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74LVQ280 データシート(PDF) 1 Page - STMicroelectronics

部品番号 74LVQ280
部品情報  9 BIT PARITY GENERATOR
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メーカー  STMICROELECTRONICS [STMicroelectronics]
ホームページ  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

74LVQ280 データシート(HTML) 1 Page - STMicroelectronics

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July 2001
s
HIGH SPEED:
tPD = 8 ns (TYP.) at VCC = 3.3 V
s
COMPATIBLE WITH TTL OUTPUTS
s
LOW POWER DISSIPATION:
ICC = 2µA(MAX.) at TA=25°C
s
LOW NOISE:
VOLP = 0.3V (TYP.) at VCC = 3.3V
s
75
Ω TRANSMISSION LINE DRIVING
CAPABILITY
s
SYMMETRICAL OUTPUT IMPEDANCE:
|IOH| = IOL = 12mA (MIN) at VCC = 3.0 V
s
PCI BUS LEVELS GUARANTEED AT 24 mA
s
BALANCED PROPAGATION DELAYS:
tPLH tPHL
s
OPERATING VOLTAGE RANGE:
VCC(OPR) = 2V to 3.6V
s
PIN AND FUNCTION COMPATIBLE WITH
74 SERIES 280
s
IMPROVED LATCH-UP IMMUNITY
DESCRIPTION
The 74LVQ280 is a low voltage CMOS 9 BIT
PARITY GENERATOR fabricated with sub-micron
silicon gate and double-layer metal wiring C2MOS
technology. It is ideal for low power and low noise
3.3V applications.
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 input is odd,
ΣODD
output is kept high and
ΣEVEN output low.
Conversely, when the number of high level is
even,
ΣEVEN output is kept high and ΣODD low.
The IC generates either odd or even parity making
it flexible application. The word-length capability is
easily expanded by cascading.
All
inputs
and
outputs
are
equipped
with
protection circuits against static discharge, giving
them 2KV ESD immunity and transient excess
voltage.
74LVQ280
9 BIT PARITY GENERATOR
PIN CONNECTION AND IEC LOGIC SYMBOLS
ORDER CODES
PACKAGE
TUBE
T & R
SOP
74LVQ280M
74LVQ280MTR
TSSOP
74LVQ280TTR
TSSOP
SOP


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