SN74LS374 datasheet, PDF - EEWORLD Datasheet

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SN74LS374: DescriptionLS SERIES, 8-BIT DRIVER, TRUE OUTPUT, PDSO20; Categorysemiconductor logic; File Size98KB，8 Pages; ManufacturerON Semiconductor; Websitehttp://www.onsemi.cn

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SN74LS374 Overview

LS SERIES, 8-BIT DRIVER, TRUE OUTPUT, PDSO20

SN74LS374 Parametric

Parameter Name	Attribute value
Number of functions	1
Number of terminals	20
Maximum operating temperature	70 Cel
Minimum operating temperature	0.0 Cel
Maximum supply/operating voltage	5.25 V
Minimum supply/operating voltage	4.75 V
Rated supply voltage	5 V
Number of ports	2
Processing package description	PLASTIC, SOIC-20
state	ACTIVE
Craftsmanship	TTL
packaging shape	RECTANGULAR
Package Size	SMALL OUTLINE
surface mount	Yes
Terminal form	GULL WING
Terminal spacing	1.27 mm
terminal coating	TIN LEAD
Terminal location	DUAL
Packaging Materials	PLASTIC/EPOXY
Temperature level	COMMERCIAL
series	LS
Output characteristics	3-ST
Logic IC type	DRIVER
Number of digits	8
Output polarity	TRUE
propagation delay TPD	30 ns

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SN74LS373, SN74LS374

Octal Transparent Latch

with 3-State Outputs;

Octal D-Type Flip-Flop

with 3-State Output

The SN74LS373 consists of eight latches with 3-state outputs for

bus organized system applications. The flip-flops appear transparent

to the data (data changes asynchronously) when Latch Enable (LE) is

HIGH. When LE is LOW, the data that meets the setup times is

latched. Data appears on the bus when the Output Enable (OE) is

LOW. When OE is HIGH the bus output is in the high impedance state.

The SN74LS374 is a high-speed, low-power Octal D-type Flip-Flop

featuring separate D-type inputs for each flip-flop and 3-state outputs

for bus oriented applications. A buffered Clock (CP) and Output

Enable (OE) is common to all flip-flops. The SN74LS374 is

manufactured using advanced Low Power Schottky technology and is

compatible with all ON Semiconductor TTL families.

http://onsemi.com

LOW

POWER

SCHOTTKY

MARKING

DIAGRAMS

SN74LS37xN

AWLYYWW

•

Eight Latches in a Single Package

3-State Outputs for Bus Interfacing

Hysteresis on Latch Enable

Edge-Triggered D-Type Inputs

Buffered Positive Edge-Triggered Clock

Hysteresis on Clock Input to Improve Noise Margin

Input Clamp Diodes Limit High Speed Termination Effects

PDIP–20

N SUFFIX

CASE 738

LS37x

AWLYYWW

GUARANTEED OPERATING RANGES

Symbol

VCC

IOH

IOL

Parameter

Supply Voltage

Operating Ambient

Temperature Range

Output Current – High

Output Current – Low

Min

4.75

Typ

5.0

Max

5.25

–2.6

Unit

°C

SOIC–20

DW SUFFIX

CASE 751D

74LS37x

AWLYWW

SOEIAJ–20

M SUFFIX

CASE 967

= 3 or 4

= Assembly Location

= Wafer Lot

= Year

= Work Week

ORDERING INFORMATION

See detailed ordering and shipping information in the package

dimensions section on page 6 of this data sheet.

Semiconductor Components Industries, LLC, 2001

October, 2001 – Rev. 8

Publication Order Number:

SN74LS373/D

SN74LS374 Related Products

	SN74LS374	SN74LS373DWR2	SN74LS374N	SN74LS374M	SN74LS374MEL	SN74LS374DWR2	SN74LS374DW	SN74LS373MEL	SN74LS373M
Description	LS SERIES, 8-BIT DRIVER, TRUE OUTPUT, PDSO20	LS SERIES, 8-BIT DRIVER, TRUE OUTPUT, PDSO20	LS SERIES, 8-BIT DRIVER, TRUE OUTPUT, PDIP20	LS SERIES, 8-BIT DRIVER, TRUE OUTPUT, PDSO20	LS SERIES, 8-BIT DRIVER, TRUE OUTPUT, PDSO20	LS SERIES, 8-BIT DRIVER, TRUE OUTPUT, PDSO20	LS SERIES, 8-BIT DRIVER, TRUE OUTPUT, PDSO20	LS SERIES, 8-BIT DRIVER, TRUE OUTPUT, PDSO20	LS SERIES, 8-BIT DRIVER, TRUE OUTPUT, PDSO20
Number of functions	1	1	-	1	1	-	1	1	1
Number of terminals	20	20	-	20	20	-	20	20	20
Maximum operating temperature	70 Cel	70 °C	-	70 °C	70 °C	-	70 °C	70 °C	70 °C
Number of ports	2	2	-	2	2	-	2	2	2
surface mount	Yes	YES	-	YES	YES	-	YES	YES	YES
Terminal form	GULL WING	GULL WING	-	GULL WING	GULL WING	-	GULL WING	GULL WING	GULL WING
Terminal location	DUAL	DUAL	-	DUAL	DUAL	-	DUAL	DUAL	DUAL
Temperature level	COMMERCIAL	COMMERCIAL	-	COMMERCIAL	COMMERCIAL	-	COMMERCIAL	COMMERCIAL	COMMERCIAL
series	LS	LS	-	LS	LS	-	LS	LS	LS
Output characteristics	3-ST	3-STATE	-	3-STATE	3-STATE	-	3-STATE	3-STATE	3-STATE
Number of digits	8	8	-	8	8	-	8	8	8
Output polarity	TRUE	TRUE	-	TRUE	TRUE	-	TRUE	TRUE	TRUE
Is it Rohs certified?	-	incompatible	incompatible	conform to	conform to	incompatible	incompatible	conform to	conform to
Maker	-	ON Semiconductor	ON Semiconductor	ON Semiconductor	ON Semiconductor	ON Semiconductor	ON Semiconductor	ON Semiconductor	ON Semiconductor
Parts packaging code	-	SOIC	DIP	SOIC	SOIC	SOIC	SOIC	SOIC	SOIC
package instruction	-	SOP, SOP20,.4	DIP, DIP20,.3	EIAJ, SOIC-20	EIAJ, SOIC-20	SOP, SOP20,.4	PLASTIC, SOIC-20	SOP,	SOP,
Contacts	-	20	20	20	20	20	20	20	20
Reach Compliance Code	-	_compli	not_compliant	unknown	unknown	not_compliant	not_compliant	unknow	unknow
JESD-30 code	-	R-PDSO-G20	-	R-PDSO-G20	R-PDSO-G20	-	R-PDSO-G20	R-PDSO-G20	R-PDSO-G20
JESD-609 code	-	e0	-	e4	e4	-	e0	e4	e4
length	-	12.8 mm	-	12.575 mm	12.575 mm	-	12.8 mm	12.575 mm	12.575 mm
Logic integrated circuit type	-	BUS DRIVER	-	BUS DRIVER	BUS DRIVER	-	BUS DRIVER	BUS DRIVER	BUS DRIVER
Package body material	-	PLASTIC/EPOXY	-	PLASTIC/EPOXY	PLASTIC/EPOXY	-	PLASTIC/EPOXY	PLASTIC/EPOXY	PLASTIC/EPOXY
encapsulated code	-	SOP	-	SOP	SOP	-	SOP	SOP	SOP
Package shape	-	RECTANGULAR	-	RECTANGULAR	RECTANGULAR	-	RECTANGULAR	RECTANGULAR	RECTANGULAR
Package form	-	SMALL OUTLINE	-	SMALL OUTLINE	SMALL OUTLINE	-	SMALL OUTLINE	SMALL OUTLINE	SMALL OUTLINE
propagation delay (tpd)	-	30 ns	-	28 ns	28 ns	-	28 ns	30 ns	30 ns
Certification status	-	Not Qualified	-	Not Qualified	Not Qualified	-	Not Qualified	Not Qualified	Not Qualified
Maximum seat height	-	2.65 mm	-	2.05 mm	2.05 mm	-	2.65 mm	2.05 mm	2.05 mm
Maximum supply voltage (Vsup)	-	5.25 V	-	5.25 V	5.25 V	-	5.25 V	5.25 V	5.25 V
Minimum supply voltage (Vsup)	-	4.75 V	-	4.75 V	4.75 V	-	4.75 V	4.75 V	4.75 V
Nominal supply voltage (Vsup)	-	5 V	-	5 V	5 V	-	5 V	5 V	5 V
technology	-	TTL	-	TTL	TTL	-	TTL	TTL	TTL
Terminal surface	-	Tin/Lead (Sn/Pb)	-	Nickel/Palladium/Gold (Ni/Pd/Au)	Nickel/Palladium/Gold (Ni/Pd/Au)	-	Tin/Lead (Sn/Pb)	Nickel/Palladium/Gold (Ni/Pd/Au)	Nickel/Palladium/Gold (Ni/Pd/Au)
Terminal pitch	-	1.27 mm	-	1.27 mm	1.27 mm	-	1.27 mm	1.27 mm	1.27 mm
width	-	7.5 mm	-	5.275 mm	5.275 mm	-	7.5 mm	5.275 mm	5.275 mm
Base Number Matches	-	-	1	1	1	1	1	-	-

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