ECL PRESCALLER FOR COMMUNICATIONS RADIO
TOSHIBA Bipolar Digital Integrated Circuit Silicon Monolithic
TD6127BP
ECL Prescaller For Communications Radio
TD6127BP...
Description
TOSHIBA Bipolar Digital Integrated Circuit Silicon Monolithic
TD6127BP
ECL Prescaller For Communications Radio
TD6127BP
TD6127BP is a 2 modulus prescaller developed for communications radio of PLL frequency synthesizer type. This is suitable for mobile radio telephone and personal communications radio etc.
Features
· Maximum operating frequency is 1 GHz. · 2 modulus prescaller: N = 64 / 65 or N = 128 / 129 · Input voltage sensitivity is 50mVrms. · The package is DIP 8 pins.
Weight: 0.5g (typ.)
Block Diagram
Pin Connection (top view)
1 2002-10-30
Pin Function
Pin No. 1 2 3 4 5
6
7
8
Symbol VCC In Bias GND Out
64 / 128
PSC
NC
Function
Power supply terminal
Input terminal of local oscillator
Bias capacitance terminal
Earth terminal
Output terminal
Dividing mode selection terminal "H" level: 64, 65 "L" level: 128, 129
2 modulus control terminal "H" level: N "L" level: N + 1
Not connected
Remarks ― ― ― ― ―
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TD6127BP
2 2002-10-30
Maximum Ratings (Ta = 25°C)
Characteristic
Power supply voltage Power dissipation Input voltage Operating temperature Storage temperature
Symbol
VCC PD Vin Topr Tstg
Rating
6.5 450 -0.3~VCC + 0.3 -30~85 -55~150
Unit
V mW
V °C °C
TD6127BP
Electrical Characteristics (unless otherwise specified, VCC = 4.5~5.5V, Ta = -30~85°C, fIN = 400~1000MHz)
Characteristic
Supply voltage Supply current Operating frequency range
Symbol
VCC ICC fIN
Test Circuit ―
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Test Condition
VCC = 5.0V
― ―
Min. Typ. Max. Unit
4.5 5.0 5.5
V
― 40 70 mA...
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