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Part Name
Description
TA1218F View Datasheet(PDF) - Toshiba
Part Name
Description
View to exact match
TA1218F
Audio/Video Switching IC for TVs
Toshiba
TA1218F Datasheet PDF : 40 Pages
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DC Characteristics
Characteristics
Input pin
Input resistance
Output pin
Output resistance
Measured Pin
Det in
V
in
TV
V
in
V1
V
in
V2
Y/V
in
S1
Y/V
in
S2
C
in
S1
C
in
S2
Y
in
C
in
L
in
TV
R
in
TV
L
in
V1
R
in
V1
L
in
V2
R
in
V2
L
in
S1
R
in
S1
L
in
S2
R
in
S2
Det Select
V
out
1
V
out
2
Y
out
C
out
L
out
TV
R
out
TV
L
out
1
R
out
1
L
out
2
R
out
2
S mode discrimination voltage
C
in
S1
C
in
S2
External mute ON voltage
C
in
Address switching voltage
Address
Symbol
R3
R7
R10
R28
R12
R16
R14
R18
R30
R32
R5
R6
R8
R9
R29
R31
R11
R13
R15
R17
R4
R38
R42
R36
R34
R40
R39
R37
R35
R1
R2
VthC1
VthC2
VthM
VthA
TA1218N/F
Test
Circuit
Min.
10
20
20
20
20
20
20
20
40
40
49
49
49
49
49
49
49
49
49
49
17
13
13
13
13
20
20
20
20
20
20
1.75
1.75
1.75
1.75
Typ.
18
30
30
30
30
30
30
30
60
60
70
70
70
70
70
70
70
70
70
70
35
25
25
25
25
45
45
45
45
45
45
2.25
2.25
2.25
2.25
Max.
30
40
40
40
40
40
40
40
80
80
100
100
100
100
100
100
100
100
100
100
53
50
50
50
50
90
90
90
90
90
90
2.75
2.75
2.75
2.75
Unit
Remark
k
Ω
k
Ω
k
Ω
k
Ω
k
Ω
k
Ω
k
Ω
k
Ω
Measure a change
∆
I
k
Ω
in the current flowing
into each pin when the
k
Ω
voltage is raised by
0.5V. Then calculate
k
Ω
the input resistance
k
Ω
value R.
k
Ω
R
=
0.5 V/
∆
I [
Ω
]
k
Ω
k
Ω
k
Ω
k
Ω
k
Ω
k
Ω
k
Ω
Ω
Ω
Ω
Ω
Measure a voltage
change
∆
V on each
Ω
pin when a current of
100
µ
A flows into the
Ω
pin. Then calculate the
Ω
output resistance
value R.
Ω
R
= ∆
V/100
µ
A [
Ω
]
Ω
Ω
Ω
Voltage on pin 14 (10)
V at which data B31
changes.
Voltage on pin 18 (15)
V at which data B32
changes.
Voltage on pin 32 (30)
V at which voice is
muted.
Voltage on pin 27 (25)
V at which the slave
address changes.
2000-09-11 26/40
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