TA1370FG Datasheet PDF - Toshiba Semiconductor

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TA1370FG
Toshiba Semiconductor

Part Number TA1370FG
Description SYNC Processor / Frequency Counter IC for TV Component Signals
Page 30 Pages


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TOSHIBA Bipolar Linear Integrated Circuit Silicon Monolithic
TA1370FG
SYNC Processor, Frequency Counter IC for TV Component Signals
TA1370FG
TA1370FG is a sync processor for TV component signals.
TA1370FG provides sync and frequency counter processing for
external input signals.
These functions are integrated in a 30 pin SSOP-type plastic
package.
TA1370FG provides I2C bus interface, so various functions and
controls are adjustable via the bus.
Features
Horizontal synchronization circuit (28.125 kHz, 31.5 kHz,
33.75 kHz, 45 kHz)
Weight: 0.63 g (typ.)
Vertical synchronization circuit (525P, 625P, 750P, 1125I, PAL 100 Hz, NTSC 120 Hz)
Horizontal and vertical frequency counter
Horizontal PLL
Accepts 2-level and 3-level sync
Accepts both negative and positive HD and VD
Clamp pulse output
HD, VD output (polarity inverter)
Separated sync output
Mask for the copy guard signal
1 2003-02-19



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Block Diagram
DAC3
30
VD2-OUT VD1-OUT
29 28
NC SYNC1-IN DAC1 SYNC2-IN Address SW SCL
27 26 25 24 23 22
SDA
21
DAC3
SW
INV
SW
INV
SW
SYNC
SEPA
DAC1
SW
SYNC
SEPA
I2CBUS
Decoder
TEST DAC3 DV2-OUT DV1-OUT
SW SW
DAC1
TA1370FG
NC HD2-OUT Digital GND NC HD1-OUT
20 19 18 17 16
INV INV
SW SW
HD2-OUT
SW
HD1-OUT
SW
H/V-
FREQ
Counter
V-SYNC
V-FREQ
DET SW
H/C-
SYNC
DAC2
DAC2
SW
H-FREQ
DET SW
V-Input
SW
V
Integral
H-INPUT
SW
V C/D
V-FREQ
SW
Clamp
Pulse
HD
Polarity
H-AFC
HVCO
CP
SW
2 × fH
H C/D
H-Ramp
H-FREQ
SW
1
HD2-IN
2
VD2-IN
3
HD1-IN
45
VD1-IN Analog GND
6
NC
7
AFC Filter
8
NC
2
9
HVCO
10
NC
11 12 13 14 15
VCC
DAC2
VD3-IN HD3-IN CP-OUT
2003-02-19



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Pin Functions
Pin
No.
Pin Name
Function
1 HD2-IN
Input horizontal sync signal.
It accepts input of both positive
and negative polarity.
Input signal from this pin is not
synchronized.
2 VD2-IN
Input vertical sync signal.
It accepts input of both positive
and negative polarity.
Input signal from this pin is not
synchronized.
1 1 k
2 1 k
Interface Circuit
11
5
11
5
3
TA1370FG
Input Signal/Output Signal
Th: 0.7 V
or
Th: 0.7 V
Th: 0.7 V
or
Th: 0.7 V
2003-02-19



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Pin
No.
Pin Name
Function
3 HD1-IN
Input horizontal sync signal.
It accepts input of both positive
and negative polarity.
Input signal from this pin is not
synchronized.
4 VD1-IN
5 Analog GND
6 N.C.
Input vertical sync signal.
It accepts input of both positive
and negative polarity.
Input signal from this pin is not
synchronized.
GND pin for analog circuit
blocks.
Connect to GND.
3 1 k
Interface Circuit
11
4 1 k
5
11
5
4
TA1370FG
Input Signal/Output Signal
Th: 0.7 V
or
Th: 0.7 V
Th: 0.7 V
or
Th: 0.7 V
2003-02-19



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Toshiba Semiconductor
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