M74HC251RM13TR
更新时间：2024-09-18 05:26:17
描述：8-CHANNEL MULTIPLEXER (3-STATE)
概述
规格参数
数据手册
替代型号M74HC251RM13TR 概述
8-CHANNEL MULTIPLEXER (3-STATE) 8通道多路复用器（三态） 逻辑控制器 复用器/解复用器
M74HC251RM13TR 规格参数
| 是否无铅： | 不含铅 | 是否Rohs认证： | 不符合 |
| 生命周期： | Obsolete | 零件包装代码： | SOIC |
| 包装说明： | SOP-16 | 针数： | 16 |
| Reach Compliance Code： | compliant | HTS代码： | 8542.39.00.01 |
| Factory Lead Time： | 16 weeks | 风险等级： | 5.31 |
| Is Samacsys： | N | 系列： | HC/UH |
| JESD-30 代码： | R-PDSO-G16 | JESD-609代码： | e4 |
| 长度： | 9.9 mm | 负载电容（CL）： | 50 pF |
| 逻辑集成电路类型： | MULTIPLEXER | 最大I（ol）： | 0.004 A |
| 湿度敏感等级： | 3 | 功能数量： | 1 |
| 输入次数： | 8 | 输出次数： | 1 |
| 端子数量： | 16 | 最高工作温度： | 125 °C |
| 最低工作温度： | -55 °C | 输出特性： | 3-STATE |
| 输出极性： | COMPLEMENTARY | 封装主体材料： | PLASTIC/EPOXY |
| 封装代码： | SOP | 封装等效代码： | SOP16,.25 |
| 封装形状： | RECTANGULAR | 封装形式： | SMALL OUTLINE |
| 包装方法： | TAPE AND REEL | 峰值回流温度（摄氏度）： | 260 |
| 电源： | 2/6 V | Prop。Delay @ Nom-Sup： | 48 ns |
| 传播延迟（tpd）： | 195 ns | 认证状态： | Not Qualified |
| 座面最大高度： | 1.75 mm | 子类别： | Multiplexer/Demultiplexers |
| 最大供电电压 (Vsup)： | 6 V | 最小供电电压 (Vsup)： | 2 V |
| 标称供电电压 (Vsup)： | 4.5 V | 表面贴装： | YES |
| 技术： | CMOS | 温度等级： | MILITARY |
| 端子面层： | Nickel/Palladium/Gold (Ni/Pd/Au) | 端子形式： | GULL WING |
| 端子节距： | 1.27 mm | 端子位置： | DUAL |
| 处于峰值回流温度下的最长时间： | 30 | 宽度： | 3.9 mm |
| Base Number Matches： | 1 |
M74HC251RM13TR 数据手册
通过下载M74HC251RM13TR数据手册来全面了解它。这个PDF文档包含了所有必要的细节，如产品概述、功能特性、引脚定义、引脚排列图等信息。
PDF下载M74HC251
8-CHANNEL MULTIPLEXER (3-STATE)
■
■
■
■
■
■
■
HIGH SPEED :
= 17 ns (TYP.) at V = 6V
t
PD
CC
LOW POWER DISSIPATION:
=4µA(MAX.) at T =25°C
I
CC
A
HIGH NOISE IMMUNITY:
= V = 28 % V (MIN.)
V
NIH
NIL
CC
DIP
SOP
TSSOP
T & R
SYMMETRICAL OUTPUT IMPEDANCE:
|I | = I = 4mA (MIN)
OH
OL
BALANCED PROPAGATION DELAYS:
t
t
ORDER CODES
PACKAGE
PLH
PHL
WIDE OPERATING VOLTAGE RANGE:
(OPR) = 2V to 6V
TUBE
V
CC
DIP
SOP
M74HC251B1R
M74HC251M1R
PIN AND FUNCTION COMPATIBLE WITH
74 SERIES 251
M74HC251RM13TR
M74HC251TTR
TSSOP
DESCRIPTION
The M74HC251 is an high speed CMOS
in the high impedance state. When enabled,
address information on the data select inputs
determines which data input is routed to Y and W.
All inputs are equipped with protection circuits
against static discharge and transient excess
voltage.
8-CHANNEL
MULTIPLEXER
(3-STATE)
2
fabricated with silicon gate C MOS technology.
This Multiplexer features both true (Y) and
complement (W) outputs as well as STROBE
input. When the STROBE is high, both outputs are
PIN CONNECTION AND IEC LOGIC SYMBOLS
July 2001
1/11
M74HC251
INPUT AND OUTPUT EQUIVALENT CIRCUIT
PIN DESCRIPTION
PIN No
SYMBOL
NAME AND FUNCTION
4, 3, 2, 1, 15,
14, 13, 12
D0 to D7
Multiplexer Inputs
Multiplexer Output
5
Y
Complementary Multi-
plexer Output
6
W
3 State Output Enable
Input
7
STROBE
11, 10, 9
A, B, C
GND
Vcc
Select Inputs
8
Ground (0V)
16
Positive Supply Voltage
TRUTH TABLE
INPUTS
OUTPUTS
W
STROBE
S
Y
C
B
A
X
L
X
L
X
L
H
L
L
L
L
L
L
L
L
Z
Z
D0
D1
D2
D3
D4
D5
D6
D7
D0
D1
D2
D3
D4
D5
D6
D7
L
L
H
L
L
H
H
L
L
H
L
H
H
H
H
L
H
L
H
H
H
X : Don’t Care
Z : High Impedance
2/11
M74HC251
LOGIC DIAGRAM
This logic diagram has not be used to estimate propagation delays
ABSOLUTE MAXIMUM RATINGS
Symbol
Parameter
Value
Unit
V
Supply Voltage
-0.5 to +7
V
V
CC
V
DC Input Voltage
-0.5 to V + 0.5
I
CC
V
DC Output Voltage
DC Input Diode Current
DC Output Diode Current
DC Output Current
-0.5 to V + 0.5
V
O
CC
I
± 20
± 20
mA
mA
mA
mA
mW
°C
IK
I
OK
I
± 25
O
I
or I
DC V
or Ground Current
CC
± 50
CC
GND
P
Power Dissipation
500(*)
-65 to +150
300
D
T
Storage Temperature
Lead Temperature (10 sec)
stg
T
°C
L
Absolute Maximum Ratings are those values beyond which damage to the device may occur. Functional operation under these conditions is
not implied
(*) 500mW at 65 °C; derate to 300mW by 10mW/°C from 65°C to 85°C
3/11
M74HC251
RECOMMENDED OPERATING CONDITIONS
Symbol
Parameter
Value
Unit
V
Supply Voltage
2 to 6
0 to V
V
V
CC
V
Input Voltage
I
CC
V
Output Voltage
0 to V
CC
V
O
T
Operating Temperature
Input Rise and Fall Time
-55 to 125
0 to 1000
0 to 500
0 to 400
°C
ns
ns
ns
op
V
V
V
= 2.0V
= 4.5V
= 6.0V
CC
CC
CC
t , t
r
f
DC SPECIFICATIONS
Test Condition
Value
-40 to 85°C -55 to 125°C Unit
Min. Typ. Max. Min. Max. Min. Max.
T = 25°C
Symbol
Parameter
A
V
CC
(V)
V
High Level Input
Voltage
2.0
4.5
6.0
2.0
4.5
6.0
2.0
1.5
3.15
4.2
1.5
3.15
4.2
1.5
3.15
4.2
IH
V
V
V
Low Level Input
Voltage
0.5
1.35
1.8
0.5
1.35
1.8
0.5
1.35
1.8
IL
V
High Level Output
Voltage
I =-20 µA
1.9
4.4
5.9
2.0
4.5
6.0
1.9
4.4
1.9
4.4
OH
O
I =-20 µA
4.5
6.0
4.5
6.0
2.0
4.5
6.0
4.5
6.0
O
I =-20 µA
5.9
5.9
V
V
O
I =-4.0 mA
4.18 4.31
4.13
5.63
4.10
5.60
O
I =-5.2 mA
5.68
5.8
0.0
0.0
0.0
O
V
Low Level Output
Voltage
I =20 µA
0.1
0.1
0.1
0.1
0.1
0.1
0.1
OL
O
I =20 µA
O
I =20 µA
0.1
0.1
O
I =4.0 mA
0.17 0.26
0.18 0.26
0.33
0.33
0.40
0.40
O
I =5.2 mA
O
I
Input Leakage
Current
I
V = V
or GND
CC
6.0
6.0
6.0
± 0.1
± 0.5
4
± 1
± 5
40
± 1
± 10
80
µA
µA
µA
I
I
I
High Impedance
Output Leakage
Current
OZ
V = V or V
IL
I
IH
V
= V or GND
CC
O
Quiescent Supply
Current
CC
V = V
or GND
CC
I
4/11
M74HC251
AC ELECTRICAL CHARACTERISTICS (C = 50 pF, Input t = t = 6ns)
L
r
f
Test Condition
Value
-40 to 85°C -55 to 125°C Unit
T = 25°C
Symbol
Parameter
A
V
CC
(V)
Min. Typ. Max. Min. Max. Min. Max.
t
t
Output Transition
Time
2.0
4.5
6.0
2.0
4.5
6.0
2.0
4.5
6.0
2.0
4.5
6.0
2.0
4.5
6.0
30
8
75
15
13
130
26
22
160
32
27
90
18
15
85
17
14
95
19
115
23
TLH THL
ns
ns
ns
ns
ns
7
16
20
t
t
Propagation Delay
Time
64
16
14
80
20
17
36
11
9
165
33
195
39
PLH PHL
(D - Y, W)
28
33
t
Propagation Delay
Time
200
40
240
48
PHL
(A, B, C -Y, W)
34
41
t
t
t
High Impedance
Output Enable
Time
115
23
135
27
PZL PZH
R = 1 KΩ
L
20
23
t
High Impedance
Output Disable
Time
26
13
11
105
21
130
26
PLZ PHZ
R = 1 KΩ
L
18
22
CAPACITIVE CHARACTERISTICS
Test Condition
Value
-40 to 85°C -55 to 125°C Unit
T = 25°C
Symbol
Parameter
A
V
CC
(V)
Min. Typ. Max. Min. Max. Min. Max.
C
Input Capacitance
5.0
5
10
10
10
pF
pF
IN
C
Power Dissipation
Capacitance (note
1)
PD
5.0
62
1) C is defined as the value of the IC’s internal equivalent capacitance which is calculated from the operating current consumption without
PD
load. (Refer to Test Circuit). Average operating current can be obtained by the following equation. I
= C x V x f + I
CC(opr)
PD CC IN CC
5/11
M74HC251
TEST CIRCUIT
TEST
SWITCH
t
t
t
, t
Open
PLH PHL
, t
V
CC
PZL PLZ
, t
GND
PZH PHZ
C
R
R
= 50pF/150pF or equivalent (includes jig and probe capacitance)
L
1
T
= 1KΩ or equivalent
= Z
of pulse generator (typically 50Ω)
OUT
WAVEFORM 1: PROPAGATION DELAY TIME (f=1MHz; 50% duty cycle)
6/11
M74HC251
WAVEFORM 2 : OUTPUT ENABLE AND DISABLE TIME (f=1MHz; 50% duty cycle)
7/11
M74HC251
Plastic DIP-16 (0.25) MECHANICAL DATA
mm.
TYP
inch
TYP.
DIM.
MIN.
0.51
0.77
MAX.
MIN.
0.020
0.030
MAX.
a1
B
b
1.65
0.065
0.5
0.020
0.010
b1
D
E
e
0.25
20
0.787
8.5
2.54
17.78
0.335
0.100
0.700
e3
F
7.1
5.1
0.280
0.201
I
L
3.3
0.130
Z
1.27
0.050
P001C
8/11
M74HC251
SO-16 MECHANICAL DATA
mm.
inch
TYP.
DIM.
MIN.
TYP
MAX.
1.75
0.2
MIN.
MAX.
0.068
0.007
0.064
0.018
0.010
A
a1
a2
b
0.1
0.003
1.65
0.46
0.25
0.35
0.19
0.013
0.007
b1
C
0.5
0.019
c1
D
45° (typ.)
9.8
5.8
10
0.385
0.228
0.393
0.244
E
6.2
e
1.27
8.89
0.050
0.350
e3
F
3.8
4.6
0.5
4.0
5.3
0.149
0.181
0.019
0.157
0.208
0.050
0.024
G
L
1.27
0.62
M
S
8° (max.)
PO13H
9/11
M74HC251
TSSOP16 MECHANICAL DATA
mm.
inch
TYP.
DIM.
MIN.
TYP
MAX.
1.2
MIN.
MAX.
0.047
0.006
0.041
0.012
0.0089
0.201
0.260
0.176
A
A1
A2
b
0.05
0.8
0.15
1.05
0.30
0.20
5.1
0.002
0.031
0.007
0.004
0.193
0.244
0.169
0.004
0.039
1
0.19
0.09
4.9
c
D
5
6.4
0.197
0.252
E
6.2
6.6
E1
e
4.3
4.4
4.48
0.173
0.65 BSC
0.0256 BSC
K
0°
8°
0°
8°
L
0.45
0.60
0.75
0.018
0.024
0.030
A2
A
K
L
b
e
A1
c
E
D
E1
PIN 1 IDENTIFICATION
1
0080338D
10/11
M74HC251
Information furnished is believed to be accurate and reliable. However, STMicroelectronics assumes no responsibility for the
consequences of use of such information nor for any infringement of patents or other rights of third parties which may result from
its use. No license is granted by implication or otherwise under any patent or patent rights of STMicroelectronics. Specifications
mentioned in this publication are subject to change without notice. This publication supersedes and replaces all information
previously supplied. STMicroelectronics products are not authorized for use as critical components in life support devices or
systems without express written approval of STMicroelectronics.
© The ST logo is a registered trademark of STMicroelectronics
© 2001 STMicroelectronics - Printed in Italy - All Rights Reserved
STMicroelectronics GROUP OF COMPANIES
Australia - Brazil - China - Finland - France - Germany - Hong Kong - India - Italy - Japan - Malaysia - Malta - Morocco
Singapore - Spain - Sweden - Switzerland - United Kingdom
© http://www.st.com
11/11
M74HC251RM13TR 替代型号
| 型号 | 制造商 | 描述 | 替代类型 | 文档 |
| SN74HC251D | TI | DATA SELECTORS/MULTIPLEXERS WITH 3-STATE OUTPUTS | 功能相似 |
|
| SN74HC251DR | TI | DATA SELECTORS/MULTIPLEXERS WITH 3-STATE OUTPUTS | 功能相似 |
|
| MM74HC251MX | FAIRCHILD | Multiplexer, HC/UH Series, 1-Func, 8 Line Input, 1 Line Output, Complementary Output, CMOS | 功能相似 |
|
M74HC251RM13TR 相关器件
| 型号 | 制造商 | 描述 | 价格 | 文档 |
| M74HC251TTR | STMICROELECTRONICS | 8-CHANNEL MULTIPLEXER (3-STATE) | 获取价格 |
|
| M74HC253 | STMICROELECTRONICS | HC253 DUAL 4 CHANNEL MULTIPLEXER 3 STATE OUTPUT HC153 DUAL 4 CHANNEL MULTIPLEXER | 获取价格 |
|
| M74HC253B1N | STMICROELECTRONICS | HC/UH SERIES, DUAL 4 LINE TO 1 LINE MULTIPLEXER, TRUE OUTPUT, PDIP16, PLASTIC, DIP-16 | 获取价格 |
|
| M74HC253B1R | STMICROELECTRONICS | HC253 DUAL 4 CHANNEL MULTIPLEXER 3 STATE OUTPUT HC153 DUAL 4 CHANNEL MULTIPLEXER | 获取价格 |
|
| M74HC253C1R | STMICROELECTRONICS | HC253 DUAL 4 CHANNEL MULTIPLEXER 3 STATE OUTPUT HC153 DUAL 4 CHANNEL MULTIPLEXER | 获取价格 |
|
| M74HC253F1 | STMICROELECTRONICS | HC/UH SERIES, DUAL 4 LINE TO 1 LINE MULTIPLEXER, TRUE OUTPUT, CDIP16, FRIT SEALED, CERAMIC, DIP-16 | 获取价格 |
|
| M74HC253F1R | STMICROELECTRONICS | HC253 DUAL 4 CHANNEL MULTIPLEXER 3 STATE OUTPUT HC153 DUAL 4 CHANNEL MULTIPLEXER | 获取价格 |
|
| M74HC253M1 | STMICROELECTRONICS | HC/UH SERIES, DUAL 4 LINE TO 1 LINE MULTIPLEXER, TRUE OUTPUT, PDSO16, GULLWING, PLASTIC, DIP-16 | 获取价格 |
|
| M74HC253M1R | STMICROELECTRONICS | HC253 DUAL 4 CHANNEL MULTIPLEXER 3 STATE OUTPUT HC153 DUAL 4 CHANNEL MULTIPLEXER | 获取价格 |
|
| M74HC253RM13TR | STMICROELECTRONICS | DUAL 4 CHANNEL MULTIPLEXER 3 STATE OUTPUT | 获取价格 |
|
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