DM93L14CW datasheet, PDF - EEWORLD Datasheet

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DM93L14CW: DescriptionD Latch, 93 Series, 1-Func, Low Level Triggered, 4-Bit, True Output, WAFER; Categorylogic logic; File Size131KB，7 Pages; ManufacturerFairchild; Websitehttp://www.fairchildsemi.com/

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DM93L14CW Overview

D Latch, 93 Series, 1-Func, Low Level Triggered, 4-Bit, True Output, WAFER

DM93L14CW Parametric

Parameter Name	Attribute value
Maker	Fairchild
Parts packaging code	WAFER
package instruction	WAFER
Reach Compliance Code	unknown
series	93
JESD-30 code	X-XUUC-N
Logic integrated circuit type	D LATCH
Number of digits	4
Number of functions	1
Maximum operating temperature	70 °C
Minimum operating temperature
Output polarity	TRUE
Package body material	UNSPECIFIED
encapsulated code	DIE
Package shape	UNSPECIFIED
Package form	UNCASED CHIP
propagation delay (tpd)	30 ns
Certification status	Not Qualified
Maximum supply voltage (Vsup)	5.5 V
Minimum supply voltage (Vsup)	4.5 V
Nominal supply voltage (Vsup)	5 V
surface mount	YES
Temperature level	COMMERCIAL
Terminal form	NO LEAD
Terminal location	UPPER
Trigger type	LOW LEVEL

DM93L14CW Preview

DM93L14 Quad Latch

June 1989

Revised November 1999

DM93L14

Quad Latch

General Description

The DM93L14 is a multifunctional 4-bit latch designed for

general purpose storage applications in high speed digital

systems. All outputs have active pull-up circuitry to provide

high capacitance drive and to provide low impedance in

both logic states for good noise immunity.

Features

Can be used as single input D latches or set/reset

latches

Active low enable gate input

Overriding master reset

Ordering Code:

Order Number

DM93L14N

Package Number

N14A

Package Description

14-Lead Plastic Dual-In-Line Package (PDIP), JEDEC MS-001, 0.300 Wide

Logic Symbol

Connection Diagram

Pin 16

GND

Pin 8

Pin Descriptions

Pin Names

−

Description

Enable Input (Active LOW)

Data Inputs

Set Inputs (Active LOW)

Master Reset Input (Active LOW)

Latch Outputs

DS009612

www.fairchildsemi.com

DM93L14

Functional Description

The DM93L14 consists of four latches with a common

active LOW Enable input and active LOW Master Reset

input. When the Enable goes HIGH, data present in the

latches is stored and the state of the latch is no longer

affected by the S

and D

inputs. the Master Reset when

activated overrides all other input conditions forcing all

latch outputs LOW. Each of the four latches can be oper-

ated in one of two modes:

D-TYPE LATCH—For D-type operation the S input of a

latch is held LOW. While the common Enable is active the

latch output follows the D input. Information present at the

latch output is stored in the latch when the Enable goes

HIGH.

SET/RESET LATCH—During set/reset operation when the

common Enable is LOW a latch is reset by a LOW on the D

input, and can be set by a LOW on the S input if the D input

is HIGH. If both S and D inputs are LOW, the D input will

dominate and the latch will be reset. When the Enable

goes HIGH, the latch remains in the last state prior to dis-

ablement. The two modes of latch operation are shown in

the Truth Table.

Truth Table

n-1

RESET

R/S Mode

Operation

D Mode

HIGH Voltage Level

LOW Voltage Level

Immaterial

n−1

Previous Output State

Present Output State

Logic Diagram

www.fairchildsemi.com

DM93L14

Absolute Maximum Ratings

(Note 1)

Supply Voltage

Input Voltage

Operating Free Air Temperature Range

Storage Temperature Range

5.5V

0°C to

+70°C

−65°C

+150°C

Note 1:

The Absolute Maximum Ratings are those values beyond which

the safety of the device cannot be guaranteed. The device should not be

operated at these limits. The parametric values defined in the Electrical

Characteristics tables are not guaranteed at the absolute maximum ratings.

The Recommended Operating Conditions table will define the conditions

for actual device operation.

Recommended Operating Conditions

Symbol

(H)

(L)

(H)

(L)

(H)

(L)

REC

Supply Voltage

HIGH Level Input Voltage

LOW Level Input Voltage

HIGH Level Output Voltage

LOW Level Output Current

Free Air Operating Temperature

Setup Time HIGH or LOW

Hold Time HIGH or LOW

Setup time HIGH, D

Hold time LOW, D

Parameter

Min

4.5

0.7

Nom

Max

5.5

Units

−

400

4.8

−

125

E Pulse Width LOW

MR Pulse Width LOW

Recovery time,

www.fairchildsemi.com

DM93L14

Electrical Characteristics

Over recommended operating free air temperature range (unless otherwise noted)

Symbol

Parameter

Input Clamp Voltage

HIGH Level Output Voltage

LOW Level Output Voltage

Input Current @ Max

Input Voltage

HIGH Level Input Current

LOW Level Input Current

Short Circuit

Output Current

Supply Current

Note 2:

All typicals are at V

5V, T

25°C

Note 3:

Not more than one output should be shorted at a time, and the duration should not exceed one second.

Note 4:

is measured with all outputs open and all inputs grounded.

Conditions

Min, I

= −10

Min, I

Max,

Max, V

Min

Min, I

Max,

Min, V

Max

Max, V

5.5V

Max, V

2.4V

Max, V

0.3V

Max

(Note 3)

Max (Note 4)

Inputs

Min

Typ

(Note 2)

Max

−1.5

Units

2.4

0.3

−400

−600

−2.5

−25

16.5

µA

Switching Characteristics

= +

5.0V, T

= +25°C

(See Waveforms and Load Configurations)

Symbol

PLH

PHL

PLH

PHL

PLH

PHL

Propagation Delay

E to Q

Propagation Delay

to Q

Propagation Delay, MR to Q

Propagation Delay, S

to Q

Parameter

Min

Max

Units

www.fairchildsemi.com

DM93L14 Quad Latch

Physical Dimensions

inches (millimeters) unless otherwise noted

14-Lead Plastic Dual-In-Line Package (PDIP), JEDEC MS-001, 0.300 Wide

Package Number N14A

Fairchild does not assume any responsibility for use of any circuitry described, no circuit patent licenses are implied and

Fairchild reserves the right at any time without notice to change said circuitry and specifications.

LIFE SUPPORT POLICY

FAIRCHILD’S PRODUCTS ARE NOT AUTHORIZED FOR USE AS CRITICAL COMPONENTS IN LIFE SUPPORT

DEVICES OR SYSTEMS WITHOUT THE EXPRESS WRITTEN APPROVAL OF THE PRESIDENT OF FAIRCHILD

SEMICONDUCTOR CORPORATION. As used herein:

1. Life support devices or systems are devices or systems

which, (a) are intended for surgical implant into the

body, or (b) support or sustain life, and (c) whose failure

to perform when properly used in accordance with

instructions for use provided in the labeling, can be rea-

sonably expected to result in a significant injury to the

user.

2. A critical component in any component of a life support

device or system whose failure to perform can be rea-

sonably expected to cause the failure of the life support

device or system, or to affect its safety or effectiveness.

www.fairchildsemi.com

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DM93L14CW Related Products

	DM93L14CW
Description	D Latch, 93 Series, 1-Func, Low Level Triggered, 4-Bit, True Output, WAFER
Maker	Fairchild
Parts packaging code	WAFER
package instruction	WAFER
Reach Compliance Code	unknown
series	93
JESD-30 code	X-XUUC-N
Logic integrated circuit type	D LATCH
Number of digits	4
Number of functions	1
Maximum operating temperature	70 °C
Output polarity	TRUE
Package body material	UNSPECIFIED
encapsulated code	DIE
Package shape	UNSPECIFIED
Package form	UNCASED CHIP
propagation delay (tpd)	30 ns
Certification status	Not Qualified
Maximum supply voltage (Vsup)	5.5 V
Minimum supply voltage (Vsup)	4.5 V
Nominal supply voltage (Vsup)	5 V
surface mount	YES
Temperature level	COMMERCIAL
Terminal form	NO LEAD
Terminal location	UPPER
Trigger type	LOW LEVEL

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