS technology.
They achieve the high speed operation similar to equivalent
Bipolar Schottky TTL while maintaining the CMOS low power
dissipation.
The TC74VHC540 is an inverting type, and the TC74VHC541
is a non-inverting type.
When either G1 or G2 are high, the terminal outputs are in
the high-impedance state.
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 = 3.7 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 V to 5.5 V
Low noise: VOLP = 1.2 V (max)
Pin and function compatible with 74ALS540/541
TC74VHC540FW, TC74VHC541FW
TC74VHC540FT, TC74VHC541FT
TC74VHC540FK, TC74VHC541FK
Weight
SOP20-P-300-1.27A
: 0.22 g (typ.)
SOP20-P-300-1.27
: 0.22 g (typ.)
SOL20-P-300-1.27
: 0.46 g (typ.)
TSSOP20-P-0044-0.65A : 0.08 g (typ.)
VSSOP20-P-0030-0.50 : 0.03 g (typ.)
1 2006-06-01


Toshiba Electronic Components Datasheet

TC74VHC540FK Datasheet

OCTAL BUS BUFFER

No Preview Available !

TC74VHC540FK pdf
Pin Assignment
G1 1
A1 2
A2 3
A3 4
A4 5
A5 6
A6 7
A7 8
A8 9
GND 10
TC74VHC540
(top view)
IEC Logic Symbol
20 VCC
19 G2
18 Y1
17 Y2
16 Y3
15 Y4
14 Y5
13 Y6
12 Y7
11 Y8
G1
G2
(1)
(19)
A1 (2)
A2 (3)
A3 (4)
A4 (5)
A5 (6)
A6 (7)
A7 (8)
A8 (9)
TC74VHC540
& EN
(18) Y1
(17) Y2
(16) Y3
(15) Y4
(14) Y5
(13) Y6
(12) Y7
(11) Y8
Truth Table
Inputs
G1 G2 An
HXX
XHX
L LH
LLL
Outputs
Yn Yn
ZZ
ZZ
HL
LH
X: Don’t care
Z: High impedance
Yn: TC74VHC541
Yn : TC74VHC540
TC74VHC540,541F/FW/FT/FK
G1 1
A1 2
A2 3
A3 4
A4 5
A5 6
A6 7
A7 8
A8 9
GND 10
TC74VHC541
(top view)
20 VCC
19 G2
18 Y1
17 Y2
16 Y3
15 Y4
14 Y5
13 Y6
12 Y7
11 Y8
G1
G2
(1)
(19)
A1 (2)
A2 (3)
A3 (4)
A4 (5)
A5 (6)
A6 (7)
A7 (8)
A8 (9)
TC74VHC541
& EN
(18) Y1
(17) Y2
(16) Y3
(15) Y4
(14) Y5
(13) Y6
(12) Y7
(11) Y8
2 2006-06-01


Part Number TC74VHC540FK
Description OCTAL BUS BUFFER
Maker Toshiba
Total Page 12 Pages
PDF Download
TC74VHC540FK pdf
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2 TC74VHC540FK OCTAL BUS BUFFER Toshiba
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3 TC74VHC540FT OCTAL BUS BUFFER Toshiba
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4 TC74VHC540FW OCTAL BUS BUFFER Toshiba
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