M54HCT74
M74HCT74
DUAL D TYPE FLIP FLOP WITH PRESET AND CLEAR
.
.
.
.
.
.
.
HIGH SPEED
f
MAX
= 53 MHz (TYP.) AT V
CC
= 5 V
LOW POWER DISSIPATION
I
CC
= 2
µA
(MAX.) AT T
A
= 25
°C
COMPATIBLE WITH TTL OUTPUTS
V
IH
= 2V (MIN.) V
IL
= 0.8V (MAX)
OUTPUT DRIVE CAPABILITY
10 LSTTL LOADS
SYMMETRICAL OUTPUT IMPEDANCE
I
OH
= I
OL
= 4 mA (MIN.)
BALANCED PROPAGATION DELAYS
t
PLH
= t
PHL
PIN AND FUNCTION COMPATIBLE
WITH 54/74LS74
B1R
(Plastic Package)
F1R
(Ceramic Package)
M1R
(Micro Package)
C1R
(Chip Carrier)
DESCRIPTION
The M54/74HCT74 is a high speed CMOS DUAL D
TYPE FLOP WITH PRESET AND CLEAR fabri-
cated in silicon gate C
2
MOS technology. It has the
same high speed performance of LSTTL combined
with true CMOS low power consumption. A signal on
the D INPUT is transferred to the Q OUTPUT during
the positive going transition of the clock pulse.
CLEAR and PRESET are independent of the clock
and accomplished by a low on the appropriate input.
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
2
MOS systems with
TTL and NMOS components. They are also plug in
replacements for LSTTL devices giving a reduction
of power consumption.
INPUT AND OUTPUT EQUIVALENT CIRCUIT
ORDER CODES :
M54HCT74F1R
M74HCT74M1R
M74HCT74B1R
M74HCT74C1R
PIN CONNECTIONS
(top view)
NC =
No Internal
Connection
February 1993
1/11
M54/M74HCT74
ABSOLUTE MAXIMUM RATINGS
Symbol
V
CC
V
I
V
O
I
IK
I
OK
I
O
I
CC
or I
GND
P
D
T
stg
T
L
Supply Voltage
DC Input Voltage
DC Output Voltage
DC Input Diode Current
DC Output Diode Current
DC Output Source Sink Current Per Output Pin
DC V
CC
or Ground Current
Power Dissipation
Storage Temperature
Lead Temperature (10 sec)
Parameter
Value
-0.5 to +7
-0.5 to V
CC
+ 0.5
-0.5 to V
CC
+ 0.5
±
20
±
20
±
25
±
50
500 (*)
-65 to +150
300
Unit
V
V
V
mA
mA
mA
mA
mW
o
o
C
C
Absolute Maximum Ratings are those values beyond which damage to the device may occur. Functional operation under these condition isnotimplied.
(*) 500 mW:
≅
65
o
C derate to 300 mW by 10mW/
o
C: 65
o
C to 85
o
C
RECOMMENDED OPERATING CONDITIONS
Symbol
V
CC
V
I
V
O
T
op
t
r
, t
f
Parameter
Supply Voltage
Input Voltage
Output Voltage
Operating Temperature:
M54HC
Series
M74HC
Series
Input Rise and Fall Time (V
CC
= 4.5 to 5.5V)
Value
4.5 to 5.5
0 to V
CC
0 to V
CC
-55 to +125
-40 to +85
0 to 500
Unit
V
V
V
C
o
C
ns
o
3/11
M54/M74HCT74
AC ELECTRICAL CHARACTERISTICS
(C
L
= 50 pF, Input t
r
= t
f
= 6 ns)
Test Conditions
Symbol
Parameter
V
CC
(V)
4.5
4.5
T
A
= 25 C
54HC and 74HC
Min. Typ. Max.
8
21
15
33
o
Value
-40 to 85
o
C -55 to 125
o
C
74HC
54HC
Min. Max. Min. Max.
19
41
22
50
ns
Unit
t
TLH
t
THL
t
PLH
t
PHL
t
PLH
t
PHL
f
MAX
t
W(H)
t
W(L)
t
W(L)
Output Transition
Time
Propagation
Delay Time
(CLOCK - Q)
Propagation
Delay Time
(CL, PR - Q, Q)
Maximum Clock
Frequency
Minimum Pulse
Width
(CLOCK)
Minimum Pulse
Width
(CL, PR)
Minimum Set-up
Time
Minimum Hold
Time
Minimum
Removal Time
(CL, PR)
Input Capacitance
Power Dissipation
Capacitance
ns
4.5
18
30
38
45
ns
4.5
4.5
27
48
6
15
22
19
18
23
MHz
ns
4.5
8
15
19
23
ns
t
s
t
h
t
REM
4.5
4.5
4.5
7
15
0
19
0
5
6
5
23
0
8
ns
ns
ns
1
5
C
IN
C
PD
(*)
5
32
10
10
10
pF
pF
(*) 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 operting current can be obtained by the following equation. I
CC
(opr) = C
PD
•V
CC
•f
IN
+ I
CC
/2 (per FLIP/FLOP)
5/11
MCU
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