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74F3893 Datasheet(PDF) 3 Page - NXP Semiconductors

Part # 74F3893
Description  Quad futurebus backplane transceiver
PDF  10 Pages
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Manufacturer  PHILIPS [NXP Semiconductors]
Direct Link  http://www.nxp.com
Logo PHILIPS - NXP Semiconductors

74F3893 Datasheet(HTML) 3 Page - NXP Semiconductors

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Philips Semiconductors
Product specification
74F3893
Quad Futurebus backplane transceiver
January 18, 1991
3
PIN CONFIGURATION
32
1
20
19
18
17
16
15
14
8
7
6
5
13
12
11
10
9
4
PLCC
D1
R1
LOGIC GND
D2
R2
VCC
BG
GND
D0
R0
RE
DE
R3
D3
I/O0
I/O1
BUS GND
I/O2
I/O3
BUS
GND
BUS
GND
SF00573
LOGIC SYMBOL
DE
RE
2
4
7
9
D0 D1 D2 D3
I/O0 I/O1 1/O2 I/O3
R0 R1 R2 R3
VCC = Pin 1,
LOGIC GND = Pin 8
BUS GND = Pin 13, 16, 19
BG GND = Pin 20
18
17
15
14
3
5
8
10
11
12
SF00574
IEC/IEEE SYMBOL
2
1D
3
18
5
17
7
15
9
14
2
4
7
9
11
12
EN1
EN2
SF00575
FUNCTION TABLE
INPUTS
INPUT/
OUT-
PUT
OUT-
PUT
OPERATING
DE
RE
Dn
I/On
Rn
MODE
H
L
L
H
L
Transmit to bus
H
L
H
L
H
H
H
Dn
Dn
Z
Receiver 3–state,
L
H
X
H
Z
transmit to bus
L
L
X
H
L
Receive, I/On = inputs
L
L
X
L
H
Notes to function table
1. H = High voltage level
2. L
= Low voltage level
3. X = Don’t care
4. Z = High impedance ”off” state
LOGIC DIAGRAM
VCC = Pin 1
LOGIC GND = Pin 6
BUS GND = Pin 13, 16, 19
BG GND = Pin 20
2
3
5
8
10
18
12
14
D0
R0
R1
R2
R3
I/O0
RE
I/O3
SF00576
D1
4
7
9
11
D2
D3
DE
I/O2
15
I/O1
17



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