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参数资料
| 型号： | SN74LS258N |
| 厂商： | ON SEMICONDUCTOR |
| 元件分类： | 编、解码器及复用、解复用 |
| 英文描述： | LS SERIES, QUAD 2 LINE TO 1 LINE MULTIPLEXER, INVERTED OUTPUT, PDIP16 |
| 封装： | PLASTIC, DIP-16 |
| 文件页数： | 4/4页 |
| 文件大小： | 63K |
| 代理商： | SN74LS258N |
5-4
FAST AND LS TTL DATA
SN54/74LS257B
D SN54/74LS258B
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
2.4
3.4
V
VCC = MIN, IOH = MAX, VIN = VIH
VOH
Output HIGH Voltage
74
2.4
3.1
V
CC
, OH
,
IN
IH
or VIL per Truth Table
VOL
Output LOW Voltage
54, 74
0.25
0.4
V
IOL = 12 mA
VCC = VCC MIN,
VIN =VIL or VIH
VOL
Output LOW Voltage
74
0.35
0.5
V
IOL = 24 mA
VIN = VIL or VIH
per Truth Table
IOZH
Output Off Current — HIGH
20
A
VCC = MAX, VOUT = 2.7 V
IOZL
Output Off Current — LOW
–20
A
VCC = MAX, VOUT = 0.4 V
IIH
Input HIGH Current
Other Inputs
S Inputs
20
40
A
VCC = MAX, VIN = 2.7 V
IIH
Other Inputs
S Inputs
0.1
0.2
mA
VCC = MAX, VIN = 7.0 V
IIL
Input LOW Current
All Inputs
– 0.4
mA
VCC = MAX, VIN = 0.4 V
IOS
Short Circuit Current (Note 1)
–30
– 130
mA
VCC = MAX
I
Power Supply Current
Total, Output HIGH
LS257B
LS258B
10
9.0
mA
V
MAX
ICC
Total, Output LOW
LS257B
LS258B
16
14
mA
VCC = MAX
Total, Output 3-State
LS257B
LS258B
19
16
mA
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) See SN54LS251 for Waveforms
Sb l
P
Limits
Ui
T
C
di i
Symbol
Parameter
Min
Typ
Max
Unit
Test Conditions
tPLH
tPHL
Propagation Delay, Data to Output
10
12
13
15
ns
Figures 1 & 2
CL =45pF
tPLH
tPHL
Propagation Delay, Select to Output
14
21
ns
Figures 1 & 2
CL = 45 pF
tPZH
Output Enable Time to HIGH Level
20
25
ns
Figures 4 & 5
CL = 45 pF
tPZL
Output Enable Time to LOW Level
20
25
ns
Figures 3 & 5
L
p
RL = 667
tPLZ
Output Disable Time to LOW Level
16
25
ns
Figures 3 & 5
CL = 5.0 pF
tPHZ
Output Disable Time from HIGH Level
18
25
ns
Figures 4 & 5
L
p
RL = 667
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相关代理商/技术参数 |
参数描述 |
|---|---|
| SN74LS259B | 制造商:. 功能描述: |
| SN74LS259BD | 功能描述:闭锁 Octal addressable 闭锁 RoHS:否 制造商:Micrel 电路数量:1 逻辑类型:CMOS 逻辑系列:TTL 极性:Non-Inverting 输出线路数量:9 高电平输出电流: 低电平输出电流: 传播延迟时间: 电源电压-最大:12 V 电源电压-最小:5 V 最大工作温度:+ 85 C 最小工作温度:- 40 C 封装 / 箱体:SOIC-16 封装:Reel |
| SN74LS259BDE4 | 功能描述:闭锁 Octal addressable 闭锁 RoHS:否 制造商:Micrel 电路数量:1 逻辑类型:CMOS 逻辑系列:TTL 极性:Non-Inverting 输出线路数量:9 高电平输出电流: 低电平输出电流: 传播延迟时间: 电源电压-最大:12 V 电源电压-最小:5 V 最大工作温度:+ 85 C 最小工作温度:- 40 C 封装 / 箱体:SOIC-16 封装:Reel |
| SN74LS259BDG4 | 功能描述:闭锁 Octal addressable latches RoHS:否 制造商:Micrel 电路数量:1 逻辑类型:CMOS 逻辑系列:TTL 极性:Non-Inverting 输出线路数量:9 高电平输出电流: 低电平输出电流: 传播延迟时间: 电源电压-最大:12 V 电源电压-最小:5 V 最大工作温度:+ 85 C 最小工作温度:- 40 C 封装 / 箱体:SOIC-16 封装:Reel |
| SN74LS259BDR | 功能描述:闭锁 Octal addressable 闭锁 RoHS:否 制造商:Micrel 电路数量:1 逻辑类型:CMOS 逻辑系列:TTL 极性:Non-Inverting 输出线路数量:9 高电平输出电流: 低电平输出电流: 传播延迟时间: 电源电压-最大:12 V 电源电压-最小:5 V 最大工作温度:+ 85 C 最小工作温度:- 40 C 封装 / 箱体:SOIC-16 封装:Reel |
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