tc74vhc245f TOSHIBA Semiconductor CORPORATION, tc74vhc245f Datasheet

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tc74vhc245f

Manufacturer Part Number
tc74vhc245f
Description
Octal Bus Transceiver
Manufacturer
TOSHIBA Semiconductor CORPORATION
Datasheet
1.TC74VHC245F.pdf (9 pages)

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Octal Bus Transceiver
BUS TRANSCEIVER fabricated with silicon gate C
technology.
Bipolar Schottky TTL while maintaining the CMOS low power
dissipation.
between data busses. The direction of data transmission is
determined by the level of the DIR input.
the busses are effectively isolated.
discharge.
Features (Note 1) (Note 2) (Note 3)
•
•
•
•
•
•
•
The TC74VHC245 is an advanced high speed CMOS OCTAL
It achieves the high speed operation similar to equivalent
It is intended for two-way asynchronous communication
The enable input ( G ) can be used to disable the device so that
All inputs are equipped with protection circuits against static
High speed: t
Low power dissipation: I
High noise immunity: V
Balanced propagation delays: t
Wide operating voltage range: V
Low noise: V
Pin and function compatible with 74ALS245
Note 1: Do not apply a signal to any bus terminal when it is in
Note 2: All floating (high impedance) bus terminals must have
Note 3: A parasitic diode is formed between the bus and V
the output mode. Damage may result.
their input levels fixed by means of pull up or pull down
resistors.
terminals. Therefore bus terminal can not be used to
interface 5 V to 3 V systems directly.
OLP
pd
TC74VHC245F,TC74VHC245FT,TC74VHC245FK
= 4.0 ns (typ.) at V
= 1.2 V (max)
TOSHIBA CMOS Digital Integrated Circuit Silicon Monolithic
NIH
CC
= 4 μA (max) at Ta = 25°C
= V
pLH
NIL
CC (opr)
CC
∼ − t
= 28% V
= 5 V
pHL
= 2 V to 5.5 V
CC
(min)
2
MOS
1
CC
Weight
SOP20-P-300-1.27A
TSSOP20-P-0044-0.65A
VSSOP20-P-0030-0.50
TC74VHC245F
TC74VHC245FT
TC74VHC245FK
TC74VHC245F/FT/FK
: 0.22 g (typ.)
: 0.08 g (typ.)
: 0.03 g (typ.)
2007-10-01

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tc74vhc245f Summary of contents

Page 1

... Therefore bus terminal can not be used to interface systems directly. 2 MOS = 28% V (min) NIL CC ∼ − t pLH pHL = 5 (opr TC74VHC245F/FT/FK TC74VHC245F TC74VHC245FT TC74VHC245FK 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

... Z Symbol Rating V −0 −0 −0 I/O I − ± ±25 OUT I ± 180 D T −65 to 150 stg 2 TC74VHC245F/FT/FK (19 ( [BA [AB] (2) (18 (3) (17) A2 (4) (16) A3 (5) (15) A4 (6) (14) A5 (7) (13) A6 (8) (12) A7 (9) (11) ...

Page 3

... 4 5 GND OUT 5 GND IN 5 GND 5 TC74VHC245F/FT/FK Unit °C ns 25°C −40 to 85°C Min Typ. Max Min Max 1.50 1.50 ― ― ― V × V × ― ― ― ...

Page 4

... I /8 (per bit ns) (Note Test Condition OLP OLV IHD ILD L 4 TC74VHC245F/FT/ − 25°C 85°C Min Typ. Max Min Max ― 5.8 8.4 1.0 10.0 ― 8.3 11.9 1.0 13.5 ― 4.0 5.5 1.0 6.5 ― 5.5 7.5 1.0 8.5 ― 8.5 13.2 1.0 15.5 ― ...

Page 5

... Input Equivalent Circuit DIR, G INPUT TC74VHC245F/FT/FK Bus Terminal Equivalent Circuit I/O 5 2007-10-01 ...

Page 6

... Package Dimensions Weight: 0.22 g (typ.) TC74VHC245F/FT/FK 6 2007-10-01 ...

Page 7

... Package Dimensions Weight: 0.08 g (typ.) TC74VHC245F/FT/FK 7 2007-10-01 ...

Page 8

... Package Dimensions Weight: 0.03 g (typ.) TC74VHC245F/FT/FK 8 2007-10-01 ...

Page 9

... Please contact your sales representative for product-by-product details in this document regarding RoHS compatibility. Please use these products in this document in compliance with all applicable laws and regulations that regulate the inclusion or use of controlled substances. Toshiba assumes no liability for damage or losses occurring as a result of noncompliance with applicable laws and regulations. TC74VHC245F/FT/FK 9 20070701-EN 2007-10-01 ...

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