SN74LS126AD [ONSEMI]
LOW POWER SCHOTTKY; 小功率肖特基
| 型号： | SN74LS126AD |
| 厂家： | 
ONSEMI |
| 描述： | LOW POWER SCHOTTKY |
| 文件： | 总4页 (文件大小：103K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
V
E
D
O
E
D
9
O
8
CC
14
13
12
11
10
http://onsemi.com
LOW
POWER
SCHOTTKY
1
2
3
4
5
6
7
E
D
O
E
D
O
GND
LS125A
V
E
D
O
E
D
9
O
8
CC
14
13
12
11
10
14
1
PLASTIC
N SUFFIX
CASE 646
1
2
3
4
5
6
7
E
D
O
E
D
O
GND
LS126A
14
TRUTH TABLES
1
LS125A
LS126A
SOIC
INPUTS
INPUTS
D SUFFIX
CASE 751A
E
D
OUTPUT
E
D
OUTPUT
L
L
H
L
H
X
L
H
(Z)
H
H
L
L
H
X
L
H
(Z)
L = LOW Voltage Level
H = HIGH Voltage Level
X = Don’t Care
ORDERING INFORMATION
(Z) = High Impedance (off)
Device
Package
14 Pin DIP
14 Pin
Shipping
GUARANTEED OPERATING RANGES
SN74LS125AN
SN74LS125AD
SN74LS126AN
SN74LS126AD
2000 Units/Box
2500/Tape & Reel
2000 Units/Box
Symbol
Parameter
Supply Voltage
Min
4.75
0
Typ
5.0
25
Max
5.25
70
Unit
V
V
CC
14 Pin DIP
14 Pin
T
A
Operating Ambient
Temperature Range
°C
2500/Tape & Reel
I
Output Current – High
Output Current – Low
–2.6
24
mA
mA
OH
I
OL
Semiconductor Components Industries, LLC, 1999
1
Publication Order Number:
December, 1999 – Rev. 6
SN74LS125A/D
SN74LS125A SN74LS126A
DC CHARACTERISTICS OVER OPERATING TEMPERATURE RANGE (unless otherwise specified)
Limits
Min
Typ
Max
Symbol
Parameter
Input HIGH Voltage
Unit
Test Conditions
Guaranteed Input HIGH Voltage for
All Inputs
V
IH
2.0
V
0.8
Guaranteed Input LOW Voltage for
All Inputs
V
V
V
Input LOW Voltage
V
IL
Input Clamp Diode Voltage
Output HIGH Voltage
–0.65
–1.5
V
V
V
V
= MIN, I = –18 mA
IN
IK
CC
2.4
= MIN, I = MAX, V = V
OH IN IH
CC
OH
or V per Truth Table
IL
V
V
= V MIN,
CC
0.25
0.35
0.4
0.5
V
V
I
I
= 12 mA
= 24 mA
CC
OL
= V or V
IH
V
OL
Output LOW Voltage
IN
IL
per Truth Table
OL
I
I
Output Off Current HIGH
Output Off Current LOW
20
–20
20
µA
µA
V
V
V
V
V
V
= MAX, V
= MAX, V
= 2.4 V
= 0.4 V
OZH
CC
CC
CC
CC
CC
CC
OUT
OUT
OZL
µA
= MAX, V = 2.7 V
IN
I
IH
Input HIGH Current
0.1
mA
mA
mA
= MAX, V = 7.0 V
IN
I
I
Input LOW Current
–0.4
–225
20
= MAX, V = 0.4 V
IL
IN
Short Circuit Current (Note 1)
–40
= MAX
OS
LS125A
LS126A
V
V
= 0 V, V = 4.5 V
E
IN
I
Power Supply Current
mA
V
CC
= MAX
CC
22
= 0 V, V = 0 V
E
IN
Note 1: Not more than one output should be shorted at a time, nor for more than 1 second.
AC CHARACTERISTICS (T = 25°C)
A
Limits
Min
Typ
9.0
9.0
7.0
8.0
12
Max
15
15
18
18
20
25
25
35
20
25
20
25
Symbol
Parameter
Unit
Test Conditions
t
t
t
t
LS125A
LS126A
LS125A
LS126A
LS125A
LS126A
LS125A
LS126A
LS125A
LS126A
LS125A
LS126A
PLH
PLH
PHL
PHL
Propagation Delay,
Data to Output
ns
Figure 2
V
CC
= 5.0 V
C = 45 pF
L
R = 667 Ω
Output Enable Time
to HIGH Level
L
t
t
t
t
ns
ns
ns
ns
Figures 4, 5
Figures 3, 5
Figures 4, 5
FIgures 3, 5
PZH
PZL
PHZ
PLZ
16
15
Output Enable Time
to LOW Level
21
Output Disable Time
from HIGH Level
V
CC
= 5.0 V
C = 5.0 pF
L
R = 667 Ω
L
Output Disable Time
from LOW Level
http://onsemi.com
2
SN74LS125A SN74LS126A
V
IN
V
IN
1.3 V
1.3 V
t
1.3 V
1.3 V
t
t
t
PHL
PLH
PLH
PHL
V
OUT
1.3 V
1.3 V
1.3 V
1.3 V
V
OUT
Figure 1.
Figure 2.
V
V
V
V
E
E
1.3 V
1.3 V
1.3 V
t
1.3 V
E
E
t
t
PLZ
t
PZL
PHZ
PZH
> VOH
≈ 1.3 V
0.5 V
V
OUT
≈ 1.3 V
1.3 V
1.3 V
V
OUT
V
OL
0.5 V
Figure 3.
Figure 4.
V
CC
R
L
SW1
TO OUTPUT
UNDER TEST
5 kΩ
SW2
C
L
Figure 5.
SWITCH POSITIONS
SYMBOL
SW1
Open
SW2
t
t
t
t
Closed
Open
PZH
Closed
Closed
Closed
PZL
PLZ
PHZ
Closed
Closed
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3
SN74LS125A SN74LS126A
PACKAGE DIMENSIONS
N SUFFIX
PLASTIC PACKAGE
CASE 646–06
NOTES:
1. DIMENSIONING AND TOLERANCING PER ANSI
Y14.5M, 1982.
2. CONTROLLING DIMENSION: INCH.
3. DIMENSION L TO CENTER OF LEADS WHEN
FORMED PARALLEL.
14
1
8
7
B
ISSUE M
4. DIMENSION B DOES NOT INCLUDE MOLD FLASH.
5. ROUNDED CORNERS OPTIONAL.
A
F
INCHES
DIM MIN MAX
0.770 18.16
MILLIMETERS
MIN
MAX
18.80
6.60
4.69
0.53
1.78
A
B
C
D
F
0.715
0.240
0.145
0.015
0.040
0.260
0.185
0.021
0.070
6.10
3.69
0.38
1.02
L
N
C
G
H
J
K
L
0.100 BSC
2.54 BSC
–T–
SEATING
PLANE
0.052
0.008
0.115
0.290
–––
0.095
0.015
0.135
0.310
10
1.32
0.20
2.92
7.37
–––
2.41
0.38
3.43
7.87
10
K
J
D 14 PL
H
G
M
N
0.015
0.039
0.38
1.01
M
M
0.13 (0.005)
NOTES:
D SUFFIX
1. DIMENSIONING AND TOLERANCING PER ANSI
Y14.5M, 1982.
2. CONTROLLING DIMENSION: MILLIMETER.
3. DIMENSIONS A AND B DO NOT INCLUDE
MOLD PROTRUSION.
PLASTIC SOIC PACKAGE
CASE 751A–03
ISSUE F
–A–
4. MAXIMUM MOLD PROTRUSION 0.15 (0.006)
PER SIDE.
14
1
8
7
5. DIMENSION D DOES NOT INCLUDE DAMBAR
PROTRUSION. ALLOWABLE DAMBAR
PROTRUSION SHALL BE 0.127 (0.005) TOTAL
IN EXCESS OF THE D DIMENSION AT
MAXIMUM MATERIAL CONDITION.
–B–
P 7 PL
M
M
0.25 (0.010)
B
MILLIMETERS
DIM MIN MAX
INCHES
MIN
MAX
0.344
0.157
0.068
0.019
0.049
G
A
B
C
D
F
8.55
3.80
1.35
0.35
0.40
8.75 0.337
4.00 0.150
1.75 0.054
0.49 0.014
1.25 0.016
F
R X 45
C
–T–
SEATING
PLANE
G
J
K
M
P
1.27 BSC
0.050 BSC
J
0.19
0.10
0
0.25 0.008
0.25 0.004
0.009
0.009
7
M
K
D 14 PL
7
0
M
S
S
0.25 (0.010)
T B
A
5.80
0.25
6.20 0.228
0.50 0.010
0.244
0.019
R
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SN74LS125A/D
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