SN54ALS151 [TI]
1-OF-8 DATA SELECTORS/MULTIPLEXERS; 1 - OF- 8数据选择器/多路复用器
| 型号： | SN54ALS151 |
| 厂家： | 
TEXAS INSTRUMENTS |
| 描述： | 1-OF-8 DATA SELECTORS/MULTIPLEXERS |
| 文件： | 总6页 (文件大小：112K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
SN54ALS151, SN74ALS151, SN74AS151
1-OF-8 DATA SELECTORS/MULTIPLEXERS
SDAS205A – APRIL 1982 – REVISED DECEMBER 1994
SN54ALS151 . . . J PACKAGE
SN74ALS151, SN74AS151 . . . D OR N PACKAGE
(TOP VIEW)
• 8-Line to 1-Line Multiplexers Can Perform
as:
Boolean Function Generators
Parallel-to-Serial Converters
Data Source Selectors
D3
D2
D1
D0
Y
V
CC
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
D4
D5
D6
D7
A
• Input Clamping Diodes Simplify System
Design
• Package Options Include Plastic
Small-Outline (D) Packages, Ceramic Chip
Carriers (FK), and Standard Plastic (N) and
Ceramic (J) 300-mil DIPs
W
G
B
GND
C
description
SN54ALS151 . . . FK PACKAGE
(TOP VIEW)
These data selectors/multiplexers provide full
binary decoding to select one-of-eight data
sources. The strobe (G) input must be at a low
logic level to enable the inputs. A high level at the
strobe terminal forces the W output high and the
Y output low.
3
2
1
20 19
18 D5
D1
D0
NC
Y
4
5
6
7
8
17
16
15
14
D6
NC
D7
A
The SN54ALS151 is characterized for operation
over the full military temperature range of –55°C
to 125°C. The SN74ALS151 and SN74AS151 are
characterized for operation from 0°C to 70°C.
W
9 10 11 12 13
NC – No internal connection
FUNCTION TABLE
INPUTS
SELECT
OUTPUTS
STROBE
G
C
X
L
B
X
L
A
X
L
Y
W
H
H
L
L
L
L
L
L
L
L
L
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
H = high level, L = low level, X = irrelevant
D0, D1, . . . D7 = the level of the respective D input
Copyright 1994, Texas Instruments Incorporated
PRODUCTION DATA information is current as of publication date.
Products conform to specifications per the terms of Texas Instruments
standard warranty. Production processing does not necessarily include
testing of all parameters.
1
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
SN54ALS151, SN74ALS151, SN74AS151
1-OF-8 DATA SELECTORS/MULTIPLEXERS
SDAS205A – APRIL 1982 – REVISED DECEMBER 1994
†
logic symbol
MUX
0
7
EN
0
G
A
11
10
9
B
G
7
C
2
0
1
2
3
4
5
6
7
4
D0
D1
D2
D3
D4
D5
D6
D7
5
6
3
Y
2
W
1
15
14
13
12
†
This symbol is in accordance with ANSI/IEEE Std 91-1984 and IEC Publication 617-12.
Pin numbers shown are for the D, J, and N packages.
logic diagram (positive logic)
7
G
4
D0
3
D1
2
D2
1
D3
Data
Inputs
5
6
Y
15
D4
W
14
D5
13
D6
12
D7
11
A
Data
10
Select
(binary)
B
9
C
Pin numbers shown are for the D, J, and N packages.
2
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
SN54ALS151, SN74ALS151, SN74AS151
1-OF-8 DATA SELECTORS/MULTIPLEXERS
SDAS205A – APRIL 1982 – REVISED DECEMBER 1994
†
absolute maximum ratings over operating free-air temperature range (unless otherwise noted)
Supply voltage, V
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 V
CC
Input voltage, V . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 V
I
Operating free-air temperature range, T : SN54ALS151 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –55°C to 125°C
A
SN74ALS151 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0°C to 70°C
Storage temperature range . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –65°C to 150°C
†
Stresses beyond those listed under “absolute maximum ratings” may cause permanent damage to the device. These are stress ratings only, and
functional operation of the device at these or any other conditions beyond those indicated under “recommended operating conditions” is not
implied. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability.
recommended operating conditions
SN54ALS151
MIN NOM MAX
SN74ALS151
MIN NOM MAX
UNIT
V
V
V
Supply voltage
4.5
2
5
5.5
4.5
2
5
5.5
V
V
CC
High-level input voltage
Low-level input voltage
High-level output current
Low-level output current
Operating free-air temperature
IH
0.7
–1
0.8
–2.6
24
V
IL
I
I
mA
mA
°C
OH
12
OL
T
A
–55
125
0
70
electrical characteristics over recommended operating free-air temperature range (unless
otherwise noted)
SN54ALS151
SN74ALS151
PARAMETER
TEST CONDITIONS
UNIT
‡
‡
MIN TYP
MAX
MIN TYP
MAX
V
V
V
= 4.5 V,
I = –18 mA
–1.5
–1.5
V
IK
CC
I
= 4.5 V to 5.5 V,
I
I
I
I
I
= –0.4 mA
= –1 mA
= –2.6 mA
= 12 mA
V
–2
CC
2.4
V
–2
CC
OH
OH
OH
OL
OL
CC
V
OH
3.3
V
V
= 4.5 V
= 4.5 V
CC
CC
2.4
3.2
0.25
0.35
0.25
0.4
0.4
0.5
V
OL
V
V
= 24 mA
I
I
I
I
I
V
CC
V
CC
V
CC
V
CC
V
CC
= 5.5 V,
= 5.5 V,
= 5.5 V,
= 5.5 V,
= 5.5 V,
V = 7 V
0.1
20
0.1
mA
µA
I
I
V = 2.7 V
I
20
IH
IL
V = 0.4 V
I
–0.1
–112
12
–0.1
–112
12
mA
mA
mA
§
V
O
= 2.25 V
–20
–30
O
Inputs at 4.5 V
7.5
7.5
CC
‡
§
All typical values are at V
= 5 V, T = 25°C.
A
CC
The output conditions have been chosen to produce a current that closely approximates one half of the true short-circuit output current, I
.
OS
3
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
SN54ALS151, SN74ALS151, SN74AS151
1-OF-8 DATA SELECTORS/MULTIPLEXERS
SDAS205A – APRIL 1982 – REVISED DECEMBER 1994
switching characteristics (see Figure 1)
V
C
R
= 4.5 V to 5.5 V,
= 50 pF,
CC
L
L
= 500 Ω,
FROM
TO
(OUTPUT)
†
PARAMETER
(INPUT)
UNIT
T
A
= MIN to MAX
SN54ALS151 SN74ALS151
MIN
4
MAX
21
35
36
26
14
21
23
20
21
25
27
26
MIN
4
MAX
18
24
24
23
10
15
15
15
18
19
19
23
t
t
t
t
t
t
t
t
t
t
t
t
PLH
PHL
PLH
PHL
PLH
PHL
PLH
PHL
PLH
PHL
PLH
PHL
A, B, or C
A, B, or C
Y
W
Y
ns
ns
ns
ns
ns
ns
7
8
5
7
7
7
3
3
Any D
Any D
G
5
5
3
3
W
Y
4
4
4
4
4
4
5
5
W
G
5
5
†
For conditions shown as MIN or MAX, use the appropriate value specified under recommended operating conditions.
‡
absolute maximum ratings over operating free-air temperature range (unless otherwise noted)
Supply voltage, V
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 V
CC
Input voltage, V . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 V
I
Operating free-air temperature range, T : SN74AS151 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0°C to 70°C
A
Storage temperature range . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –65°C to 150°C
‡
Stresses beyond those listed under “absolute maximum ratings” may cause permanent damage to the device. These are stress ratings only, and
functional operation of the device at these or any other conditions beyond those indicated under “recommended operating conditions” is not
implied. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability.
recommended operating conditions
SN74AS151
MIN NOM
UNIT
MAX
V
V
V
Supply voltage
4.5
2
5
5.5
V
V
CC
High-level input voltage
Low-level input voltage
High-level output current
Low-level output current
Operating free-air temperature
IH
0.8
–15
48
V
IL
I
I
mA
mA
°C
OH
OL
T
A
0
70
4
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
SN54ALS151, SN74ALS151, SN74AS151
1-OF-8 DATA SELECTORS/MULTIPLEXERS
SDAS205A – APRIL 1982 – REVISED DECEMBER 1994
electrical characteristics over recommended operating free-air temperature range (unless
otherwise noted)
SN74AS151
PARAMETER
TEST CONDITIONS
UNIT
V
†
MIN TYP
MAX
V
V
V
V
V
V
V
= 4.5 V,
I = –18 mA
I
–1.2
IK
CC
CC
CC
CC
= 4.5 V to 5.5 V,
= 4.5 V,
I
I
I
= –2 mA
= –15 mA
= 48 mA
V
–2
OH
OH
OL
CC
2.4
V
OH
OL
3.2
= 4.5 V,
0.35
0.5
0.2
V
A, B, or C
All others
A, B, or C
All others
A, B, or C
All others
I
I
I
V
CC
V
CC
V
CC
= 5.5 V,
= 5.5 V,
= 5.5 V,
V = 7 V
I
mA
I
0.1
40
V = 2.7 V
I
µA
IH
IL
20
–1
V = 0.4 V
I
mA
–0.5
–112
30
‡
I
I
V
V
= 5.5 V,
= 5.5 V
V = 2.25 V
O
–30
mA
mA
O
CC
18.6
CC
CC
†
‡
All typical values are at V
= 5 V, T = 25°C.
A
CC
The output conditions have been chosen to produce a current that closely approximates one half of the true short-circuit output current, I
.
OS
switching characteristics (see Figure 1)
V
C
R
= 4.5 V to 5.5 V,
= 50 pF,
CC
L
L
= 500 Ω,
FROM
TO
(OUTPUT)
§
PARAMETER
(INPUT)
UNIT
T
A
= MIN to MAX
SN74AS151
MIN
4.5
4.5
4
MAX
14.5
15
t
t
t
t
t
t
t
t
t
t
t
t
PLH
PHL
PLH
PHL
PLH
PHL
PLH
PHL
PLH
PHL
PLH
PHL
A, B, or C
A, B, or C
Y
W
Y
ns
ns
ns
ns
ns
ns
12
4
12
3
10.5
11
Any D
Any D
G
3
2
6.5
4.5
14
W
Y
1
4.5
3
11
1.5
3
6
W
G
10
§
For conditions shown as MIN or MAX, use the appropriate value specified under recommended operating conditions.
5
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
SN54ALS151, SN74ALS151, SN74AS151
1-OF-8 DATA SELECTORS/MULTIPLEXERS
SDAS205A – APRIL 1982 – REVISED DECEMBER 1994
PARAMETER MEASUREMENT INFORMATION
SERIES 54ALS/74ALS AND 54AS/74AS DEVICES
7 V
R
= R1 = R2
V
CC
L
S1
R1
R
L
Test
Point
From Output
Under Test
From Output
Under Test
Test
Point
Test
Point
From Output
Under Test
C
C
L
R
L
R2
L
C
L
(see Note A)
(see Note A)
(see Note A)
LOAD CIRCUIT FOR
BI-STATE
TOTEM-POLE OUTPUTS
LOAD CIRCUIT
FOR OPEN-COLLECTOR OUTPUTS
LOAD CIRCUIT
FOR 3-STATE OUTPUTS
3.5 V
3.5 V
Timing
Input
High-Level
1.3 V
1.3 V
1.3 V
Pulse
0.3 V
0.3 V
t
h
t
w
t
su
3.5 V
3.5 V
0.3 V
Data
Input
Low-Level
1.3 V
1.3 V
1.3 V
1.3 V
Pulse
0.3 V
VOLTAGE WAVEFORMS
SETUP AND HOLD TIMES
VOLTAGE WAVEFORMS
PULSE DURATIONS
3.5 V
0.3 V
Output
Control
(low-level
enabling)
1.3 V
1.3 V
3.5 V
t
PZL
Input
1.3 V
1.3 V
t
PLZ
0.3 V
PHL
3.5 V
t
Waveform 1
S1 Closed
(see Note B)
t
PLH
1.3 V
V
OH
In-Phase
Output
1.3 V
1.3 V
1.3 V
V
OL
0.3 V
V
OL
t
PHZ
t
PLH
t
PZH
t
PHL
V
OH
V
Waveform 2
S1 Open
(see Note B)
OH
OL
Out-of-Phase
Output
(see Note C)
1.3 V
1.3 V
0.3 V
V
0 V
VOLTAGE WAVEFORMS
PROPAGATION DELAY TIMES
VOLTAGE WAVEFORMS
ENABLE AND DISABLE TIMES, 3-STATE OUTPUTS
NOTES: A.
C includes probe and jig capacitance.
L
B. Waveform 1 is for an output with internal conditions such that the output is low except when disabled by the output control.
Waveform 2 is for an output with internal conditions such that the output is high except when disabled by the output control.
C. When measuring propagation delay items of 3-state outputs, switch S1 is open.
D. All input pulses have the following characteristics: PRR ≤ 1 MHz, t = t = 2 ns, duty cycle = 50%.
r
f
E. The outputs are measured one at a time with one transition per measurement.
Figure 1. Load Circuits and Voltage Waveforms
6
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
相关型号：
SN54ALS151FH
IC IC,LOGIC MUX,SINGLE,8-INPUT,ALS-TTL,LLCC,20PIN,CERAMIC, Multiplexer/Demultiplexer
TI
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