74HC243DB datasheet(7/17 Pages) PHILIPS

Part #	74HC243DB

Description	Quad bus transceiver; 3-state

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Manufacturer	PHILIPS [NXP Semiconductors]

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9397 750 13808

Product data sheet

Rev. 03 — 12 November 2004

7 of 17

Philips Semiconductors

74HC243

Quad bus transceiver; 3-state

Tamb = −40 °C to +85 °C

VIH

HIGH-level input voltage

VCC = 2.0 V

1.5

-

V

VCC = 4.5 V

3.15

-

V

VCC = 6.0 V

4.2

-

V

VIL

LOW-level input voltage

VCC = 2.0 V

-

0.5

V

VCC = 4.5 V

-

1.35

V

VCC = 6.0 V

-

1.8

V

VOH

HIGH-level output voltage

VI =VIH or VIL

IO = −20 µA; VCC = 2.0 V

1.9

-

V

IO = −20 µA; VCC = 4.5 V

4.4

-

V

IO = −20 µA; VCC = 6.0 V

5.9

-

V

IO = −6.0 mA; VCC = 4.5 V

3.84

-

V

IO = −7.8 mA; VCC = 6.0 V

5.34

-

V

VOL

LOW-level output voltage

VI =VIH or VIL

IO =20 µA; VCC = 2.0 V

-

0.1

V

IO =20 µA; VCC = 4.5 V

-

0.1

V

IO =20 µA; VCC = 6.0 V

-

0.1

V

IO = 6.0 mA; VCC = 4.5 V

-

0.33

V

IO = 7.8 mA; VCC = 6.0 V

-

0.33

V

ILI

input leakage current

VI =VCC or GND; VCC = 6.0 V

-

±1.0

µA

IOZ

3-state OFF-state current

VI =VIH or VIL; VCC = 6.0 V;

VO =VCC or GND

--

±5.0

µA

ICC

quiescent supply current

VI =VCC or GND; IO =0A;

VCC = 6.0 V

--80

µA

Tamb = −40 °C to +125 °C

VIH

HIGH-level input voltage

VCC = 2.0 V

1.5

-

V

VCC = 4.5 V

3.15

-

V

VCC = 6.0 V

4.2

-

V

VIL

LOW-level input voltage

VCC = 2.0 V

-

0.5

V

VCC = 4.5 V

-

1.35

V

VCC = 6.0 V

-

1.8

V

VOH

HIGH-level output voltage

VI =VIH or VIL

-

IO = −20 µA; VCC = 2.0 V

1.9

-

V

IO = −20 µA; VCC = 4.5 V

4.4

-

V

IO = −20 µA; VCC = 6.0 V

5.9

-

V

IO = −6.0 mA; VCC = 4.5 V

3.7

-

V

IO = −7.8 mA; VCC = 6.0 V

5.2

-

V

Table 7:

Static characteristics …continued

At recommended operating conditions; voltages are referenced to GND (ground = 0 V).

Symbol

Parameter

Conditions

Min

Typ

Max

Unit

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