參數(shù)資料
型號(hào)： SN54LS191J
廠商： MOTOROLA INC
元件分類： 通用總線功能
英文描述： PRESETTABLE BCD/DECADE UP/DOWN COUNTERS PRESETTABLE 4-BIT BINARY UP/DOWN COUNTERS
中文描述： LS SERIES, SYN POSITIVE EDGE TRIGGERED 4-BIT BIDIRECTIONAL BINARY COUNTER, CDIP16
封裝： CERAMIC, DIP-16
文件頁數(shù)： 5/10頁
文件大?。?/td> 310K
代理商： SN54LS191J
5-345
FAST AND LS TTL DATA
SN54/74LS190
SN54/74LS191
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
74
2.7
3.5
V
VCC = MIN, IOH = MAX, VIN = VIH
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
Other Inputs
CE
20
60
μ
A
VCC = MAX, VIN = 2.7 V
Other Inputs
CE
0.1
0.3
mA
VCC = MAX, VIN = 7.0 V
IIL
Input LOW Current
Other Inputs
CE
–0.4
–1.2
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
35
mA
相關(guān)PDF資料
PDF描述
SN74LS190D PRESETTABLE BCD/DECADE UP/DOWN COUNTERS PRESETTABLE 4-BIT BINARY UP/DOWN COUNTERS
SN74LS190N axial lead glass packaged PIN diodes
SN74LS191D Silicon Bipolar Darlington Amplifier
SN74LS191N PRESETTABLE BCD/DECADE UP/DOWN COUNTERS PRESETTABLE 4-BIT BINARY UP/DOWN COUNTERS
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