SGS Thomson Microelectronics 74AC08M, 74AC08B, 74AC08TTR, 74AC08MTR Datasheet

74AC08

QUAD 2-INPUT AND GATE

■ HIGH SPEED: t

■ LOW POWER DISSIPATION:

= 2µA(MAX.) at TA=25°C

I

CC

■ HIGH NOISE IMMUNITY:

V

= V

NIH

■ 50Ω TRANSMISSION LINE DRIVING

= 28 % VCC (MIN.)

NIL

= 4ns (TYP.) at VCC = 5V

PD

CAPABILITY

■ SYMMETRICAL OUTPUT IMPEDANCE:

|I

| = IOL = 24mA (MIN)

OH

■ BALANCED PROPAGATION DELAYS:

t

≅ t

PLH

■ OPERATING VOLTAGE RANGE:

V

CC

■ PIN AND FUNCTION COMPATIBLE WITH

PHL

(OPR) = 2V to 6V

74 SERIES 08

■ IMPROVED LATCH-UP IMMUNITY

DESCRIPTION

The 74AC08 is an advanced high-speed CMOS QUAD 2-INPUT AND GATE fabricated with sub-micron silicon gate and double-layer metal wiring C

2

MOS tecnology.

TSSOPDIP SOP

ORDER CODES

PACKAGE TUBE T & R

DIP 74AC08B

SOP 74AC08M 74AC08MTR

TSSOP 74AC08TTR

The internal circuit is composed of 2 stages including buffer output , which enables high noise immunity and stable output. All inputs and outputs are equipped with protection circuits against stat ic discharge, giving them 2KV ESD immunity and transient excess voltage.

PIN CONNECTION AND IEC LOGIC SYMBOLS

1/8April 2001

74AC08

INPUT AND OUTPUT EQUIVALENT CIRCUIT PIN DESCRIPTION

PIN No SYMBOL NAME AND FUNCTION

1, 4, 9, 12 1A to 4A Data Inputs

2, 5, 10, 13 1B to 4B Data Inputs

3, 6, 8, 11 1Y to 4Y Data Outputs

7 GND Ground (0V)

14

V

CC

TRUTH TABLE

ABY

LLL

LHL HLL HHH

ABSOLUTE MAXIMUM RATINGS

Symbol Parameter Value Unit

V

I

OK

I

or I

CC

T

Absolute Maximum Ratings are those values beyond which damage to the device may occur. Functional operation under these conditions is not implied.

Supply Voltage

CC

DC Input Voltage -0.5 to VCC + 0.5

I

DC Output Voltage -0.5 to VCC + 0.5

O

DC Input Diode Current

IK

DC Output Diode Current DC Output Current

O

DC VCC or Ground Current

GND

Storage Temperature

stg

Lead Temperature (10 sec)

L

Positive Supply Voltage

-0.5 to +7 V V V

± 20 mA ± 20 mA ± 50 mA

± 200 mA

-65 to +150 °C 300 °C

RECOMMENDED OPERATING CONDITIONS

Symbol Parameter Value Unit

V

T

dt/dv

1) VIN from 30 % to 70% of V

2/8

Supply Voltage

CC

Input Voltage 0 to V

I

Output Voltage 0 to V

O

Operating Temperature

op

Input Rise and Fall Time V

CC

= 3.0, 4.5 or 5.5V (note 1)

CC

2 to 6 V

CC CC

-55 to 125 °C 8 ns/V

V V

DC SPECIFICATIONS

Test Condition Value

= 25°C

Symbol Parameter

V

CC

(V)

V

I

OLD

I

OHD

1) Maxim um test duration 2ms, one output loaded at time

2) Incid ent wave swi tc hi ng is guara nt eed on transmi ssion line s wi t h i mpedance s as low as 50Ω

High Level Input

IH

Voltage

Low Level Input

IL

Voltage

High Level Output

OH

Voltage

Low Level Output

OL

Voltage

I

Input Leakage

I

Current Quiescent Supply

CC

Current Dynamic Output

Current (note 1, 2)

3.0

5.5 3.85 2.75 3.85 3.85

3.0

5.5 2.75 1.65 1.65 1.65

3.0

4.5

5.5

3.0

4.5

5.5

3.0

4.5

5.5

3.0

4.5

5.5

= 0.1 V or

V

O

V

-0.1V

CC

= 0.1 V or

V

O

V

-0.1V

CC

=-50 µA

I

O

I

=-50 µA

O

I

=-50 µA

O

I

=-12 mA

O

I

=-24 mA

O

I

=-24 mA

O

IO=50 µA I

=50 µA

O

I

=50 µA

O

I

=12 mA

O

I

=24 mA

O

I

=24 mA

O

= VCC or GND

V

I

= VCC or GND

V

I

V

= 1.65 V max

OLD

V

= 3.85 V min

OHD

T

A

Min. Typ. Max. Min. Max. Min. Max.

2.1 1.5 2.1 2.1

1.5 0.9 0.9 0.9

2.9 2.99 2.9 2.9

4.4 4.49 4.4 4.4

5.4 5.49 5.4 5.4

2.56 2.46 2.4

3.86 3.76 3.7

4.86 4.76 4.7

0.002 0.1 0.1 0.1

0.001 0.1 0.1 0.1

0.36 0.44 0.5

± 0.1 ± 1 ± 1 µA

22040µA

74AC08

-40 to 85°C -55 to 125°C

75 50 mA

-75 -50 mA

Unit

V4.5 3.15 2.25 3.15 3.15

V4.5 2.25 1.35 1.35 1.35

V

AC ELECTRICAL CHARACTERISTICS (CL = 50 pF, RL = 500 Ω, Input tr = tf = 3ns)

Test Condition Value

T

Symbol Parameter

t

PLH tPHL

(*) Vol tage range is 3. 3V ± 0.3V (**) Voltage range is 5.0V ±

Propagation Delay Time

0.5V

V

3.3

5.0

CC

(V)

(*)

(**)

= 25°C

A

-40 to 85°C -55 to 125°C

Min. Typ. Max. Min. Max. Min. Max.

1.5 5.5 9.5 1.0 10 1.0 12.5

1.5 4.0 7.5 1.0 8.5 1.0 9.0

Unit

ns

3/8