ꢀ ꢁꢂ ꢃ ꢄꢅ ꢃ
ꢃ ꢆꢇ ꢈ ꢉ ꢊ ꢋꢊ ꢆꢇ ꢀ ꢌꢍꢈ ꢎꢏꢐ ꢁꢑꢑꢒ ꢍ ꢓꢔ ꢆꢄꢃ ꢄ ꢍ ꢎꢑꢒ ꢕꢓꢎ ꢇꢒ ꢓꢖꢓꢒ ꢏꢒ ꢎ ꢇ ꢒꢓ
ꢗ ꢎꢈ ꢐ ꢘ ꢊ ꢆꢙ ꢇ ꢒꢔ ꢕ ꢚꢐꢛꢀ ꢜ ꢝꢓ ꢉ ꢈꢒ ꢏꢈ ꢎꢉ ꢑ
ꢞ
SLLS350L − APRIL 1999 − REVISED MARCH 2004
EACH RECEIVER
INPUTS
OUTPUTS
ROUT2B ROUT
RIN1,
RIN3−RIN5
VALID RIN
RS-232 LEVEL
RECEIVER STATUS
RIN2
FORCEOFF
L
H
X
X
L
L
X
L
H
L
Z
Z
H
L
Powered off while
ROUT2B is active
X
L
L
H
H
H
H
H
Yes
Yes
Yes
Yes
No
L
H
L
Normal operation with
auto-powerdown
disabled/enabled
H
L
H
H
L
H
L
H
H
Open
Open
H
H = high level, L = low level, X = irrelevant, Z = high impedance (off), Open = input disconnected or connected
driver off
logic diagram (positive logic)
14
13
12
9
10
11
DIN1
DOUT1
DOUT2
DOUT3
DIN2
DIN3
22
23
FORCEOFF
FORCEON
21
Auto-powerdown
INVALID
19
20
4
ROUT1
RIN1
RIN2
5 k
Ω
ROUT2B
18
17
16
15
5
ROUT2
5 k
Ω
6
ROUT3
ROUT4
ROUT5
RIN3
RIN4
RIN5
5 k
Ω
7
5 k
Ω
8
5 k
Ω
3
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