mc44bc374t1 Freescale Semiconductor, Inc, mc44bc374t1 Datasheet - Page 5

• Manufacturer Part Number: mc44bc374t1
• Description: Pll Tuned Pal/ntsc Uhf And Vhf Audio/ Video High Integration Modulator Ic
• Manufacturer: Freescale Semiconductor, Inc

6 Electrical Characteristics
6.1 Specification Conditions
Unless otherwise stated: V
RF output into 75Ohm load. SPECIFICATIONS ONLY VALID FOR ENVELOPE DEMODULATION.
7 I
MOTOROLA
Operating supply voltage range
Total supply current
Total standby mode supply current
Test pattern sync pulse width
Sound comparator charge pump current
RF comparator charge pump current
Crystal oscillator stability—negative resistance
STBY pin DC current
Force 5V to STBY pin
Force 0V to STBY pin
CA—CHIP ADDRESS
C1—High Order Bits
C0—Low Order Bits
FM—High Order Bits
FL—Low Order Bits
Bit Name
N0…N11
•
•
•
•
SFD0, 1
X5…X0
TPEN
PWC
OSC
2
ATT
SO
During locking
When locked
PS
C Bit Mapping
A = 100% Tested
B = 100% Correlation tested
C = Characterized on samples
D = Design parameter
WRITE MODE
UHF oscillator ON/OFF
Sound Oscillator ON/OFF
Picture-to-sound carrier ratio
Test mode bits—All bits are 0 for normal operation (see Test Mode tables, page 6 & page 7)
except “OSC” bit (normal mode is “1”)
UHF frequency programming bits, in steps of 250kHz
Peak White Clip enable/disable
Modulator output attenuated—sound and video modulators ON/OFF
Sound subcarrier frequency control bits
Test pattern enable—picture and sound
Parameter
cc
=5.0V, Ambient Temperture=25
PWC
Bit 7
N5
1
1
0
MC44BC374T1 Technical Data
TPEN
Bit 6
OSC
N4
1
0
Min
4.5
0.7
44
60
—
—
3
3
7
1
Bit 5
ATT
N11
SO
N3
0
Typ
100
5.0
4.7
Description
52
10
—
—
—
6
1
SFD1
Bit 4
N10
N2
0
0
o
Max
150
5.5
6.5
1.5
-10
C, Video Input 1V
60
12
—
9
1
SFD0
Bit 3
Unit
PS
N9
N1
mA
mA
KΩ
µS
µA
µA
µA
µA
µA
1
V
Bit 2
Bus Section active
All sections active
N8
N0
X3
0
0
Electrical Characteristics
p-p
Notes
, 10-step grayscale.
Bit 1
X2
X5
N7
X1
1
Bit 0
X4
N6
X0
0
0
Type
D
B
A
A
B
A
A
A
A
A
ACK
ACK
ACK
ACK
ACK
ACK
5