HIT HD74HC368 Datasheet

HD74HC368

Hex Bus Drivers (inverted Data Outputs with 3-state outputs)

Features

• High Speed Operation: tpd (A to Y) = 9 ns typ (CL = 50 pF)

• High Output Current: Fanout of 15 LSTTL Loads

• Wide Operating Voltage: VCC = 2 to 6 V

• Low Input Current: 1 µA max

• Low Quiescent Supply Current: ICC (static) = 4 µA max (Ta = 25°C)

Function Table

G AY

HX Z
LL H
LH L

X : irrelevant
Z : Off (high-impedance) state of a 3-state output.

HD74HC368

Pin Arrangement

G

1A

1Y

2A

2Y

3A

3Y

GND

1

1

2

3

4

5

6

7

8

16

15

14

13

12

11

10

V

CC

G

2

6A

6Y

5A

5Y

4A

4Y

9

(Top view)

Absolute Maximum Ratings

Item Symbol Rating Unit

Supply voltage range V
Input voltage V
Output voltage V
DC current drain per pin I
DC current drain per VCC, GND ICC, I
DC input diode current I
DC output diode current I
Power dissipation per package P

CC

IN

OUT

OUT

GND

IK

OK

T

Storage temperature Tstg –65 to +150 °C

–0.5 to +7.0 V
–0.5 to VCC + 0.5 V
–0.5 to VCC + 0.5 V

±35 mA
±75 mA
±20 mA
±20 mA

500 mW

2

HD74HC368

DC Characteristics

Ta = –40 to

Ta = 25°C

Item Symbol V

Input voltage V

IH

(V) Min Typ Max Min Max Unit Test Conditions

CC

2.0 1.5 — — 1.5 — V

4.5 3.15 — — 3.15 —

6.0 4.2 — — 4.2 —

V

IL

2.0 — — 0.5 — 0.5 V

4.5 — — 1.35 — 1.35

6.0 — — 1.8 — 1.8

Output voltage V

OH

2.0 1.9 2.0 — 1.9 — V Vin = VIH or VILIOH = –20 µA

4.5 4.4 4.5 — 4.4 —

6.0 5.9 6.0 — 5.9 —

4.5 4.18 — — 4.13 — IOH = –6 mA

6.0 5.68 — — 5.63 — IOH = –7.8 mA

V

OL

2.0 — 0.0 0.1 — 0.1 V Vin = VIH or VILIOL = 20 µA

4.5 — 0.0 0.1 — 0.1

6.0 — 0.0 0.1 — 0.1

4.5 — — 0.26 — 0.33 IOL = 6 mA

6.0 — — 0.26 — 0.33 IOL = 7.8 mA

Off-state output

I

OZ

6.0 — — ±0.5 — ±5.0 µA Vin = VIH or VIL,

current
Input current Iin 6.0 — — ±0.1 — ±1.0 µA Vin = VCC or GND
Quiescent supply

I

CC

6.0 — — 4.0 — 40 µA Vin = VCC or GND, Iout = 0 µA

current

+85°C

Vout = V

or GND

CC

3