SN74LS374 ONSEMI [ON Semiconductor], SN74LS374 Datasheet

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SN74LS374

Manufacturer Part Number
SN74LS374
Description
Octal Transparent Latch with 3-State Outputs Octal D-Type Flip-Flop with 3-State Output
Manufacturer
ONSEMI [ON Semiconductor]
Datasheet

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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.
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.
GUARANTEED OPERATING RANGES
October, 2001 – Rev. 8
Symbol
The SN74LS373 consists of eight latches with 3-state outputs for
The SN74LS374 is a high-speed, low-power Octal D-type Flip-Flop
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
Semiconductor Components Industries, LLC, 2001
V CC
I OH
I OL
T A
Supply Voltage
Operating Ambient
Output Current – High
Output Current – Low
Temperature Range
Parameter
4.75
Min
0
Typ
5.0
25
Max
5.25
–2.6
70
24
1
Unit
mA
mA
V
C
20
See detailed ordering and shipping information in the package
dimensions section on page 6 of this data sheet.
20
20
1
1
1
ORDERING INFORMATION
x
A
WL = Wafer Lot
YY = Year
WW = Work Week
http://onsemi.com
SOEIAJ–20
M SUFFIX
CASE 967
SCHOTTKY
= 3 or 4
= Assembly Location
POWER
DW SUFFIX
CASE 751D
CASE 738
N SUFFIX
PDIP–20
SOIC–20
LOW
Publication Order Number:
1
1
1
DIAGRAMS
SN74LS37xN
MARKING
AWLYYWW
AWLYYWW
AWLYWW
74LS37x
LS37x
SN74LS373/D

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SN74LS374 Summary of contents

Page 1

... 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. ...

Page 2

... SN74LS373, SN74LS374 CONNECTION DIAGRAM DIP (TOP VIEW) SN74LS373 PIN NAMES m LS373 HIGH Voltage Level L = LOW Voltage Level X = Immaterial Z = High Impedance * Note: Contents of flip-flops unaffected by the state of the Output Enable input (OE). ...

Page 3

... Input HIGH Current I IL Input LOW Current I OS Short Circuit Current (Note Power Supply Current 1. Not more than one output should be shorted at a time, nor for more than 1 second. SN74LS373, SN74LS374 LOGIC DIAGRAMS (unless otherwise specified) Limits Min Typ Max Unit Guaranteed Input HIGH Voltage for 2 ...

Page 4

... DEFINITION OF TERMS SETUP TIME ( — is defined as the minimum time required for the correct logic level to be present at the logic input prior to LE transition from HIGH-to-LOW in order to be recognized and transferred to the outputs. Figure 2. SN74LS373, SN74LS374 Limits LS373 Min Typ Max ...

Page 5

... SN74LS373, SN74LS374 SN74LS373 AC LOAD CIRCUIT * Includes Jig and Probe Capacitance. Figure 4. SN74LS374 AC WAVEFORMS Figure 5. Figure 7. http://onsemi.com SWITCH POSITIONS SYMBOL SW1 t PZH Open t PZL Closed t PLZ Closed t PHZ Closed Figure 6. 5 SW2 Closed Open Closed Closed ...

Page 6

... SN74LS373N SN74LS373DW SN74LS373DWR2 SN74LS373M SN74LS373MEL SN74LS374N SN74LS374DW SN74LS374DWR2 SN74LS374M SN74LS374MEL 2. For ordering information on the EIAJ version of the SOIC package, please contact your local ON Semiconductor representative. SN74LS373, SN74LS374 SN74LS374 AC LOAD CIRCUIT SYMBOL t PZH t PZL t PLZ t PHZ Figure 8. Package Type PDIP–20 SOIC–WIDE SOIC– ...

Page 7

... 20X e 18X SN74LS373, SN74LS374 PACKAGE DIMENSIONS N SUFFIX PLASTIC PACKAGE CASE 738–03 ISSUE SUFFIX PLASTIC SOIC PACKAGE CASE 751D–05 ISSUE http://onsemi.com ...

Page 8

... Phone: 303–675–2175 or 800–344–3860 Toll Free USA/Canada Fax: 303–675–2176 or 800–344–3867 Toll Free USA/Canada Email: ONlit@hibbertco.com N. American Technical Support: 800–282–9855 Toll Free USA/Canada SN74LS373, SN74LS374 PACKAGE DIMENSIONS M SUFFIX SOEIAJ PACKAGE CASE 967–01 ...

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