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74VHC125 Datasheet(PDF) 1 Page - STMicroelectronics

Part No. 74VHC125
Description  QUAD BUS BUFFERS 3-STATE
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Maker  STMICROELECTRONICS [STMicroelectronics]
Homepage  http://www.st.com
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74VHC125 Datasheet(HTML) 1 Page - STMicroelectronics

   
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74VHC125
QUAD BUS BUFFERS (3-STATE)
PRELIMINARY DATA
June 1999
PIN CONNECTION AND IEC LOGIC SYMBOLS
s
HIGH SPEED: tPD = 3.8 ns (TYP.) at VCC =5V
s
LOW POWER DISSIPATION:
ICC =4
µA (MAX.) at TA =25 oC
s
HIGH NOISE IMMUNITY:
VNIH =VNIL =28% VCC (MIN.)
s
POWER DOWN PROTECTION ON INPUTS
s
SYMMETRICAL OUTPUT IMPEDANCE:
|IOH|=IOL = 8 mA (MIN)
s
BALANCED PROPAGATION DELAYS:
tPLH
≅ tPHL
s
OPERATING VOLTAGE RANGE:
VCC (OPR) = 2V to 5.5V
s
PIN AND FUNCTION COMPATIBLE WITH
74 SERIES 125
s
IMPROVED LATCH-UP IMMUNITY
s
LOW NOISE: VOLP = 0.8V (Max.)
DESCRIPTION
The 74VHC125 is an advanced high-speed
CMOS QUAD BUS BUFFERS fabricated with
sub-micron silicon gate and double-layer metal
wiring C
2MOS technology.
This device requires the 3-STATE control input G
to be set high to place the output into the high
impedance state.
Power down protection is provided on all inputs
and 0 to 7V can be accepted on inputs with no
regard to the supply voltage. This device can be
used to interface 5V to 3V.
All inputs
and
outputs are
equipped with
protection circuits against static discharge, giving
them 2kV ESD immunity and transient excess
voltage.
ORDER CODES :
74VHC125M
74VHC125T
M
(Micro Package)
T
(TSSOP Package)
®
1/8


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