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HD29468のメーカーはETCです、この部品の機能は「Triple Line Drivers / Receivers」です。 |
部品番号 | HD29468 |
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部品説明 | Triple Line Drivers / Receivers | ||
メーカ | ETC | ||
ロゴ | |||
このページの下部にプレビューとHD29468ダウンロード(pdfファイル)リンクがあります。 Total 7 pages
HD29468
Triple Line Drivers / Receivers
The HD29468 features line drivers and receivers
for unbalanced transmissions, which meet the specs
of IBM 360 and 370. This device has three drivers
and receivers in one package. Input of driver and
output of receiver are compatible with low power
schottky TTL circuit and operates from a single 5
V power supply. The driver has two types of
enable inputs. Sprius noise can be prevented by
grounding either input when power supply is throw
or cut off. The outputs are protected from short
circuit and the wired logic is available due to
emitter follower from for party
line data bus applications. The device operates at
high speed. Low to high level and high to low level
propagation delay times defference are 10 ns max.
Pin Arrangement
DE1 1
RI1 2
RO1 3
RI2 4
RO2 5
RI3 6
RO3 7
GND 8
Function Table
Driver
Input
DI DE1 DE2
LX X
XL
X
XX
L
HH
H
Output
DO
L
L
L
H
(Top View)
Receiver
Input
RI
Output
RO
L
H
H : High level
L : Low level
X : Immaterial
H
L
16 VCC
15 DO1
14 DI1
13 DO2
12 DI2
11 DO3
10 DI3
9 DE2
1 Page HD29468
Electrical Characteristics
Driver (VCC = 5.0 V ±5 %, Ta = 0 to +75°C)
Item
High Level Input Voltage
Low Level Input Voltage
Input Clamp Voltage
High Level Output Voltage
Symbol Conditions
VIH
VIL
VIK VCC = 4.75 V, IIN = –18 mA
VOH VCC = 4.75 V, VIH = 2.0 V
IOH = –59.3 mA (Ta = 25 °C)
VCC = 5.25 V, VIH = 2.0 V
IOH = –78.1 mA
Min
2.0
3.11
Low Level Output Voltage
VOL
High Level Input Current
DI IIH
DE
Low Level Input Current
DI IIL
DE
High Level Output Current
IOH
Short Circuit Output Current IOS
VCC = 5.25 V, VIL = 0.8 V
IOL = –0.24 mA, VIH = 4.5 V
VCC = 5.25 V, VIH = 2.7 V
VCC = 5.25 V, VIL = 0.4 V
VCC=4.75 V, VIL = 0 V, VOH = 5.0 V
VCC = 4.75 V, VIH = 4.5 V, VOH = 5.0 V
VCC = 5.25 V, VIH = 4.5 V
HD29468
Max
0.8
–1.5
Unit
V
V
V
V
4.1
0.15 V
20
60
–400
µA
µA
–1200
100 µA
100
–30 mA
Receiver (Ta = 0 to +75 °C)
Item
High Level Output
Threshold Voltage
Low Level Output
Threshold Voltage
High Level Output Voltage
Low Level Output Voltage
Input Resistance
High Level Input Current
Low Level Input Current
Short Circuit Output Current
Symbol Conditions
VOTH
VCC = 4.75 V, VIL = 1.15 V
IOH = –400 µA
VOTL
VCC = 5.25 V, VIH = 1.55 V
IOL = 8 mA
VOH
VOL
RIN
IIH
IIL
IOS
VCC = 4.75 V, VIN : Open
IOH = –400 µA
VCC = 4.75 V
VIH = 1.55 V
IOL = 8 mA
IOL = 4 mA
VCC = 0 V
VCC = 4.75 V, VIH = 3.11 V
VCC = 5.25 V, VIL = 0.15 V
VCC = 5.25 V, VIL = 0 V
Min Max Unit
2.7 V
0.5 V
2.7 V
7.4
0.04
–20
0.5 V
0.4
20
0.42
–0.24
–100
kΩ
mA
mA
mA
3
3Pages HD29468
Driver
Test Circuit
Input
Pulse Generator
ZOUT = 50 Ω
50 Ω
HD29468
VCC
Output
VCC = +5.0 V
RL = 2 kW
CL = 15 pF 1S2074 H
Note: 1. CL includes probe and jig capacitance.
Waveforms
tr
Input
Output
10 %
90 %
1.4 V
tPHL
1.3 V
tf
90 %
1.4 V
10 %
tPLH
1.3 V
Notes: 1. tr = tf = 10 ns
2. Input waveforms : PRR = 1 MH Z, duty cycle 50 %
3V
0V
VOH
VOL
6
6 Page | |||
ページ | 合計 : 7 ページ | ||
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PDF ダウンロード | [ HD29468 データシート.PDF ] |
データシートを活用すると、その部品の主な機能と仕様を詳しく理解できます。 ピン構成、電気的特性、動作パラメータ、性能を確認してください。 |
部品番号 | 部品説明 | メーカ |
HD29468 | Triple Line Drivers / Receivers | ETC |