參數(shù)資料
型號: SN54LS112A
廠商: Motorola, Inc.
英文描述: DUAL JK NEGATIVE EDGE-TRIGGERED FLIP-FLOP
中文描述: 雙JK負邊沿觸發(fā)器
文件頁數(shù): 2/4頁
文件大?。?/td> 147K
代理商: SN54LS112A
5-186
FAST AND LS TTL DATA
SN54/74LS112A
GUARANTEED OPERATING RANGES
Symbol
Parameter
Min
Typ
Max
Unit
VCC
Supply Voltage
54
74
4.5
4.75
5.0
5.0
5.5
5.25
V
TA
Operating Ambient Temperature Range
54
74
–55
0
25
25
125
70
°
C
IOH
IOL
Output Current — High
54, 74
–0.4
mA
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
Min
Typ
Max
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
74
0.8
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
or VIL per Truth Table
VCC = MIN, IOH = MAX, VIN = VIH
74
2.7
3.5
V
VOL
Output LOW Voltage
54, 74
0.25
0.4
V
IOL = 4.0 mA
VCC = VCC MIN,
per Truth Table
74
0.35
0.5
V
IOL = 8.0 mA
VIN = VIL or VIH
IIH
Input HIGH Current
J, K
Set, Clear
Clock
20
60
80
μ
A
VCC = MAX, VIN = 2.7 V
J, K
Set, Clear
Clock
0.1
0.3
0.4
mA
VCC = MAX, VIN = 7.0 V
IIL
Input LOW Current
J, K
Clear, Set, Clk
–0.4
–0.8
mA
VCC = MAX, VIN = 0.4 V
IOS
ICC
Note 1: Not more than one output should be shorted at a time, nor for more than 1 second.
Short Circuit Current (Note 1)
–20
–100
mA
VCC = MAX
VCC = MAX
Power Supply Current
6.0
mA
AC CHARACTERISTICS
(TA = 25
°
C, VCC = 5.0 V)
Symbol
Parameter
Limits
Unit
Test Conditions
Min
Typ
Max
fMAX
Maximum Clock Frequency
30
45
MHz
CL = 15 pF
tPHL
Propagation Delay, Clock
Clear, Set to Output
15
20
ns
VCC = 5.0 V
tPLH
15
20
ns
AC SETUP REQUIREMENTS
(TA = 25
°
C, VCC = 5.0 V)
Symbol
Parameter
Limits
Unit
Test Conditions
Min
Typ
Max
tW
tW
ts
th
Clock Pulse Width High
20
ns
VCC = 5.0 V
Clear, Set Pulse Width
25
ns
Setup Time
20
ns
Hold Time
0
ns
相關PDF資料
PDF描述
SN74LS112D DUAL JK NEGATIVE EDGE-TRIGGERED FLIP-FLOP
SN74LS112N DUAL JK NEGATIVE EDGE-TRIGGERED FLIP-FLOP
SN54LS113A DUAL JK NEGATIVE EDGE-TRIGGERED FLIP-FLOP
SN74LS113A DUAL JK NEGATIVE EDGE-TRIGGERED FLIP-FLOP
SN54LS113J DUAL JK NEGATIVE EDGE-TRIGGERED FLIP-FLOP
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