NTE874 Ver la hoja de datos (PDF) - NTE Electronics
Número de pieza
componentes Descripción
Fabricante
NTE874 Datasheet PDF : 7 Pages
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Electrical Characteristics (Cont’d): (TA = +25°C, VCC = 12VDC, V25 = 12VDC, Pin 2, 15, 22 to
GND;, 1µF from Pin 4 to GND., 10K ohms from Pin 28 to GND., FCLK = 1MHz, (AC Coupled),
VSync 1.2V to 4V, VIV 1.9V to 2.8V, VFA 0.2V to 0.7V)
Parameter
Test Conditions
PIN # Min Typ Max Units
Blanking/Gating Section (Cont’d)
Horizontal Blanking Starts
(See Notes: 1, 2, 4)
16
– .07 0.6 µs
Horizontal Blanking Width
(See Notes: 2, 4, 5)
16 11.75 12.3 12.75 µs
Burst Gate Starts
(See Notes: 1, 2, 4)
16
0.15 .44 0.45 µs
Burst Gate Trailing Edge
(See Notes: 1, 2, 4)
16
8.6 – 9.8 µs
AGC Gate Starts
(See Notes: 1, 2, 4)
9
– .37 0.9 µs
AGC Gate Width 1
(See Notes: 2, 4, 5)
9
4.25 5.3 6.25 µs
AGC Gate Width 2
(See Notes: 3, 4, 5)
9
4.25 5.2 6.25 µs
Horizontal Drive Section
Horizontal Out, Low Voltage VCC = 3V, 50pF (Pin 3 to GND),
3
Start
3.9 K–ohm (Pin 3 to 3V)
2.8 –
–
VP–P
Low Voltage Horizontal Period VCC = 3V, V23 = 1MHz
50pF (Pin 3 to GND),
3.9K–ohm (Pin 3 to 3V)
(Trigger Level 1.5V)
3
55 64 75
µs
Low Voltage Horizontal Pulse
Width Symmetry
VCC = 3V, V23 = 1MHz,
50pF (Pin 3 to GND),
3.9K–ohm (Pin 3 to 3V)
(Trigger Level 1.5V)
Find Pulse Width Divide
by Period
3
.3 .48 .7 Ratio
Pin 4 Quiescent Voltage
V6 = V8 = 6V, I5 = 20mA,
Pin 4 Open
8.4 8.7 9.1
V
Horizontal Drive Saturation
Voltage
V6 = V8 = 6V
5
– 174 225 mV
Horizontal Drive Symmetry
Horizontal Drive Ratio
V6 = V8 = 6V,
200 ohm (Pin 5 to GND),
600 ohm (Pin 5 to VCC),
V4 = 15, 734Hz, 2Vp–p
5
26 29.5 33
µs
3
– 64 –
µs
Horizontal Pulse Width
3
31
–
33
µs
Vertical Drive Section
Ramp Leakage
Mirror Ramp Current
V12 = 0V, V11 = 1V, V13 = 4V
11
– .04 –3 µA
I12 = 150µA, V11 = 4V,
V13 = 5V
11
– .04 –3 µA
Ramp Charging Current,
VD High
V12 = 0V, V11 = 0V, V13 = 5V, 11
Stop Clock when Pin 11 Goes
High
–5.5 –10 –15.5 mA
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