SN75ALS123N-10 [TI]
LINE DRIVER, PDIP16;型号: | SN75ALS123N-10 |
厂家: | TEXAS INSTRUMENTS |
描述: | LINE DRIVER, PDIP16 驱动 光电二极管 接口集成电路 驱动器 |
文件: | 总5页 (文件大小:70K) |
中文: | 中文翻译 | 下载: | 下载PDF数据表文档文件 |
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SLLS031B − D1332, SEPTEMBER 1987 − REVISED FEBRUARY 1993
D PACKAGE
(TOP VIEW)
• Meets IBM 360 Input Interface
Specifications
• Permits Digital Data Transmission Over
V
1A
1B
1
2
3
4
5
6
7
8
16
15
14
CC
Coaxial Cable, Strip Line, or Twisted Pair
2F
2E
• TTL Compatible With 5-V Supply
1C
13 2D
12 2C
1D
• 3.11-V Output at I
= − 59.3 mA
OH
1E
• Uncommitted Emitter-Follower Output
11
10
9
2B
2A
2Y
1F
Structure for Party-Line Operation
1Y
• IMPACT Low-Power Schottky Technology
GND
• Improved Replacement for the SN75123
and Signetics 8T13
• Glitchless Power-Up/Power-Down
NOT RECOMMENDED FOR NEW DESIGN
Protection
• Short-Circuit Protection
FUNCTION TABLE
• AND-OR Logic Configuration
• High Speed . . . Maximum Propagation
INPUTS
OUTPUT
Delay Time of 14 ns at C = 15 pF
L
A
H
X
B
H
X
C
D
H
X
E
X
H
F
X
H
Y
H
H
L
H
X
description
All other input combinations
The SN75ALS123 dual line driver is specifically
designed to meet the input interface specifications
for the IBM System 360. It is compatible with
standard TTL logic and supply voltage levels. The
low-impedance, emitter-follower outputs drive
terminated lines such as coaxial cable, strip line,
or twisted pair. The uncommitted output allows
wired-OR logic to be performed in party-line
applications. Output short-circuit protection is
provided by an internal clamping network that
turns on when the output voltage drops below
approximately 1.5 V. All inputs are in conventional
TTL configuration. Gating can be used during
power-up and power-down sequences to ensure
that no noise is introduced on the line.
H = high level L = low level
X = irrelevant
†
logic symbol
1
&
≥ 1
1A
2
1B
3
1C
7
1Y
4
1D
5
&
1E
6
1F
10
2A
11
2B
12
2C
9
2Y
The SN75ALS123 employs the IMPACT
process to achieve fast switching speeds, low
power dissipation, and reduced input current
requirements.
13
2D
14
2E
15
2F
†
The SN75ALS123 is characterized for operation
from 0°C to 70°C.
This symbol is in accordance with ANSI/IEEE Std 91-1984 and
IEC Publication 617-12.
logic diagram, each driver (positive logic)
A
B
C
D
Y
E
F
IMPACT is a trademark of Texas Instruments Incorporated.
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Copyright 1993, Texas Instruments Incorporated
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2−1
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
POST OFFICE BOX 1443 • HOUSTON, TEXAS 77001
ꢀꢁ ꢂ ꢃꢄ ꢅ ꢀꢆ ꢇ ꢈ
ꢉ ꢊ ꢄꢅꢋ ꢅ ꢌ ꢁꢍ ꢋꢉ ꢎꢌ ꢏ ꢍꢎ
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SLLS031B − D1332, SEPTEMBER 1987 − REVISED FEBRUARY 1993
schematics of inputs and outputs
EQUIVALENT OF EACH INPUT
TYPICAL OF ALL OUTPUTS
V
CC
V
CC
25 kΩ
17 Ω
Input
GND
Y Output
GND
absolute maximum ratings over operating free-air temperature range (unless otherwise noted)
Supply voltage, V
(see Note 1) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 V
CC
Input voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5.5 V
Output voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 V
Continuous total dissipation at (or below) 25°C free air temperature (see Note 2) . . . . . . . . . . . . . . . 950 mW
Operating free-air temperature range . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0°C to 70°C
Storage temperature range . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . − 65°C to 150°C
Lead temperature 1,6 mm (1/16 inch) from case for 10 seconds . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 260°C
NOTES: 1. All voltage values are with respect to network ground terminal.
2. For operation above 25°C free-air temperature, derate to 608 mW at 70°C at the rate of 7.6 mW/°C.
recommended operating conditions
MIN NOM
MAX
UNIT
V
Supply voltage, V
CC
4.75
2
5
5.25
High-level input voltage, V
IH
V
Low-level input voltage, V
IL
0.8
−100
70
V
High-level output current, I
OH
mA
°C
Operating free-air temperature range, T
0
A
2−2
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
POST OFFICE BOX 1443 • HOUSTON, TEXAS 77001
ꢀꢁꢂ ꢃꢄ ꢅꢀ ꢆꢇ ꢈ
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SLLS031B − D1332, SEPTEMBER 1987 − REVISED FEBRUARY 1993
electrical characteristics over recommended ranges of supply voltage and operating free-air
temperature (unless otherwise noted)
†
PARAMETER
TEST CONDITIONS
I = −12 mA
MIN
MAX
UNIT
V
TYP
V
V
Input clamp voltage
Input breakdown voltage
V
V
V
= 5 V,
= 5 V,
= 5 V,
− 1.5
IK
CC
CC
CC
I
I = 10 mA
I
5.5
2.9
V
(BR)I
V
IH
= 2 V,
I
I
= − 59.3 mA,
= − 59.3 mA,
OH
See Note 3
V
High-level output voltage
V
OH
OL
V
T
A
= 5 V,
= 25°C,
V
= 2 V,
CC
IH
OH
3.11
3.3
See Note 3
V
Low-level output voltage
High-level output current
V
= 0.8 V,
I
= −240 µA,
See Note 3
V = 2 V,
OH
0.15
V
IL
OL
V
T
= 5 V,
= 25°C,
V
= 4.5 V,
CC
IH
I
− 100 − 200 − 250
mA
OH
See Note 3
A
I
I
I
I
I
I
Off-state output current
High-level input current
Low-level input current
V
= 0,
V
O
= 3 V
40
40
µA
µA
O(off)
CC
V = 4.5 V
IH
I
V = 0.4 V
I
− 250
µA
IL
Short-circuit output current
Supply current, outputs high
Supply current, outputs low
V
CC
V
CC
V
CC
= 5 V
− 5
9
− 30
14
mA
mA
mA
OS
= 5.25 V,
= 5.25 V,
All inputs at 2 V,
No load
No load
CCH
CCL
All inputs at 0.8 V,
13
30
NOTE 3: The output voltage and current limits are ensured for any appropriate combination of high and low inputs specified by the function table
for the desired output.
switching characteristics over recommended ranges of supply voltage and operating free-air
temperature
†
PARAMETER
TEST CONDITIONS
MIN TYP
MAX
14
UNIT
ns
t
t
t
t
Propagation delay time, low-to-high-level output
Propagation delay time, high-to-low-level output
Propagation delay time, low-to-high-level output
Propagation delay time, high-to-low-level output
4
5
8
8
PLH
PHL
PLH
PHL
R
R
= 50 Ω,
= 50 Ω,
C
C
= 15 pF,
See Figure 1
L
L
L
L
14
ns
20
ns
= 100 pF, See Figure 1
20
ns
†
All typical values are at V
= 5 V and T = 25°C.
A
CC
PARAMETER MEASUREMENT INFORMATION
3 V
V
CC
≤ 5 ns
≤ 5 ns
3 V
0 V
Input
90%
1.5 V
90%
1.5 V
Pulse
Generator
(see Note A)
10%
10%
Output
t
PLH
R
C
L
t
L
PHL
(see Note B)
V
V
OH
Output
1.5 V
1.5 V
OL
TEST CIRCUIT
VOLTAGE WAVEFORMS
Figure 1. Test Circuit and Voltage Waveforms
NOTES: A. The pulse generator has the following characteristics: Z = 50 Ω, t = 200 ns, duty cycle = 50%.
O
w
B. C includes probe and jig capacitance.
L
2−3
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
POST OFFICE BOX 1443 • HOUSTON, TEXAS 77001
ꢀꢁ ꢂ ꢃꢄ ꢅ ꢀꢆ ꢇ ꢈ
ꢉ ꢊ ꢄꢅꢋ ꢅ ꢌ ꢁꢍ ꢋꢉ ꢎꢌ ꢏ ꢍꢎ
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SLLS031B − D1332, SEPTEMBER 1987 − REVISED FEBRUARY 1993
TYPICAL CHARACTERISTICS
OUTPUT CURRENT
vs
OUTPUT VOLTAGE
− 300
− 250
− 200
− 150
− 100
− 50
V
= 5 V
CC
All inputs at 2 V
T
A
= 25°C
0
0
1
2
3
4
5
V
O
− Output Voltage − V
Figure 2
2−4
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
POST OFFICE BOX 1443 • HOUSTON, TEXAS 77001
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