M74HCT75C1R [STMICROELECTRONICS]

4 BIT D TYPE LATCH; 4位D型锁存器


型号：	M74HCT75C1R
厂家：	ST
描述：	4 BIT D TYPE LATCH 4位D型锁存器锁存器
文件：	总9页 (文件大小：241K)
中文：	中文翻译
下载：	下载PDF数据表文档文件

M54HCT75

M74HCT75

4 BIT D TYPE LATCH

HIGH SPEED

t_PD= 15 ns (TYP.) AT V_CC= 5 V

LOW POWER DISSIPATION

I_CC= 2 µA (MAX.) AT T_A= 25 °C

COMPATIBLE WITH TTL OUTPUTS

V_IH= 2 V (MIN.) V_IL= 0.8 V (MAX.)

OUTPUT DRIVE CAPABILITY 10 LSTTL LOADS

SYMMETRICAL OUTPUT IMPEDANCE

IOH = I_OL= 4 mA (MIN.)

B1R

(Plastic Package)

F1R

(Ceramic Package)

PIN AND FUNCTION COMPATIBLE WITH

54/74LS75

M1R

(Micro Package)

C1R

(Chip Carrier)

DESCRIPTION

TheM54/74HCT75 isahigh speedCMOS4-BITD-TYPE

LATCH fabricated in silicon gate C2MOS technology. It

has the same high speed performance of LSTTL com-

bined withtrue CMOS low power consumption. It contains

two groups of 2-bit latches controlled by an enable input

(G1 • 2 or G3 • 4). These two latch groups can be used

indifferent circuits. Each latch has Q and Q outputs (1Q -

4Q and 1Q - 4Q). The data applied to the data input is

transfered to the Q and Q outputs when the enable input

is taken high and the outputs will follow the data input as

long as the enable input is kept high. When the enable

input is taken low, the information data applied to the data

input is retained at the outputs. All inputs are equipped with

protection circuits against static discharge and transient

excessvoltage.This integrated circuit has input andoutput

characteristics that are fully compatible with 54/74 LSTTL

logic families. M54/74HCT devices are designed to di-

rectly interface HSC²MOS systemswith TTL and NMOS

components. They are also plug in replacements for

LSTTL devices giving a reduction of power consumption.

ORDER CODES :

M54HCT75F1R

M74HCT75M1R

M74HCT75B1R

M74HCT75C1R

PIN CONNECTIONS (top view)

INPUT AND OUTPUT EQUIVALENT CIRCUIT

NC =

No Internal

Connection

January 1993

1/9

M54/M74HCT75

TRUTH TABLE

INPUTS

IEC LOGIC SYMBOL

OUTPUTS

FUNCTION

LATCH

PIN DESCRIPTION

PIN No

SYMBOL

NAME AND FUNCTION

1, 4, 11, 8

1Q to 4Q

Complementary Latch

Outputs

2, 3, 6, 7

1D to 4D

Data Inputs

G3 • 4

Latch Enable Input,

latches 3 and 4

G1 • 2

Latch Enable Input,

latches 1 and 2

15, 15, 10, 9 1Q to 4Q

Latch Outputs

GND

V_CC

Ground (0V)

Positive Supply Voltage

SCHEMATIC CIRCUIT

ABSOLUTE MAXIMUM RATINGS

Symbol

V_CC

V_I

Parameter

Value

Unit

Supply Voltage

-0.5 to +7

-0.5 to V_CC+ 0.5

± 20

DC Input Voltage

V_O

DC Output Voltage

I_IK

DC Input Diode Current

DC Output Diode Current

DC Output Source Sink Current Per Output Pin

^oC

I_OK

± 20

I_O

± 25

I_CCor I_GNDDC V_CCor Ground Current

± 50

P_D

T_stg

T_L

Power Dissipation

500 (*)

Storage Temperature

Lead Temperature (10 sec)

-65 to +150

300

^oC

Absolute MaximumRatingsare those values beyond whichdamage tothe device may occur. Functional operation under these condition isnotimplied.

(*) 500 mW: 65 ^oC derate to 300 mW by 10mW/^oC: 65 ^oC to 85 ^oC

2/9

M54/M74HCT75

RECOMMENDED OPERATING CONDITIONS

Symbol

V_CC

V_I

Parameter

Value

4.5 to 5.5

0 to V_CC

Unit

Supply Voltage

Input Voltage

Output Voltage

V_O

T_op

Operating Temperature: M54HC Series

M74HC Series

-55 to +125

-40 to +85

^oC

t_r, t_f

Input Rise and Fall Time (V_CC= 4.5 to 5.5V)

0 to 500

DC SPECIFICATIONS

Test Conditions

V_CC

Value

-40 to 85 ^oC -55 to 125 ^oC

74HC 54HC

T_A= 25 ^oC

54HC and 74HC

Symbol

V_IH

Parameter

Unit

(V)

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

High Level Input

Voltage

4.5

2.0

5.5

V_IL

Low Level Input

Voltage

4.5

0.8

5.5

V_OH

High Level

V_I= I_O=-20 µA

4.4

4.5

4.4

Output Voltage

V_IH

V_IL

4.5

I_O=-4.0 mA 4.18 4.31

4.13

4.10

V_OL

Low Level Output

Voltage

V_I= I_O= 20 µA

V_IH

V_IL

0.0

0.1

0.33

±1

0.1

0.4

±1

4.5

5.5

I_O= 4.0 mA

0.17 0.26

I_I

Input Leakage

Current

V_I= V_CCor GND

±0.1

µA

I_CC

Quiescent Supply 5.5 V_I= V_CCor GND

Current

∆I_CC

Additional worst

case supply

current

5.5

Per Input pin

V_I= 0.5V or

V_I= 2.4V

2.0

2.9

3.0

Other Inputs at

V_CCor GND

I_O= 0

3/9

M54/M74HCT75

AC ELECTRICAL CHARACTERISTICS (C_L= 50 pF, Input t_r= t_f= 6 ns)

Test Conditions

Value

T_A= 25 ^oC

54HC and 74HC

-40 to 85 ^oC -55 to 125 ^oC

Symbol

Parameter

Unit

V_CC

74HC

54HC

(V)

4.5

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

t_TLH

t_THL

t_PLH

t_PHL

Output Transition

Time

Propagation

Delay Time

(DATA-Q)

4.5

t_PLH

t_PHL

Propagation

Delay Time

(G-Q)

t_W(H)

t_s

Minimum Pulse

Width (G)

4.5

Minimum Set-up

Time

t_h

Minimum Hold

Time

C_IN

Input Capacitance

C_PD(*) Power Dissipation

Capacitance

(*) C_PDisdefined as the value of the IC’s internal equivalent capacitance which is calculated from the operating current consumption without load.

(Refer to Test Circuit). Average operting current can be obtained by the followingequation. I_CC(opr) = C_PD• V_CC• f_IN+ I_CC

SWITCHING CHARACTERISTICS TEST

WAVEFORM

TEST CIRCUIT I_CC(Opr)

* INPUT WAVEFORM IS THE SAME AS THAT IN CASE OF

SWITCHINGCHARACTERISTICSTEST.

4/9

M54/M74HCT75

Plastic DIP16 (0.25) MECHANICAL DATA

inch

TYP.

DIM.

MIN.

0.51

0.77

TYP.

MAX.

MIN.

0.020

0.030

MAX.

1.65

0.065

0.5

0.020

0.010

0.25

0.787

8.5

2.54

17.78

0.335

0.100

0.700

7.1

5.1

0.280

0.201

3.3

0.130

1.27

0.050

P001C

5/9

M54/M74HCT75

Ceramic DIP16/1 MECHANICAL DATA

inch

TYP.

DIM.

MIN.

TYP.

MAX.

MIN.

MAX.

0.787

0.276

3.3

0.130

0.700

0.38

0.015

17.78

2.29

0.4

2.79

0.55

1.52

0.31

1.27

10.3

8.05

5.08

0.090

0.016

0.046

0.009

0.020

0.110

0.022

0.060

0.012

0.050

0.406

0.317

0.200

1.17

0.22

0.51

7.8

0.307

P053D

6/9

M54/M74HCT75

SO16 (Narrow) MECHANICAL DATA

inch

TYP.

DIM.

MIN.

TYP.

MAX.

1.75

0.2

MIN.

MAX.

0.068

0.007

0.064

0.018

0.010

0.1

0.004

1.65

0.46

0.25

0.35

0.19

0.013

0.007

0.5

0.019

45° (typ.)

9.8

5.8

0.385

0.228

0.393

0.244

6.2

1.27

8.89

0.050

0.350

3.8

4.6

0.5

4.0

5.3

0.149

0.181

0.019

0.157

0.208

0.050

0.024

1.27

0.62

8° (max.)

P013H

7/9

M54/M74HCT75

PLCC20 MECHANICAL DATA

inch

TYP.

DIM.

MIN.

9.78

8.89

4.2

TYP.

MAX.

10.03

9.04

MIN.

0.385

0.350

0.165

MAX.

0.395

0.356

0.180

4.57

2.54

0.56

0.100

0.022

7.37

8.38

0.290

0.330

0.004

1.27

5.08

0.38

0.050

0.200

0.015

0.101

1.27

1.14

0.050

0.045

P027A

8/9

M54/M74HCT75

Information furnished is believed to be accurate and reliable. However, SGS-THOMSON Microelectronics assumes no responsability for the

consequences of use of such information nor for any infringement of patents or other rights of third parties which may results from its use. No

license is granted by implication or otherwise under any patent or patent rights of SGS-THOMSON Microelectronics. Specificationsmentioned

in this publication are subject to change without notice. This publication supersedes and replaces all information previously supplied.

SGS-THOMSON Microelectronicsproductsare notauthorized foruse ascritical componentsin life support devices or systems without express

written approval of SGS-THOMSON Microelectonics.

SGS-THOMSON Microelectronics GROUP OF COMPANIES

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9/9

M74HCT75C1R [STMICROELECTRONICS]

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