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PDF M74HC280 Data sheet ( Hoja de datos )
| Número de pieza | M74HC280 | |
| Descripción | 9 BIT PARITY GENERATOR | |
| Fabricantes | ST Microelectronics | |
| Logotipo |  |
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M74HC280
9-bit parity generator
Datasheet - production data
SO14
TSSOP14
Features
• High-speed:
tPD = 22 ns (typ.) at VCC = 6 V
• Low power dissipation:
ICC = 4 μA (max.) at TA = 25 °C
• High noise immunity:
VNIH = VNIH = 28 % VCC (min)
• Symmetrical output impedance:
|IOH| = IOL = 4 mA (min.)
• Balanced propagation delays:
tPLH ≅ tPHL
• Wide operating voltage range:
VCC (opr) = 2 V to 6 V
• Pin and function compatible with 74 series 280
• ESD performance
– HBM: 2 kV
– MM: 200 V
– CDM: 1 kV
Description
The M74HC280 is a high-speed CMOS 9-bit
parity generator fabricated with silicon gate
C2MOS technology.
It is composed of nine data inputs (A to I) and
odd/even parity outputs (ΣODD and ΣEVEN). The
nine data inputs control the output conditions.
When the number of high-level inputs is odd,
ΣODD outputs are kept high and ΣEVEN outputs
are kept low. Conversely, when the number of
high-level outputs is even, ΣEVEN outputs are
kept high and ΣODD outputs are kept low. The IC
generates either odd or even parity making the
application flexible. The word-length capability is
easily expanded by cascading.
All inputs are equipped with protection circuits
against static discharge and transient excess
voltage.
Table 1. Device summary
Order code
Temp. range
Package
Packing
Marking
M74HC280RM13TR
M74HC280YRM13TR(1)
M74HC280TTR
M74HC280YTTR(1)
-55 °C to 125 °C
-40 °C to 125 °C
-55 °C to 125 °C
-40 °C to 125 °C
S014
SO14 (automotive grade)
TSSOP14
TSSOP14 (automotive grade)
Tape and reel
74HC280
74HC280Y
HC280
HC280Y
1. Qualification and characterization according to AEC Q100 and Q003 or equivalent, advanced screening according to AEC
Q001 and Q002 or equivalent.
January 2014
This is information on a product in full production.
DocID1938 Rev 2
1/14
www.st.com
1 page  
M74HC280
Functional description
Figure 3. Input and output equivalent circuit
VCC VCC
Input
Output
GND GND
DocID1938 Rev 2
5/14
14
5 Page 
M74HC280
Package information
4.1 SO14 package information
Figure 6. SO14 package mechanical drawing
/*
& F
D $
EH
H
6 D E
(
'
0
)
*$06&%
Table 9. SO14 package mechanical data
Dimensions
Ref Millimeters
Inches
Min. Typ. Max. Min. Typ. Max.
A
a1 0.1
a2
1.75
0.2 0.003
1.65
0.068
0.007
0.064
b 0.35
0.46 0.013
0.018
b1 0.19
0.25 0.007
0.010
C 0.5
0.019
c1 45 °
45 °
D 8.55
8.75 0.336
0.344
E 5.8
6.2 0.228
0.244
e 1.27
0.050
e3 7.62
0.300
F 3.8
4.0 0.149
0.157
G 4.6
L 0.5
M
S
5.3 0.181
1.27 0.019
0.68
8°
0.208
0.050
0.026
8°
DocID1938 Rev 2
11/14
14
11 Page | ||
| Páginas | Total 14 Páginas | |
| PDF Descargar | [ Datasheet M74HC280.PDF ] | |
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