参数资料
型号: SN74LS147DR2
厂商: MOTOROLA INC
元件分类: 算术逻辑单元
英文描述: LS SERIES, 9-BIT ENCODER, PDSO16
封装: SOIC-16
文件页数: 4/5页
文件大小: 94K
代理商: SN74LS147DR2
5-4
FAST AND LS TTL DATA
SN54/74LS147
SN54/74LS148 SN54/74LS748
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)
Sb l
P
Limits
Ui
T
C
di i
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
VIL
Input LOW Voltage
74
0.8
V
pg
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
VOH
Output HIGH Voltage
74
2.7
3.5
V
CC
, OH
,
IN
IH
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
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
All Others
Input 0 (LS748)
Inputs 1 – 7 (LS148)
Inputs 1 – 7 (LS748)
20
40
60
A
VCC = MAX, VIN = 2.7 V
IIH
All Others
Input 0 (LS748)
Inputs 1 – 7 (LS148)
Inputs 1 – 7 (LS748)
0.1
0.2
0.3
mA
VCC = MAX, VIN = 7.0 V
IIL
Input LOW Current
All Others
Input 0 (LS748)
Inputs 1 – 7 (LS148)
Inputs 1 – 7 (LS748)
– 0.4
– 0.8
– 1.2
mA
VCC = MAX, VIN = 0.4 V
IOS
Short Circuit Current (Note 1)
–20
– 100
mA
VCC = MAX
ICCH
Power Supply Current Output HIGH
17
mA
VCC = MAX, All Inputs = 4.5 V
ICCL
Output LOW
20
mA
VCC = MAX, Inputs 7 & E1 = GND
All Other Inputs = 4.5 V
Note 1: Not more than one output should be shorted at a time, nor for more than 1 second.
相关PDF资料
PDF描述
SN74LS148JS LS SERIES, 8-BIT ENCODER, CDIP16
SN74LS14DR2 LS SERIES, HEX 1-INPUT INVERT GATE, PDSO14
SN74LS14NS LS SERIES, HEX 1-INPUT INVERT GATE, PDIP14
SN74LS14JS LS SERIES, HEX 1-INPUT INVERT GATE, CDIP14
SN74LS151MEL LS SERIES, 8 LINE TO 1 LINE MULTIPLEXER, COMPLEMENTARY OUTPUT, PDSO16
相关代理商/技术参数
参数描述
SN74LS148D 功能描述:编码器、解码器、复用器和解复用器 8 to 3 Priority RoHS:否 制造商:Micrel 产品:Multiplexers 逻辑系列:CMOS 位数: 线路数量(输入/输出):2 / 12 传播延迟时间:350 ps, 400 ps 电源电压-最大:2.625 V, 3.6 V 电源电压-最小:2.375 V, 3 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:QFN-44 封装:Tray
SN74LS148DE4 功能描述:编码器、解码器、复用器和解复用器 8-line to 3-line Priority encoder RoHS:否 制造商:Micrel 产品:Multiplexers 逻辑系列:CMOS 位数: 线路数量(输入/输出):2 / 12 传播延迟时间:350 ps, 400 ps 电源电压-最大:2.625 V, 3.6 V 电源电压-最小:2.375 V, 3 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:QFN-44 封装:Tray
SN74LS148DG4 功能描述:编码器、解码器、复用器和解复用器 8 Ln to 3 Ln Priority Encoder RoHS:否 制造商:Micrel 产品:Multiplexers 逻辑系列:CMOS 位数: 线路数量(输入/输出):2 / 12 传播延迟时间:350 ps, 400 ps 电源电压-最大:2.625 V, 3.6 V 电源电压-最小:2.375 V, 3 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:QFN-44 封装:Tray
SN74LS148DR 功能描述:编码器、解码器、复用器和解复用器 8 to 3 Priority RoHS:否 制造商:Micrel 产品:Multiplexers 逻辑系列:CMOS 位数: 线路数量(输入/输出):2 / 12 传播延迟时间:350 ps, 400 ps 电源电压-最大:2.625 V, 3.6 V 电源电压-最小:2.375 V, 3 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:QFN-44 封装:Tray
SN74LS148DR2 制造商:ON Semiconductor 功能描述:Encoder 8-to-3 Priority Bipolar 16-Pin SOIC T/R