54abt374 National Semiconductor Corporation, 54abt374 Datasheet

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54abt374

Manufacturer Part Number
54abt374
Description
Octal D-type Flip-flop With Tri-state Outputs
Manufacturer
National Semiconductor Corporation
Datasheet

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© 1998 National Semiconductor Corporation
54ABT374
Octal D-Type Flip-Flop with TRI-STATE
General Description
The ’ABT374 is an octal D-type flip-flop featuring separate
D-type inputs for each flip-flop and TRI-STATE outputs for
bus-oriented applications. A buffered Clock (CP) and Output
Enable (OE) are common to all flip-flops.
Features
n Edge-triggered D-type inputs
n Buffered positive edge-triggered clock
n TRI-STATE outputs for bus-oriented applications
n Output sink capability of 48 mA, source capability of
Ordering Code
Connection Diagrams
TRI-STATE
54ABT374J/883
54ABT374W/883
54ABT374E/883
24 mA
®
is a registered trademark of National Semiconductor Corporation.
Military
Pin Assignment for DIP
and Flatpak
J20A
W20A
E20A
DS100207
DS100207-1
Package
Number
20-Lead Ceramic Dual-In-Line
20-Lead Cerpack
20-Lead Ceramic Leadless Chip Carrier, Type C
n Guaranteed multiple output switching specifications
n Output switching specified for both 50 pF and 250 pF
n Guaranteed simultaneous switching, noise level and
n Guaranteed latchup protection
n High impedance glitch free bus loading during entire
n Non-destructive hot insertion capability
n Standard Microcircuit Drawing (SMD) 5962-9314901
loads
dynamic threshold performance
power up and power down cycle
Package Description
®
Pin Assignment
Outputs
for LCC
DS100207-2
www.national.com
July 1998

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54abt374 Summary of contents

Page 1

... Output sink capability of 48 mA, source capability Ordering Code Military Package Number 54ABT374J/883 J20A 54ABT374W/883 W20A 54ABT374E/883 E20A Connection Diagrams Pin Assignment for DIP and Flatpak DS100207-1 TRI-STATE ® registered trademark of National Semiconductor Corporation. © 1998 National Semiconductor Corporation DS100207 Outputs ® ...

Page 2

Pin Descriptions Pin Description Names D –D Data Inputs Clock Pulse Input (Active Rising Edge) OE TRI-STATE Output Enable Input (Active LOW) O –O TRI-STATE Outputs 0 7 Function Table Inputs ...

Page 3

Absolute Maximum Ratings If Military/Aerospace specified devices are required, please contact the National Semiconductor Sales Office/ Distributors for availability and specifications. Storage Temperature Ambient Temperature under Bias Junction Temperature under Bias Ceramic V Pin Potential to CC Ground Pin Input ...

Page 4

DC Electrical Characteristics Symbol Parameter I Dynamic I No Load CCD CC (Note 4) < Note 3: For 8-bit toggling, I 0.8 mA/MHz. CCD Note 4: Guaranteed, but not tested. AC Electrical Characteristics Symbol Parameter f Max Clock max Frequency ...

Page 5

Capacitance (Continued pF Temperature ( PLH A L 1Output Switching Clock to Output = 50 pF Temperature ( PZH Output Switching OE to Output = 50 pF, ...

Page 6

Capacitance (Continued pF, t LOW vs Temperature ( SET Output Switching Data to Clock = 50 pF, t HIGH vs Temperature ( HOLD Output Switching Data to Clock ...

Page 7

Capacitance (Continued pF Temperature ( PZH Outputs Switching OE to Output = 50 pF Temperature ( PHZ Outputs Switching OE to Output = 25˚C, ...

Page 8

Capacitance (Continued) = 25˚ Load Capacitance T PLH A 8 Outputs Switching Clock to Output = 25˚ Load Capacitance T PZH A 8 Outputs Switching OE to Output t and t vs Number Outputs Switching PLH ...

Page 9

AC Loading DS100207-4 * Includes jig and probe capacitance FIGURE 1. Standard AC Test Load = 1.5V FIGURE Input Pulse Requirements Amplitude Rep. Rate 3.0V 1 MHz 500 ns 2.5 ns FIGURE 3. Test ...

Page 10

10 ...

Page 11

Physical Dimensions inches (millimeters) unless otherwise noted 20-Terminal Ceramic Chip Carrier (L) NS Package Number E20A 20-Lead Ceramic Dual-In-Line (D) NS Package Number J20A 11 www.national.com ...

Page 12

Physical Dimensions inches (millimeters) unless otherwise noted (Continued) LIFE SUPPORT POLICY NATIONAL’S PRODUCTS ARE NOT AUTHORIZED FOR USE AS CRITICAL COMPONENTS IN LIFE SUPPORT DE- VICES OR SYSTEMS WITHOUT THE EXPRESS WRITTEN APPROVAL OF THE PRESIDENT OF NATIONAL SEMI- CONDUCTOR ...

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