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M74HCT273B1R

P1-P3P4-P6P7-P9P10-P10
M74HCT273
4/10
AC ELECTRICAL CHARACTERISTICS (C
L
= 50 pF, Input t
r
= t
f
= 6ns)
CAPACITIVE CHARACTERISTICS
1) C
PD
is defined as the value of the IC’s internal equivalent capacitance which is calculated from the operating current consumption without
load. (Refer to Test Circuit). Average operating current can be obtained by the following equation. I
CC(opr)
= C
PD
x V
CC
x f
IN
+ I
CC
/8 (per FLIP
FLOP), and the total CPD when n pcs of FLIP FLOP operate can be gained by the following equations: CPD (total) = 32 + 11 x n
Symbol Parameter
Test Conditions Value
Unit
V
CC
(V)
T
A
= 25°C
-40 to 85°C -55 to 125°C
Min. Typ. Max. Min. Max. Min. Max.
t
TLH
t
THL
Output Transition
Time
4.5 9151922ns
t
PLH
t
PHL
Propagation Delay
Time
(CLOCK - Q)
4.5 19 30 38 45 ns
t
PHL
Propagation Delay
Time
(CLEAR
- Q)
4.5 22 32 40 48 ns
f
MAX
Maximum Clock
Frequency
4.5 30 80 24 20 MHz
t
W(H)
t
W(L)
Minimum Pulse
(CLOCK)
4.5 7151922ns
t
W(L)
Minimum Pulse
(CLEAR
)
4.5 7151922ns
t
s
Minimum Set-Up
Time
4.5 4151922ns
t
h
Minimum Hold
Time
4.5 0 0 0 ns
t
REM
Minimum Removal
Time (CLEAR
)
4.5 4101315ns
Symbol Parameter
Test Condition Value
Unit
V
CC
(V)
T
A
= 25°C
-40 to 85°C -55 to 125°C
Min. Typ. Max. Min. Max. Min. Max.
C
IN
Input Capacitance
5.0 5101010pF
C
PD
Power Dissipation
Capacitance (note
1)
5.0 29 pF
M74HCT273
5/10
TEST CIRCUIT
C
L
= 50pF or equivalent (includes jig and probe capacitance)
R
T
= Z
OUT
of pulse generator (typically 50Ω)
WAVEFORM 1: PROPAGATION DELAY TIME, MINIMUM PULSE WIDTH (CLOCK), SETUP AND
HOLD TIME (nD TO CLOCK), CLOCK MAXIMUM FREQUENCY (f=1MHz; 50% duty cycle)
M74HCT273
6/10
WAVEFORM 2 :PROPAGATION DELAY TIME (f=1MHz; 50% duty cycle)
WAVEFORM 3 : MINIMUM PULSE WIDTH (CLEAR), MINIMUM REMOVAL TIME (CLEAR TO
CLOCK)(f=1MHz; 50% duty cycle)
P1-P3P4-P6P7-P9P10-P10

M74HCT273B1R

Mfr. #:
Buy M74HCT273B1R
Manufacturer:
STMicroelectronics
Description:
Flip Flops Octal "D" Flip-Flop
Lifecycle:
New from this manufacturer.
Delivery:
DHL FedEx Ups TNT EMS
Payment:
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