MC74F241N [MOTOROLA]
Bus Driver, F/FAST Series, 2-Func, 4-Bit, True Output, TTL, PDIP20, 738-03;型号: | MC74F241N |
厂家: | MOTOROLA |
描述: | Bus Driver, F/FAST Series, 2-Func, 4-Bit, True Output, TTL, PDIP20, 738-03 驱动 光电二极管 输出元件 逻辑集成电路 |
文件: | 总4页 (文件大小:89K) |
中文: | 中文翻译 | 下载: | 下载PDF数据表文档文件 |
MC54/74F240
MC54/74F241
MC54/74F244
OCTAL BUFFER/LINE DRIVER
WITH 3-STATE OUTPUTS
The F240, F241 and F244 are octal buffers and line drivers designed to be
employed as memory address drivers, clock drivers, and bus-oriented trans-
mitters/receivers which provide improved PC board density.
• 3-State Outputs Drive Bus Lines or Buffer Memory Address Registers
• Outputs Sink 64 mA
OCTAL BUFFER/LINE DRIVER
WITH 3-STATE OUTPUTS
FAST SCHOTTKY TTL
• 15 mA Source Current
• Input Clamp Diodes Limit High-Speed Termination Effects
>
• ESD 4000 Volts
CONNECTION DIAGRAMS
MC54/74F240
J SUFFIX
CERAMIC
CASE 732-03
20
V
OE
19
Y
I
Y
I
Y
I
Y
I
b3
1
CC
20
b
a0
18
b0
17
a1
16
b1
15
a2
14
b2
13
a3
12
11
N SUFFIX
PLASTIC
CASE 738-03
20
1
1
2
3
4
5
6
7
8
9
10
OE
I
Y
I
Y
I
Y
I
Y
GND
b3
a
a0
b0
a1
b1
a2
b2
a3
DW SUFFIX
SOIC
CASE 751D-03
20
1
MC54/74F241
V
OE
19
Y
I
Y
I
Y
I
Y I
a3 b3
CC
20
b
a0
18
b0
17
a1
16
b1
a2
14
b2
13
ORDERING INFORMATION
15
12
11
MC54FXXXJ
Ceramic
MC74FXXXN Plastic
MC74FXXXDW SOIC
1
OE
2
I
3
4
5
6
7
8
9
10
Y
I
Y
I
Y
b3
Y
I
a1
GND
b1
a2
b2
a3
a
a0
b0
MC54/74F244
V
OE
19
Y
I
Y
I
Y
I
Y I
a3 b3
CC
20
b
a0 b0
18 17
a1
16
b1
15
a2
14
b2
12
11
13
1
2
3
4
5
6
7
8
9
10
OE
I
Y
I
Y
I
Y
I
Y GND
b3
a
a0
b0
a1
b1
a2
b2
a3
FAST AND LS TTL DATA
4-108
MC54/74F240 • MC54/74F241 • MC54/74F244
FUNCTION TABLE
MC54/74F240
FUNCTION TABLE
MC54/74F241
FUNCTION TABLE
MC54/74F244
Inputs
Outputs
Inputs
Outputs
Inputs
Outputs
OE
I
a
OE
I
b
Y
a
Y
b
OE
I
a
OE
I
b
Y
a
Y
b
OE
I
a
OE
I
b
Y
a
Y
b
a
b
a
b
a
b
L
L
H
L
H
X
L
L
H
L
H
X
H
L
Z
H
L
Z
L
L
H
L
H
X
H
H
L
L
H
X
L
H
Z
L
H
Z
L
L
H
L
H
X
L
L
H
L
H
X
L
H
Z
L
H
Z
H = HIGH Voltage Level; L = LOW Voltage Level; X = Don’t Care; Z = High Impedance
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
–12
–15
mA
mA
OH
54
74
48
64
OL
FAST AND LS TTL DATA
4-109
MC54/74F240 • MC54/74F241 • MC54/74F244
DC CHARACTERISTICS OVER OPERATING TEMPERATURE RANGE (unless otherwise specified)
Limits
Symbol
Parameter
Input HIGH Voltage
Min
Typ
Max
Unit
V
Test Conditions
V
V
V
V
2.0
Guaranteed Input HIGH Voltage
Guaranteed Input LOW Voltage
IH
Input LOW Voltage
0.8
V
IL
Input Clamp Diode Voltage
Output HIGH Voltage
–1.2
V
I
I
I
I
I
I
I
= –18 mA
V
CC
V
CC
V
CC
V
CC
V
CC
V
CC
= MIN
IK
IN
54, 74
74
2.4
2.7
2.0
2.0
3.4
3.4
V
= –3.0 mA
= –3.0 mA
= –12 mA
= –15 mA
= 48 mA
= 4.50 V
= 4.75 V
= 4.50 V
= 4.50 V
= MIN
OH
OH
OH
OH
OH
OL
OL
V
54
V
74
V
V
OL
Output LOW Voltage
54
0.55
0.55
50
V
74
V
= 64 mA
I
I
I
Output Off Current HIGH
Output Off Current LOW
Input HIGH Current
µA
µA
µA
V
V
V
V
= 2.7 V
= 0.5 V
V
CC
V
CC
V
CC
= MAX
= MAX
= MAX
OZH
OZL
IH
OUT
OUT
–50
20
= 2.7 V
IN
IN
100
= 7.0 V
Data Inputs
F241, F244
I
I
I
I
I
Input LOW Current
–1.6
–1.0
–225
–275
35
mA
V
= 0.5 V
V
V
= MAX
= MAX
IL
IN
CC
Other
74
Output Short Circuit Current
(Note 2)
–100
–100
mA
mA
V = GND
OUT
OS
CC
54
Power Supply Current HIGH
F240
CCH
CCL
CCZ
F241, F244
F240
60
Power Supply Current LOW
Power Supply Current OFF
75
mA
V = MAX
CC
F241, F244
F240
90
75
F241, F244
90
NOTES:
1. For conditions shown as MIN or MAX, use the appropriate value specified under recommended operating conditions for the applicable device type.
2. Not more than one output should be shorted at a time, nor for more than 1 second.
FAST AND LS TTL DATA
4-110
MC54/74F240 • MC54/74F241 • MC54/74F244
AC CHARACTERISTICS – MC54/74F240
54/74F
= +25°C
54F
74F
T
A
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
CC
= 5.0 V ± 10%
CC
CC
C
C
= 50 pF
C = 50 pF
L
L
L
Symbol
Parameter
Min
2.5
1.5
2.0
4.0
2.0
1.5
Max
7.0
4.7
5.2
9.0
5.3
8.0
Min
2.5
1.5
2.0
4.0
2.0
2.0
Max
Min
2.5
1.5
2.0
4.0
2.0
1.5
Max
Unit
t
Propagation Delay, Data to Output
5.1
9.0
6.0
8.0
5.7
5.7
10
ns
PLH
PHL
PZH
t
3.5
t
t
Output Enable Time
Output Disable Time
3.5
6.5
ns
ns
t
6.9
13.5
6.5
PZL
PHZ
4.0
6.3
9.5
t
6.0
12.5
PLZ
AC CHARACTERISTICS – MC54/74F241
54/74F
= +25°C
54F
= -55°C to +125°C
74F
T = 0°C to +70°C
A
T
A
T
A
V
= +5.0 V
= 50 pF
Typ
V
= 5.0 V ± 10%
V
CC
= 5.0 V ± 10%
CC
CC
C
C
= 50 pF
C = 50 pF
L
L
L
Symbol
Parameter
Min
2.5
2.5
2.0
2.0
2.0
2.0
Max
5.2
5.2
5.7
7.0
6.0
6.5
Min
2.0
2.0
2.0
2.0
2.0
2.0
Max
Min
2.5
2.5
2.0
2.0
2.0
2.0
Max
Unit
t
t
Propagation Delay, Data to Output
4.0
6.5
7.0
7.0
8.5
7.0
12.5
6.2
6.5
6.7
8.0
7.0
7.5
ns
PLH
PHL
PZH
4.0
t
Output Enable Time
Output Disable Time
4.3
ns
ns
t
5.4
PZL
t
4.5
PHZ
t
4.5
PLZ
AC CHARACTERISTICS – MC54/74F244
54/74F
= +25°C
54F
= -55°C to +125°C
74F
T = 0°C to +70°C
A
T
A
T
A
V
= +5.0 V
= 50 pF
Typ
V
= 5.0 V ± 10%
V
CC
= 5.0 V ± 10%
CC
CC
C
C
= 50 pF
C = 50 pF
L
L
L
Symbol
Parameter
Min
2.5
2.5
2.0
2.0
2.0
2.0
Max
5.2
5.2
5.7
7.0
6.0
6.0
Min
2.5
2.5
2.0
2.0
2.0
2.0
Max
Min
2.5
2.5
2.0
2.0
2.0
2.0
Max
Unit
t
t
Propagation Delay, Data to Output
4.0
6.5
7.0
7.0
8.5
7.0
10.0
6.2
6.5
6.7
8.0
7.0
7.0
ns
PLH
PHL
PZH
4.0
t
Output Enable Time
Output Disable Time
4.3
ns
ns
t
5.4
PZL
t
4.5
PHZ
t
4.5
PLZ
FAST AND LS TTL DATA
4-111
相关型号:
MC74F242DD
Bus Transceiver, F/FAST Series, 1-Func, 4-Bit, Inverted Output, TTL, PDSO14, PLASTIC, SOIC-14
MOTOROLA
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