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Toshiba Electronic Components Datasheet

TA1218F Datasheet

Audio/Video Switching IC

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TA1218F pdf
TOSHIBA Bipolar Linear Integrated Circuit Silicon Monolithic
TA1218N, TA1218F
Audio/Video Switching IC for TVs
TA1218N/F
The TA1218N/F is an audio/video switching IC for TV sets.
Conforming to I2C bus standards, it allows you to perform
various switching operations through the bus lines by using a
microcomputer. Thanks to its 2-channel outputs, the TA1218N/F
can also be used for the PIP systems. Furthermore, since the
presence of a signal on its sync signal output pin can be
determined by a microcomputer, it is possible to check each
input/output channel (self-diagnosis).
This IC has the same pin assignments as the TA1219AN
(SDIP36), a 1-channel output version of the TA1218N/F, so
these chips are pin compatible on pins 3 to 20 and 23 to 40.
Features
I2C bus control
Video : 5-channel inputs and 2-channel outputs
(2 channels conforming to S system)
Audio : 5-channel inputs and 3-channel outputs
Self-diagnostic function
ADC inputs based on European 21-pin standards
Switchable subaddress
TA1218N
TA1218F
Weight
SDIP42-P-600-1.78 : 4.13 g (typ.)
QFP48-P-1014-0.80: 0.83 g (typ.)
000707EBA1
TOSHIBA is continually working to improve the quality and reliability of its products. Nevertheless, semiconductor devices in general
can malfunction or fail due to their inherent electrical sensitivity and vulnerability to physical stress. It is the responsibility of the
buyer, when utilizing TOSHIBA products, to comply with the standards of safety in making a safe design for the entire system, and
to avoid situations in which a malfunction or failure of such TOSHIBA products could cause loss of human life, bodily injury or
damage to property.
In developing your designs, please ensure that TOSHIBA products are used within specified operating ranges as set forth in the
most recent TOSHIBA products specifications. Also, please keep in mind the precautions and conditions set forth in the “Handling
Guide for Semiconductor Devices,” or “TOSHIBA Semiconductor Reliability Handbook” etc..
The TOSHIBA products listed in this document are intended for usage in general electronics applications (computer, personal
equipment, office equipment, measuring equipment, industrial robotics, domestic appliances, etc.). These TOSHIBA products are
neither intended nor warranted for usage in equipment that requires extraordinarily high quality and/or reliability or a malfunction or
failure of which may cause loss of human life or bodily injury (“Unintended Usage”). Unintended Usage include atomic energy
control instruments, airplane or spaceship instruments, transportation instruments, traffic signal instruments, combustion control
instruments, medical instruments, all types of safety devices, etc.. Unintended Usage of TOSHIBA products listed in this document
shall be made at the customer’s own risk.
The products described in this document are subject to the foreign exchange and foreign trade laws.
The information contained herein is presented only as a guide for the applications of our products. No responsibility is assumed by
TOSHIBA CORPORATION for any infringements of intellectual property or other rights of the third parties which may result from its
use. No license is granted by implication or otherwise under any intellectual property or other rights of TOSHIBA CORPORATION or
others.
The information contained herein is subject to change without notice.
2000-09-11 1/40


Toshiba Electronic Components Datasheet

TA1218F Datasheet

Audio/Video Switching IC

No Preview Available !

TA1218F pdf
Block Diagram
TA1218N/F
Det Select
Det in
VinV1
VinV2
VinTV
Y/VinS1
Y/VinS2
4
(46)
3
(45)
(6) 10
28
(26)
7
(2)
12
(8)
16
(12)
CinS1
CinS2
Sync out
14
(10)
18
(15)
26
(24)
S
S
Sync
separator
LinS1
LinS2
LinV1
LinV2
LinTV
11
(7)
(11)15
8
(3)
29
(31)
5
(47)
RinS1
RinS2
RinV1
RinV2
RinTV
13
(9)
17
(13)
9
(5)
31
(29)
(48) 6
6dB
VCC
GND
33
(33)
23
(21)
VCC
GND
38
(38)
Vout1
+
+
Pulse
conver-
ter
24Mute
I2C
bus
I2L
Logic
I/O
42
(42)
36
(36)
30
(32)
Vout2
Yout
Yin
34
(34)
32
(30)
24
(22)
25 (23)
27
(25)
19
(16)
20
(17)
21
(18)
22
(19)
41 (41)
40
(40)
37
(37)
1 (43)
Cout
Cin
SCL
SDA
Address
I/O1 (3 level)
I/O2 (3 level)
I/O3
O4
O5
LoutTV
Lout1
Lout2
39
(39)
35
(35)
2
(44)
RoutTV
Rout1
Rout2
Note1: ( ): The terminal number of TA1218F.
2000-09-11 2/40


Part Number TA1218F
Description Audio/Video Switching IC
Maker Toshiba Semiconductor
Total Page 30 Pages
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