CD74HC280

Manufacturer Part NumberCD74HC280
ManufacturerTexas Instruments
CD74HC280 datasheet
 


Specifications of CD74HC280

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Data sheet acquired from Harris Semiconductor
SCHS175D
November 1997 - Revised October 2003
Features
• Typical Propagation Delay = 17ns at V
o
C
= 15pF, T
= 25
C
L
A
• Replaces LS180 Types
• Easily Cascadable
• Fanout (Over Temperature Range)
- Standard Outputs . . . . . . . . . . . . . . . 10 LSTTL Loads
- Bus Driver Outputs . . . . . . . . . . . . . 15 LSTTL Loads
• Wide Operating Temperature Range . . . -55
• Balanced Propagation Delay and Transition Times
• Significant Power Reduction Compared to LSTTL
Logic ICs
• HC Types
- 2V to 6V Operation
- High Noise Immunity: N
= 30%, N
IL
at V
= 5V
CC
• HCT Types
- 4.5V to 5.5V Operation
- Direct LSTTL Input Logic Compatibility,
V
= 0.8V (Max), V
= 2V (Min)
IL
IH
- CMOS Input Compatibility, I
l
Pinout
CD54HC280, CD54HCT280
(CERDIP)
CD74HC280
(PDIP, SOIC)
CD74HCT280
(PDIP)
TOP VIEW
I6
1
I7
2
NC
3
I8
4
E
5
O
6
GND
7
CAUTION: These devices are sensitive to electrostatic discharge. Users should follow proper IC Handling Procedures.
©
Copyright
2003, Texas Instruments Incorporated
CD54HC280, CD74HC280,
CD54HCT280, CD74HCT280
9-Bit Odd/Even Parity Generator/Checker
Description
= 5V,
The ’HC280 and ’HCT280 are 9-bit odd/even parity, generator
CC
checker devices. Both even and odd parity outputs are
available for checking or generating parity for words up to nine
bits long. Even parity is indicated ( E output is high) when an
even number of data inputs is high. Odd parity is indicated
( O output is high) when an odd number of data inputs is
high. Parity checking for words larger than 9 bits can be
accomplished by tying the
additional HC/HCT280 parity checker.
o
o
C to 125
C
Ordering Information
PART NUMBER
CD54HC280F3A
CD54HCT280F3A
CD74HC280E
= 30% of V
IH
CC
CD74HC280MT
CD74HC280M96
CD74HCT280E
NOTE: When ordering, use the entire part number. The suffix 96
1 A at V
, V
denotes tape and reel. The suffix T denotes a small-quantity reel
OL
OH
of 250.
Functional Diagram
14
V
CC
13
I5
12
I4
11
I3
10
I2
9
I1
8
I0
1
High-Speed CMOS Logic
E output to any input of an
TEMP. RANGE
o
(
C)
PACKAGE
-55 to 125
14 Ld CERDIP
-55 to 125
14 Ld CERDIP
-55 to 125
14 Ld PDIP
-55 to 125
14 Ld SOIC
-55 to 125
14 Ld SOIC
-55 to 125
14 Ld PDIP
8
I0
9
I1
10
I2
5
EVEN
11
I3
12
I4
6
ODD
13
I5
1
I6
2
I7
GND = 7
4
V
= 14
CC
I8
NC = 3

CD74HC280 Summary of contents

  • Page 1

    ... GND 7 CAUTION: These devices are sensitive to electrostatic discharge. Users should follow proper IC Handling Procedures. © Copyright 2003, Texas Instruments Incorporated CD54HC280, CD74HC280, CD54HCT280, CD74HCT280 9-Bit Odd/Even Parity Generator/Checker Description = 5V, The ’HC280 and ’HCT280 are 9-bit odd/even parity, generator CC checker devices. Both even and odd parity outputs are available for checking or generating parity for words up to nine bits long ...

  • Page 2

    ... CD54HC280, CD74HC280, CD54HCT280, CD74HCT280 Absolute Maximum Ratings DC Supply Voltage -0. Input Diode Current For V < -0. > 0. Output Diode Current For V < -0. > 0. Drain Current, per Output For -0.5V < V < 0. Output Source or Sink Current per Output Pin, I For V > ...

  • Page 3

    ... CD54HC280, CD74HC280, CD54HCT280, CD74HCT280 DC Electrical Specifications (Continued) CONDITIONS PARAMETER SYMBOL V (V) I HCT TYPES High Level Input Voltage Low Level Input Voltage High Level Output Voltage V IL CMOS Loads High Level Output Voltage TTL Loads Low Level Output ...

  • Page 4

    ... CD54HC280, CD74HC280, CD54HCT280, CD74HCT280 Switching Specifications Input PARAMETER SYMBOL Output Transition Time TLH THL Input Capacitance C I Power Dissipation C PD Capacitance (Notes 3, 4) HCT TYPES Propagation Delay PLH PHL Any Input to O Propagation Delay PLH PHL ...

  • Page 5

    ... ACTIVE CDIP CD74HC280E ACTIVE PDIP CD74HC280EE4 ACTIVE PDIP CD74HC280M96 ACTIVE SOIC CD74HC280M96E4 ACTIVE SOIC CD74HC280M96G4 ACTIVE SOIC CD74HC280MT ACTIVE SOIC CD74HC280MTE4 ACTIVE SOIC CD74HC280MTG4 ACTIVE SOIC CD74HCT280E ACTIVE PDIP CD74HCT280EE4 ACTIVE PDIP (1) The marketing status values are defined as follows: ACTIVE: Product device recommended for new designs. ...

  • Page 6

    ... TI and TI suppliers consider certain information to be proprietary, and thus CAS numbers and other limited information may not be available for release event shall TI's liability arising out of such information exceed the total purchase price of the TI part(s) at issue in this document sold Customer on an annual basis. OTHER QUALIFIED VERSIONS OF CD54HC280, CD54HCT280, CD74HC280, CD74HCT280 : Catalog: CD74HC280, CD74HCT280 • ...

  • Page 7

    ... TAPE AND REEL INFORMATION *All dimensions are nominal Device Package Package Type Drawing CD74HC280M96 SOIC CD74HC280MT SOIC PACKAGE MATERIALS INFORMATION Pins SPQ Reel Reel Diameter Width (mm) W1 (mm 2500 330.0 16 250 330.0 16.4 Pack Materials-Page (mm) ...

  • Page 8

    ... Device Package Type CD74HC280M96 SOIC CD74HC280MT SOIC PACKAGE MATERIALS INFORMATION Package Drawing Pins SPQ Length (mm 2500 D 14 250 Pack Materials-Page 2 20-Aug-2010 Width (mm) Height (mm) 346.0 346.0 33.0 346.0 346.0 33.0 ...

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    ... Texas Instruments Incorporated and its subsidiaries (TI) reserve the right to make corrections, modifications, enhancements, improvements, and other changes to its products and services at any time and to discontinue any product or service without notice. Customers should obtain the latest relevant information before placing orders and should verify that such information is current and complete. All products are sold subject to TI’ ...