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參數資料
| 型號： | MC74F3893A |
| 廠商： | Motorola, Inc. |
| 英文描述： | QUAD FUTUREBUS BACKPLANE TRANSCEIVER |
| 中文描述： | 四FUTUREBUS背板收發器 |
| 文件頁數： | 2/5頁 |
| 文件大小： | 46K |
| 代理商： | MC74F3893A |
4-274
FAST AND LS TTL DATA
MC74F3893A
LOGIC DIAGRAM
I/O0
I/O1
I/O2
I/O3
D0
D1
D2
D3
R0
R1
R2
R3
DE
RE
VCC = PIN 1: LOGIC GND = PIN 6
BUS GND = PIN 13,16, 19: BG GND = PIN 20
2
3
4
5
7
8
9
10
11
14
15
12
17
18
FUNCTION TABLE
Inputs
Input/Output
Outputs
Operating Mode
DE
RE
Dn
L
H
I/On
H
L
Rn
L
H
H
H
L
L
Transmit to Bus
H
L
H
H
L
H
Dn
H
Z
Z
Receiver 3-State,
Transmit to Bus
L
L
L
L
X
X
H
L
L
H
Receive, I/On = Inputs
H = HIGH voltage level:
L = LOW voltage level:
X = Don’t care:
Z = HIGH impedance “Off” state.
RECOMMENDED OPERATING CONDITIONS
Limits
Symbol
Parameter
Min
Typ
Max
Unit
VCC
VIH
VIL
IIK
VTH
IOH
IOL
TA
Supply Voltage
4.5
5.0
5.5
V
High-Level Input Voltage
Dn, DE, RE
2.0
—
—
V
Low-Level Input Voltage
—
—
0.8
V
Input Clamp Current
—
—
–18
mA
Bus Input Threshold
I/On Only
Rn Only
1.475
1.550
1.625
V
Output Current
High
—
—
–3.0
mA
Output Current
Low
—
—
100
mA
Operating Ambient Temperature Range
0
—
70
°
C
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相關代理商/技術參數 |
參數描述 |
|---|---|
| MC74F3893AFN | 制造商:Rochester Electronics LLC 功能描述:- Bulk 制造商:ON Semiconductor 功能描述: |
| MC74F38D | 制造商:Motorola Inc 功能描述: |
| MC74F38ML1 | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
| MC74F38MR1 | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
| MC74F38N | 制造商:Motorola Inc 功能描述: |
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