參數(shù)資料
型號(hào): PDI1284P11
廠商: NXP Semiconductors N.V.
英文描述: 3.3V Parallel interface transceiver/buffer
中文描述: 3.3并行接口收發(fā)器/緩沖器
文件頁數(shù): 4/12頁
文件大?。?/td> 140K
代理商: PDI1284P11
Philips Semiconductors
Product specification
PDI1284P11
3.3V Parallel interface transceiver/buffer
1999 Sep 17
4
LOGIC SYMBOL
HD
HD
HD
HD
HD
HD
HD
HD
HD
HD
HD
HD
HD
HD
HD
DIR
OEA
PERIPHERAL
SIDE
CABLE
SIDE
A9
A10
A11
A12
A13
A1
A2
A3
A4
A5
A6
A7
A8
PLHI
A14
A15
A16
A17
HLHO
Y9
Y10
Y11
Y12
Y13
B1
B2
B3
B4
B5
B6
B7
B8
PLHO
C14
C15
C16
C17
HLHI
SV00136
CNTL
CNTL
CNTL
CNTL
CNTL
CNTL
CNTL
CNTL
CNTL
HD
PINS WITH PULL UP RESISTORS TO LOAD CABLE
PINS
SYMBOL
FUNCTION
47, 46, 45, 44, 43
Y9 – Y13
Output cable drivers
41, 40, 38, 37, 36,
35, 33, 32
B1 – B8
Output cable drivers
29, 28, 27, 26
C14 – C17
External cables control signal
input
FUNCTION TABLE
DIR
OEA
HD
INPUTS
OUTPUTS
OUTPUT
TYPES
t
P
t
P
r
P
t
P
O.C.
X
X
X
C14-17
A14-17
X
X
X
HLHI
HLHO
X
X
L
A9-13
Y9-13
X
X
H
A9-13
Y9-13
X
X
L
PLHI
PLHO
X
X
H
PLHI
PLHO
t
P
r
P
t
P
t
P
Z*
H
X
L
A1-8
B1-8
H
X
H
A1-8
B1-8
L
L
X
B1-8
A1-8
L
H
X
A1-8
L
H
X
B1-8
r
P*
A
B
C
Y
X
Z
O.C.= Open collector
t
P
= Totem pole output
r
P
= Resistive pull up: 1.4k
(nominal) on B/Y/C cable side and
V
CC
. However, while a B/Y side output is Low as driven by a
Low signal on the A side, that particular B/Y side resistor is
switched out to stop current drain from V
through it.
*
When DIR = L and OEA = H, the output signal is isolated
from the input signal. B1 – 8 signals maintain an r
P
= 1.4k
on the input for this mode.
= Side driving internal IC
= Side driving external cable (bidirectional)
= Side receiving control signals from internal cable
= Side driving external cable (unidirectional)
= Don’t care – control signals in
= High Z or 3-State
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