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74ACT273B

P1-P3P4-P6P7-P9P10-P11
Obsolete Product(s) - Obsolete Product(s) Obsolete Product(s) - Obsolete Product(s)
74ACT273
4/11
DC SPECIFICATIONS
1) Maximum test duration 2ms, one output loaded at time
2) Incident wave switching is guaranteed on transmission lines with impedances as low as 50Ω
AC ELECTRICAL CHARACTERISTICS (C
L
= 50 pF, R
L
= 500 Ω, Input t
r
= t
f
= 3ns)
(*) Voltage range is 5.0V ± 0.5V
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.
V
IH
High Level Input
Voltage
4.5 V
O
= 0.1 V or
V
CC
-0.1V
2.0 1.5 2.0 2.0
V5.5 2.0 1.5 2.0 2.0
V
IL
Low Level Input
Voltage
4.5 V
O
= 0.1 V or
V
CC
-0.1V
1.5 0.8 0.8 0.8
5.5 1.5 0.8 0.8 0.8
V
V
OH
High Level Output
Voltage
4.5
I
O
=-50 µA
4.4 4.49 4.4 4.4
5.5
I
O
=-50 µA
5.4 5.49 5.4 5.4
4.5
I
O
=-24 mA
3.86 3.76 3.7
V
5.5
I
O
=-24 mA
4.86 4.76 4.7
V
OL
Low Level Output
Voltage
4.5
I
O
=50 µA
0.001 0.1 0.1 0.1
5.5
I
O
=50 µA
0.001 0.1 0.1 0.1
4.5
I
O
=24 mA
0.36 0.44 0.5
5.5
I
O
=24 mA
0.36 0.44 0.5
I
I
Input Leakage Cur-
rent
5.5
V
I
= V
CC
or GND
± 0.1 ± 1 ± 1 µA
I
CCT
Max I
CC
/Input
5.5
V
I
= V
CC
- 2.1V
0.6 1.5 1.6 mA
I
CC
Quiescent Supply
Current
5.5
V
I
= V
CC
or GND
44080µA
I
OLD
Dynamic Output
Current (note 1, 2)
5.5
V
OLD
= 1.65 V max
75 50 mA
I
OHD
V
OHD
= 3.85 V min
-75 -50 mA
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.
t
PLH
t
PHL
Propagation Delay
Time CLOCK to Y
5.0
(*)
1.5 4.0 8.5 1.5 9.0 1.5 9.0 ns
t
PHL
Propagation Delay
Time CLEAR
to Y
5.0
(*)
1.5 4.5 9.0 1.5 9.5 1.5 9.5 ns
t
WL
CLEAR Pulse
Width
5.0
(*)
2.3 4.0 4.0 4.0 ns
t
W
CLOCK Pulse
Width
5.0
(*)
1.8 4.0 4.0 4.0 ns
t
s
Setup Time D to
CLOCK, HIGH or
LOW
5.0
(*)
1.0 3.5 3.5 3.5 ns
t
h
Hold Time D to
CLOCK, HIGH or
LOW
5.0
(*)
-0.5 1.5 1.5 1.5 ns
t
REM
Recovery Time
CLEAR
to CLOCK
5.0
(*)
0.5 3.0 3.0 3.0 ns
f
MAX
Maximum CLOCK
Frequency
5.0
(*)
125 190 110 110 MHz
Obsolete Product(s) - Obsolete Product(s) Obsolete Product(s) - Obsolete Product(s)
74ACT273
5/11
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
/n (per circuit)
TEST CIRCUIT
C
L
= 50pF or equivalent (includes jig and probe capacitance)
R
L
= R
1
= 500Ω or equivalent
R
T
= Z
OUT
of pulse generator (typically 50Ω)
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 4 pF
C
PD
Power Dissipation
Capacitance (note
1)
5.0
f
IN
= 10MHz
32 pF
Obsolete Product(s) - Obsolete Product(s) Obsolete Product(s) - Obsolete Product(s)
74ACT273
6/11
WAVEFORM 1: PROPAGATION DELAYS, SETUP AND HOLD TIMES (f=1MHz; 50% duty cycle)
WAVEFORM 2: PROPAGATION DELAYS (f=1MHz; 50% duty cycle)
P1-P3P4-P6P7-P9P10-P11

74ACT273B

Mfr. #:
Buy 74ACT273B
Manufacturer:
STMicroelectronics
Description:
IC FF D-TYPE SNGL 8BIT 20DIP
Lifecycle:
New from this manufacturer.
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