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M74HCT273M1R Datasheet(PDF) 1 Page - STMicroelectronics

Part # M74HCT273M1R
Description  OCTAL D TYPE FLIP FLOP WITH CLEAR
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

M74HCT273M1R Datasheet(HTML) 1 Page - STMicroelectronics

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M54HCT273
M74HCT273
February 1993
OCTAL D TYPE FLIP FLOP WITH CLEAR
B1R
(Plastic Package)
ORDER CODES :
M54HCT273F1R
M74HCT273M1R
M74HCT273B1R
M74HCT273C1R
F1R
(Ceramic Package)
M1R
(Micro Package)
C1R
(Chip Carrier)
PIN CONNECTIONS (top view)
NC =
No Internal
Connection
.
HIGH SPEED
fMAX = 80 MHz (TYP.) AT VCC =5 V
.
LOW POWER DISSIPATION
ICC =4
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
54/74LS273
The M54/74HCT273 is a high speed CMOS OCTAL
D-TYPE FLIP FLOP WITH CLEAR fabricated in sili-
con gate C
2MOS technology. It has the same high
speed performance of LSTTL combined with true
CMOS low power consumption. Information signals
applied to D inputs are transferred to the Q outputs
on the positive-going edge of the clock pulse.
When the CLEAR input is held low, the Q output are
in the low logic level independent of the other inputs.
All inputs are equipped with protection circuits
against static discharge and transient excess volt-
age. This integrated circuit has input and output
characteristics that are fully compatible with 54/74
LSTTL logic families. M54/74HCT devices are de-
signed to directly interface HSC
2MOS systems with
TTL and NMOS components. They are also plug in
replacements for LSTTL devices giving a reduction
of power consumption. All inputs are equipped with
protection circuits against static discharge and tran-
sient excess voltage.
DESCRIPTION
INPUT AND OUTPUT EQUIVALENT CIRCUIT
1/10


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