tc74vhc540f TOSHIBA Semiconductor CORPORATION, tc74vhc540f Datasheet

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tc74vhc540f

Manufacturer Part Number
tc74vhc540f
Description
Octal Bus Buffer
Manufacturer
TOSHIBA Semiconductor CORPORATION
Datasheet
1.TC74VHC540F.pdf (10 pages)

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Octal Bus Buffer
CMOS OCTAL BUS BUFFERs fabricated with silicon gate
C
Bipolar Schottky TTL while maintaining the CMOS low power
dissipation.
is a non-inverting type.
the high-impedance state.
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
•
•
•
•
•
•
•
•
2
The TC74VHC540/TC74VHC541 are advanced high speed
They achieve the high speed operation similar to equivalent
The TC74VHC540 is an inverting type, and the TC74VHC541
When either
An input protection circuit ensures that 0 to 5.5 V can be
MOS technology.
High speed: t
Low power dissipation: I
High noise immunity: V
Power down protection is provided on all inputs.
Balanced propagation delays: t
Wide operating voltage range: V
Low noise: V
Pin and function compatible with 74ALS540/541
TC74VHC540F/FT/FK
TC74VHC541F/FT/FK
G
OLP
pd
1
TC74VHC540F,TC74VHC540FT,TC74VHC540FK
TC74VHC541F,TC74VHC541FT,TC74VHC541FK
= 3.7 ns (typ.) at V
or
= 1.2 V (max)
TOSHIBA CMOS Digital Integrated Circuit Silicon Monolithic
G
2
Non-Inverted, 3-State Outputs
NIH
CC
are high, the terminal outputs are in
= 4 μA (max) at Ta = 25°C
= V
Inverted, 3-State Outputs
pLH
NIL
CC (opr)
CC
∼ − t
= 28% V
= 5 V
pHL
= 2 V to 5.5 V
CC
(min)
1
Weight
SOP20-P-300-1.27A
TSSOP20-P-0044-0.65A
VSSOP20-P-0030-0.50
TC74VHC540F, TC74VHC541F
TC74VHC540FT, TC74VHC541FT
TC74VHC540FK, TC74VHC541FK
TC74VHC540,541F/FT/FK
: 0.22 g (typ.)
: 0.08 g (typ.)
: 0.03 g (typ.)
2007-10-01

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tc74vhc540f Summary of contents

Page 1

... Low noise 1.2 V (max) OLP • Pin and function compatible with 74ALS540/541 = 28% V (min) NIL CC ∼ − t pLH pHL = 5 (opr) 1 TC74VHC540,541F/FT/FK TC74VHC540F, TC74VHC541F TC74VHC540FT, TC74VHC541FT TC74VHC540FK, TC74VHC541FK Weight SOP20-P-300-1.27A : 0.22 g (typ.) TSSOP20-P-0044-0.65A : 0.08 g (typ.) VSSOP20-P-0030-0.50 : 0.03 g (typ.) 2007-10-01 ...

Page 2

Pin Assignment TC74VHC540 GND 10 (top view) IEC Logic Symbol TC74VHC540 (1) & (19 (2) A1 ...

Page 3

Absolute Maximum Ratings (Note) Characteristics Supply voltage range DC input voltage DC output voltage Input diode current Output diode current DC output current DC V /ground current CC Power dissipation Storage temperature Note: Exceeding any of the absolute maximum ratings, ...

Page 4

Electrical Characteristics DC Characteristics Characteristics Symbol High-level input V IH voltage Low-level input V IL voltage High-level output V OH voltage Low-level output V OL voltage 3-state output I OZ off-state current Input leakage I IN current Quiescent supply I ...

Page 5

AC Characteristics (input Characteristics Symbol Propagation delay t pLH time t pHL (TC74VHC540) Propagation delay t pLH time t pHL (TC74VHC541) t pZL 3-state output enable R time t pZH t pLZ 3-state output disable R time t ...

Page 6

Input Equivalent Circuit INPUT TC74VHC540,541F/FT/FK 6 2007-10-01 ...

Page 7

Package Dimensions Weight: 0.22 g (typ.) TC74VHC540,541F/FT/FK 7 2007-10-01 ...

Page 8

Package Dimensions Weight: 0.08 g (typ.) TC74VHC540,541F/FT/FK 8 2007-10-01 ...

Page 9

Package Dimensions Weight: 0.03 g (typ.) TC74VHC540,541F/FT/FK 9 2007-10-01 ...

Page 10

RESTRICTIONS ON PRODUCT USE • The information contained herein is subject to change without notice. • TOSHIBA is continually working to improve the quality and reliability of its products. Nevertheless, semiconductor devices in general can malfunction or fail due to ...

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