TC74AC520P Toshiba, TC74AC520P Datasheet

TC74AC520P

Manufacturer Part Number

TC74AC520P

Description

Manufacturer

Toshiba

Type

Identity Comparatorr

Datasheet

1.TC74AC520P.pdf (3 pages)

Specifications of TC74AC520P

Logic Family

Technology

CMOS

High Level Output Current

-24mA

Low Level Output Current

24mA

Output Function

A=B

Polarity

Inverting

Operating Supply Voltage (typ)

2.5/3.3/5V

Operating Supply Voltage (max)

5.5V

Operating Supply Voltage (min)

Operating Temperature (max)

85C

Operating Temperature (min)

-40C

Operating Temperature Classification

Industrial

Number Of Bits

Lead Free Status / RoHS Status

Not Compliant

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TOSHIBA

TC74AC Series

Features:

•

* for AC521 only

Pin Assignment

Truth Table

The information contained here is subject to change without notice.

The information contained herein is presented only as guide for the applications of our products. No responsibility is assumed by TOSHIBA for any infringements of patents or other rights of the third parties

which may result from its use. No license is granted by implication or otherwise under any patent or patent rights of TOSHIBA or others. These TOSHIBA products are intended for usage in general electronic

equipments (ofﬁce equipment, communication equipment, measuring equipment, domestic electriﬁcation, etc.) Please make sure that you consult with us before you use these TOSHIBA products in equip-

ments which require high quality and/or reliability, and in equipments which could have major impact to the welfare of human life (atomic energy control, spaceship, trafﬁc signal, combustion control, all types

of safety devices, etc.). TOSHIBA cannot accept liability to any damage which may occur in case these TOSHIBA products were used in the mentioned equipments without prior consultation with TOSHIBA.

TOSHIBA CORPORATION

P = Q

P Q

P, Q

25 C*

(min.). Capability of driving 50 transmission lines.

High Speed: t

Low Power Dissipation: I

High Noise Immunity: V

Symmetrical Output Impedance: I

Balanced Propagation Delays: t

Wide Operating Voltage Range: V

Pin and Function Compatible with 74F521

Available in DIP, SOIC and SOP Packages

Don’t Care

INPUTS

GND

OUTPUT

P = Q

= 6.4ns (typ.) at V

(TOP VIEW)

NIH

= V

= 8 A (max.) at T

NIL

pLH

= 28% V

= t

= 5V

P=Q

(opr) = 2V~5.5V

pHL

= I

= 24mA

(min.)

The TC74AC520 and TC74AC521 are advanced high speed

CMOS 8-BIT DIGITAL COMPARATORS fabricated with sili-

con gate and double-layer metal wiring C

Bipolar Schottky TTL, while maintaining the CMOS low

power dissipation.

inputs P0~P7, and inputs Q0~Q7, and indicate whether or

not they are equal.

typ.) to inputs Q0~Q7 and features pull-up resistors on the Q

inputs for switch data.

ing of several packages to compare words greater than 8

bits.

static discharge or transient excess voltage.

IEC Logic Symbol

They achieve the high speed operation similar to equivalent

They compare two 8-bit binary or BCD words applied

The TC74AC520 is equipped with pull-up resistors (20

A signal active low enable is provided to facilitate cascad-

All inputs are equipped with protection circuits against

(11)

(13)

(15)

(17)

(12)

(14)

(16)

(18)

(1)

(2)

(4)

(6)

(8)

(3)

(5)

(7)

(9)

520: with Pull-up Resistor

COMP

P=Q

MOS technology.

(19)

TC74AC520

TC74AC521

P=Q

1/3

Related parts for TC74AC520P

TC74AC520P Summary of contents

Page 1

... The information contained herein is presented only as guide for the applications of our products. No responsibility is assumed by TOSHIBA for any infringements of patents or other rights of the third parties which may result from its use. No license is granted by implication or otherwise under any patent or patent rights of TOSHIBA or others. These TOSHIBA products are intended for usage in general electronic equipments (ofﬁ ...

Page 2

... TOSHIBA CORPORATION UNIT Max. — — V — 0.50 0.90 V 1.65 — — — V — — — 0.1 0.1 0.1 V ...

Page 3

... Propagation Delay Time (G–P=Q) Input Capacitance Power Dissipation Capacitance Note (1 deﬁned as the value of the internal equivalent capacitance which is calculated from the operating current consumption without load. PD Average operating current can be obtained by the equation: I TOSHIBA CORPORATION TEST CONDITION and G inputs only I 5 ...

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