参数资料
型号: SN74LS74N
厂商: ON SEMICONDUCTOR
元件分类: 锁存器
英文描述: LS SERIES, DUAL POSITIVE EDGE TRIGGERED D FLIP-FLOP, INVERTED OUTPUT, PDIP14
封装: PLASTIC, DIP-14
文件页数: 2/3页
文件大小: 77K
代理商: SN74LS74N
5-73
FAST AND LS TTL DATA
SN54/74LS74A
GUARANTEED OPERATING RANGES
Symbol
Parameter
Min
Typ
Max
Unit
VCC
Supply Voltage
54
74
4.5
4.75
5.0
5.5
5.25
V
TA
Operating Ambient Temperature Range
54
74
– 55
0
25
125
70
°C
IOH
Output Current — High
54, 74
– 0.4
mA
IOL
Output Current — Low
54
74
4.0
8.0
mA
DC CHARACTERISTICS OVER OPERATING TEMPERATURE RANGE (unless otherwise specified)
Symbol
Parameter
Limits
Unit
Test Conditions
Symbol
Parameter
Min
Typ
Max
Unit
Test Conditions
VIH
Input HIGH Voltage
2.0
V
Guaranteed Input HIGH Voltage for
All Inputs
VIL
Input LOW Voltage
54
0.7
V
Guaranteed Input LOW Voltage for
All Inputs
VIL
Input LOW Voltage
74
0.8
V
Guaranteed Input LOW Voltage for
All Inputs
VIK
Input Clamp Diode Voltage
– 0.65
– 1.5
V
VCC = MIN, IIN = – 18 mA
VOH
Output HIGH Voltage
54
2.5
3.5
V
VCC = MIN, IOH = MAX, VIN = VIH
or VIL per Truth Table
VOH
Output HIGH Voltage
74
2.7
3.5
V
VCC = MIN, IOH = MAX, VIN = VIH
or VIL per Truth Table
VOL
Output LOW Voltage
54, 74
0.25
0.4
V
IOL = 4.0 mA
VCC = VCC MIN,
VIN = VIL or VIH
per Truth Table
VOL
Output LOW Voltage
74
0.35
0.5
V
IOL = 8.0 mA
VIN = VIL or VIH
per Truth Table
IIH
Input High Current
Data, Clock
Set, Clear
20
40
A
VCC = MAX, VIN = 2.7 V
IIH
Data, Clock
Set, Clear
0.1
0.2
mA
VCC = MAX, VIN = 7.0 V
IIL
Input LOW Current
Data, Clock
Set, Clear
– 0.4
– 0.8
mA
VCC = MAX, VIN = 0.4 V
IOS
Output Short Circuit Current (Note 1)
– 20
–100
mA
VCC = MAX
ICC
Power Supply Current
8.0
mA
VCC = MAX
Note 1: Not more than one output should be shorted at a time, nor for more than 1 second.
AC CHARACTERISTICS (TA = 25°C, VCC = 5.0 V)
Symbol
Parameter
Limits
Unit
Test Conditions
Symbol
Parameter
Min
Typ
Max
Unit
Test Conditions
fMAX
Maximum Clock Frequency
25
33
MHz
Figure 1
VCC = 5.0 V
CL = 15 pF
tPLH
tPHL
Clock, Clear, Set to Output
13
25
ns
Figure 1
VCC = 5.0 V
CL = 15 pF
tPLH
tPHL
Clock, Clear, Set to Output
25
40
ns
Figure 1
CL = 15 pF
AC SETUP REQUIREMENTS (TA = 25°C)
Symbol
Parameter
Limits
Unit
Test Conditions
Symbol
Parameter
Min
Typ
Max
Unit
Test Conditions
tW (H)
Clock
25
ns
Figure 1
VCC = 5.0 V
tW (L)
Clear, Set
25
ns
Figure 2
VCC = 5.0 V
ts
Data Setup Time — HIGH
Data Setup Time — LOW
20
ns
Figure 1
VCC = 5.0 V
ts
Data Setup Time — HIGH
Data Setup Time — LOW
20
ns
Figure 1
CC = 5.0 V
th
Hold Time
5.0
ns
Figure 1
相关PDF资料
PDF描述
SN74LS75JDS LS SERIES, DUAL HIGH LEVEL TRIGGERED D LATCH, COMPLEMENTARY OUTPUT, CDIP16
SN74LS77JD LS SERIES, DUAL HIGH LEVEL TRIGGERED D LATCH, TRUE OUTPUT, CDIP14
SN74LS75JS LS SERIES, DUAL HIGH LEVEL TRIGGERED D LATCH, COMPLEMENTARY OUTPUT, CDIP16
SN74LS75NS LS SERIES, DUAL HIGH LEVEL TRIGGERED D LATCH, COMPLEMENTARY OUTPUT, PDIP16
SN74LS75J LS SERIES, DUAL HIGH LEVEL TRIGGERED D LATCH, COMPLEMENTARY OUTPUT, CDIP16
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