NTE1427 Datasheet, PDF (1/2 Pages) NTE Electronics – Integrated Circuit VTR Reference Frequency Divider

NTE1427
Integrated Circuit
VTR Reference Frequency Divider
Description:
The NTE1427 is an integrated circuit designed for VTR’s reference frequency dividing.
Features:
D The functions consist of:
3.58MHz, 4.43MHz crystal oscillation
Frequency divider circuit
D Divider ratio changeable either for NTSC system or PAL system
D Divider output frequency
NTSC system 59.9Hz (3.58MHz)
PAL system 50.0Hz (4.43MHz)
D Supply voltage either 9V or 12V
Absolute Maximum Ratings: (T_A = +25°C unless otherwise specified)
Supply Voltage, V_CC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12.5V
Supply Current, I_CC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22.5mA
Power Dissipation, P_D . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 280°C
Operating Supply Voltage, V_CC(opr) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8.8 ~ 12.5V
Operation ambient temperature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . −20 ∼ +70°C
Storage temperature, T_stg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . −40 ∼ +150°C
Electrical Characteristics: (T_A = +25°C unless otherwise specified)
Parameter
Symbol
Test Conditions
Total circuit current
I_tot V_7−4 = 9V
Sensitivity (Divider Input)
Sensitivity (N/P Switch)
S₍₁₎
S₍₂₎ ^{VCC = 9V}
High−level output voltage (Divider) V_OH V_CC = 9V
Low−level output voltage (Divider) V_OL
Output Voltage (X’tal Osc)
V_O V_CC = 9v, 3.58
Min Typ Max Unit
13 − 21 mA
400 −
3−
− mV_p−p
−
V
4.5 − −
V
− − 0.5 V