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M54HCT27 Datasheet(PDF) 1 Page - STMicroelectronics

Part No. M54HCT27
Description  TRIPLE 3-INPUT NOR GATE
Download  9 Pages
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Maker  STMICROELECTRONICS [STMicroelectronics]
Homepage  http://www.st.com
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M54HCT27 Datasheet(HTML) 1 Page - STMicroelectronics

   
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M54HCT27
M74HCT27
February 1993
TRIPLE 3-INPUT NOR GATE
B1R
(Plastic Package)
ORDER CODES :
M54HCT27F1R
M74HCT27M1R
M74HCT27B1R
M74HCT27C1R
F1R
(Ceramic Package)
M1R
(Micro Package)
C1R
(Chip Carrier)
PIN CONNECTIONS (top view)
NC =
No Internal
Connection
INPUT AND OUTPUT EQUIVALENT CIRCUIT
.
HIGH SPEED
tPD = 9 ns (TYP.) AT VCC =5 V
.
LOW POWER DISSIPATION
ICC =1
µA (MAX.) AT TA =25 °C
.
COMPATIBLE WITH TTL OUTPUTS
VIH = 2V (MIN.) VIL = 0.8V (MAX)
.
OUTPUT DRIVE CAPABILITY
10 LSTTL LOADS
.
SYMMETRICAL OUTPUT IMPEDANCE
IOH =IOL = 4 mA (MIN.)
.
BALANCED PROPAGATION DELAYS
tPLH =tPHL
.
PIN AND FUNCTION COMPATIBLE WITH
54/74LS27
The M54/74HCT27 is a high speed CMOS TRIPLE
3-INPUT NOR GATE fabricated in silicon gate
C
2MOS technology.
It has the same high speed performance of LSTTL
combined with true CMOS low power consumption.
The internal circuit is composed of 3 stages includ-
ing buffered output, which gives high noise immunity
and a stable output. All inputs are equipped with pro-
tection circuits against static discharge and transient
excess voltage. This integrated circuit has input and
output characteristics that are fully compatible with
54/74 LSTTL logic families. M54/74HCT devices
are designed to directly interface HSC
2MOS sys-
tems with TTL and NMOS components. They are
also plug in replacements for LSTTL devices giving
a reduction of power consumption.
DESCRIPTION
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