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MC54F398J [MOTOROLA]

QUAD 2-PORT REGISTER; 四2端口寄存器
MC54F398J
型号： MC54F398J
厂家： MOTOROLA    MOTOROLA
描述：

QUAD 2-PORT REGISTER
四2端口寄存器
文件： 总4页 (文件大小：47K)
中文：  中文翻译
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MC54/74F398  
QUAD 2-PORT REGISTER  
The MC54/74F398 is the logical equivalent of a quad 2-input multiplexer  
feeding into four edge-triggered flip-flops. A common Select input determines  
which of the two 4-bit words is accepted. The selected data enters the flip-  
flops on the rising edge of the clock.  
QUAD 2-PORT REGISTER  
FAST SCHOTTKY TTL  
• Select Inputs from Two Data Sources  
• Fully Positive Edge-Triggered Operation  
• Both True and Complement Outputs  
CONNECTION DIAGRAM (TOP VIEW)  
V
Q
Q
I
I
I
I
Q
Q
c
CC  
d
d
0d  
17  
1d  
16  
1c  
0c  
14  
c
CP  
11  
20  
19  
18  
15  
13  
12  
J SUFFIX  
CERAMIC  
CASE 732-03  
20  
1
N SUFFIX  
PLASTIC  
1
2
3
4
5
6
7
8
9
10  
CASE 738-03  
Q
Q
I
I
I
I
Q
Q
b
GND  
S
a
a
0a  
1a  
1b  
0b  
b
20  
1
DW SUFFIX  
SOIC  
CASE 751D-03  
LOGIC DIAGRAM  
20  
I
0a  
1
S
Q
a
D
ORDERING INFORMATION  
I
1a  
CP  
Q
a
MC54FXXXJ  
Ceramic  
MC74FXXXN Plastic  
MC74FXXXDW SOIC  
I
0b  
D
Q
Q
b
I
1b  
CP  
b
LOGIC SYMBOL  
I
0c  
Q
c
D
4
5
7
6 14 15 17 16  
I
I
1c  
Q
CP  
c
I
I
I
I
I
I
I
I
0a 1a 0b 1b 0c 1c 0d 1d  
1
S
0d  
11  
CP  
Q
2
Q
Q
9
Q
8
Q
Q
Q
Q
D
Q
a
a
b
b
c
c
d d  
d
I
1d  
Q
CP  
d
3
12 13 19 18  
CP  
V
= PIN 20  
CC  
GND = PIN 10  
NOTES:  
This diagram is provided only for the understanding of logic operations and  
should not be used to estimate propagation delays.  
FAST AND LS TTL DATA  
4-189  
MC54/74F398  
FUNCTIONAL DESCRIPTION  
The MC54/74F398 is a high-speed quad 2-port register. It  
type output register is fully edge-triggered. The Data inputs  
will select four bits of data from either of two sources (Ports)  
under control of a common Select input (S). The selected data  
is transferred to a 4-bit output register synchronous with the  
LOW-to-HIGH transition of the Clock input (CP). The 4-bit D-  
(I , I ) and Select input (S) must be stable only a setup time  
0x 1x  
prior to and hold time after the LOW-to-HIGH transition of the  
Clock input for predictable operation. The MC54/74F398 has  
both Q and Q outputs.  
FUNCTION TABLE  
Inputs  
Outputs  
I
I
S
I
Q
0
Q
H
1
X
X
I
L
I
H
L
H
L
I
h
X
L
h
h
X
h
H
H = HIGH Voltage Level  
L = LOW Voltage Level  
h = HIGH Voltage Level one setup time prior to the LOW-to-HIGH clock transition  
I = LOW Voltage Level; one setup time prior to the LOW-to-HIGH clock transition  
X = Don’t Care  
GUARANTEED OPERATING RANGES  
Symbol  
Parameter  
Min  
4.5  
–55  
0
Typ  
5.0  
25  
Max  
5.5  
125  
70  
Unit  
V
V
CC  
Supply Voltage  
54, 74  
54  
T
A
Operating Ambient Temperature Range  
°C  
74  
25  
I
I
Output Current – High  
Output Current – Low  
54, 74  
54, 74  
–1.0  
20  
mA  
mA  
OH  
OL  
DC CHARACTERISTICS OVER OPERATING TEMPERATURE RANGE (unless otherwise specified)  
Limits  
Symbol  
Parameter  
Input HIGH Voltage  
Min  
Typ  
Max  
Unit  
V
Test Conditions  
Guaranteed Input HIGH Voltage  
Guaranteed Input LOW Voltage  
V
IH  
2.0  
V
V
V
Input LOW Voltage  
0.8  
V
IL  
Input Clamp Diode Voltage  
Output HIGH Voltage  
–1.2  
V
I
I
I
I
= –18 mA  
V
V
V
V
V
= MIN  
IK  
IN  
CC  
CC  
CC  
CC  
CC  
54, 74  
74  
2.5  
2.7  
3.4  
3.4  
V
= – 1.0 mA  
= – 1.0 mA  
= 20 mA  
= 2.7 V  
= 4.5 V  
= 4.75 V  
= MIN  
OH  
OH  
OH  
OL  
V
V
OL  
Output LOW Voltage  
Input HIGH Current  
0.35  
0.5  
20  
V
I
µA  
µA  
mA  
mA  
mA  
V
V
V
V
V
= MAX  
IH  
IN  
100  
–0.6  
–150  
38  
= 7.0 V  
IN  
I
I
I
Input LOW Current  
= 0.5 V  
V
V
V
= MAX  
= MAX  
IL  
IN  
CC  
Output Short Circuit Current (Note 2)  
Power Supply Current  
–60  
= 0 V  
OUT  
OS  
CC  
CC  
25  
= MAX  
= GND  
IN  
CC  
CP =  
NOTES:  
1. For conditions shown as MIN or MAX, use the appropriate value specified under guaranteed operating ranges.  
2. Not more than one output should be shorted at a time, nor for more than 1 second.  
FAST AND LS TTL DATA  
4-190  
MC54/74F398  
AC CHARACTERISTICS  
54/74F  
54F  
74F  
T
A
= + 25°C  
T
A
= –55°C to +125°C  
T = –0°C to 70°C  
A
V
= +5.0 V  
= 50 pF  
Typ  
V
= 5.0 V ±10%  
V
= 5.0 V ±10%  
CC  
CC  
CC  
C
C
= 50 pF  
C = 50 pF  
L
L
L
Symbol  
Parameter  
Min  
100  
3.0  
Max  
Min  
80  
Max  
Min  
100  
3.0  
Max  
Unit  
MHz  
ns  
f
t
t
Maximum Clock Frequency  
Propagation Delay  
CP to Q or Q  
140  
max  
PLH  
PHL  
5.7  
7.5  
9.5  
3.0  
3.0  
9.5  
8.5  
3.0  
6.8  
11.5  
3.0  
10.0  
AC OPERATING REQUIREMENTS  
54/74F  
= +25°C  
54F  
= –55°C to +125°C  
74F  
T = –0°C to 70°C  
A
T
A
T
A
V
CC  
= +5.0V  
V
CC  
= 5.0 V ±10%  
V = 5.0 V ±10%  
CC  
Symbol  
t (H)  
Parameter  
Min  
3.0  
3.0  
1.0  
1.0  
7.5  
7.5  
0
Typ  
Max  
Min  
4.5  
4.5  
1.5  
1.5  
10.5  
10.5  
0
Max  
Min  
3.0  
3.0  
1.0  
1.0  
8.5  
8.5  
0
Max  
Unit  
Setup Time, HIGH or LOW  
ns  
s
t (L)  
s
I to CP  
n
t (H)  
h
Hold Time, HIGH or LOW  
I to CP  
n
ns  
ns  
ns  
ns  
t (L)  
h
t (H)  
s
Setup Time, HIGH or LOW  
S to CP  
t (L)  
s
t (H)  
h
Hold Time, HIGH or LOW  
S to CP  
t (L)  
h
0
0
0
t (H)  
w
CP Pulse Width  
HIGH or LOW  
4.0  
5.0  
4.0  
7.0  
4.0  
5.0  
t (L)  
w
FAST AND LS TTL DATA  
4-191  
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