MOTOROLA
SEMICONDUCTOR TECHNICAL DATA
Quad |
MECL |
to |
TTL |
Translator |
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The MC10125 is a quad translator for interfacing data and control signals |
MC10125 |
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between the MECL section and saturated logic sections of digital systems. The |
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MC10125 incorporates differential inputs and Schottky TTL ªtotem poleº |
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outputs. Differential inputs allow for use as an inverting/ non±inverting translator |
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or as a differential line receiver. The VBB reference voltage is available on pin 1 |
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for use in single±ended input biasing. The outputs of the MC10125 go to a low |
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logic level whenever the inputs are left floating. |
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L SUFFIX |
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Power supply requirements are ground, +5.0 Volts and ±5.2 Volts. |
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CERAMIC PACKAGE |
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Propagation delay of the MC10125 is typically 4.5 ns. The MC10125 has fanout |
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CASE 620±10 |
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of 10 TTL loads. The dc levels are MECL 10,000 in and Schottky TTL, or TTL |
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out. This device has an input common mode noise rejection of ± 1.0 Volt. |
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P SUFFIX |
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An advantage of this device is that MECL level information can be received, |
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PLASTIC PACKAGE |
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via balanced twisted pair lines, in the TTL equipment. This isolates the MECL |
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CASE 648±08 |
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logic from the noisy TTL environment. This device is useful in computers, |
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FN SUFFIX |
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instrumentation, peripheral controllers, test equipment and digital |
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PLCC |
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communications systems. |
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CASE 775±02 |
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PD = 380 mW typ/pkg (No Load) |
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DIP |
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tpd = 4.5 ns typ (50% to + 1.5 Vdc out) |
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tr, tf = 2.5 ns typ (1.0 V to 2.0 V) |
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PIN ASSIGNMENT |
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VBB |
1 |
16 |
GND |
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LOGIC DIAGRAM |
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AIN |
2 |
15 |
DIN |
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2 |
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AIN |
3 |
14 |
DIN |
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4 |
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3 |
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AOUT |
4 |
13 |
DOUT |
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6 |
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5 |
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BOUT |
5 |
12 |
COUT |
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7 |
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BIN |
6 |
11 |
CIN |
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10 |
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12 |
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BIN |
7 |
10 |
CIN |
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11 |
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14 |
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13 |
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VEE |
8 |
9 |
VCC |
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15 |
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1 |
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Pin assignment is for Dual±in±Line Package. |
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VBB* |
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For PLCC pin assignment, see the Pin Conversion |
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Gnd |
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PIN 16 |
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Tables on page 6±11 of the Motorola MECL Data |
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Book (DL122/D). |
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VCC (+5.0Vdc) |
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PIN 9 |
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VEE (±5.2Vdc) |
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PIN 8 |
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*VBB to be used to supply bias to the MC10125 only and bypassed (when used) with 0.01 μF to 0.1 μF capacitor to ground (0 V). VBB can source < 1.0 mA.
When the input pin with the bubble goes positive, the output goes negative.
3/93
Motorola, Inc. 1996 |
3±89 |
REV 5 |
MC10125
ELECTRICAL CHARACTERISTICS
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Test Limits |
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Pin |
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±30°C |
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+25°C |
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+85°C |
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Under |
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Characteristic |
Symbol |
Test |
Min |
Max |
Min |
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Typ |
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Max |
Min |
Max |
Unit |
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Negative Power Supply Drain |
IE |
8 |
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±44 |
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±40 |
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±44 |
mAdc |
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Current |
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Positive Power Supply Drain |
ICCH |
9 |
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52 |
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52 |
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52 |
mAdc |
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Current |
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ICCL |
9 |
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39 |
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39 |
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39 |
mAdc |
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Input Current |
IinH1 |
2 |
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180 |
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115 |
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115 |
μAdc |
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Input Leakage Current |
ICBO |
2 |
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1.5 |
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1.0 |
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1.0 |
μAdc |
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High Output Voltage |
VOH |
4 |
2.5 |
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2.5 |
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2.5 |
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Vdc |
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Low Output Voltage |
VOL |
4 |
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0.5 |
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0.5 |
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0.5 |
Vdc |
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High Threshold Voltage |
VOHA |
4 |
2.5 |
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2.5 |
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2.5 |
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Vdc |
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Low Threshold Voltage |
VOLA |
4 |
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0.5 |
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0.5 |
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0.5 |
Vdc |
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Indeterminate Input |
VOLS1 |
4 |
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0.5 |
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0.5 |
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0.5 |
Vdc |
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Protection Tests |
VOLS2 |
4 |
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0.5 |
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0.5 |
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0.5 |
Vdc |
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Short Circuit Current |
IOS |
4 |
40 |
100 |
40 |
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100 |
40 |
100 |
mAdc |
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Reference Voltage |
VBB |
1 |
±1.420 |
±1.280 |
±1.350 |
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±1.230 |
±1.295 |
±1.150 |
Vdc |
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Common Mode Rejection |
VOH |
4 |
2.5 |
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2.5 |
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2.5 |
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Vdc |
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Tests |
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4 |
2.5 |
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2.5 |
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2.5 |
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VOL |
4 |
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0.5 |
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0.5 |
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0.5 |
Vdc |
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4 |
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0.5 |
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0.5 |
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0.5 |
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Switching Times (50Ω Load) |
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Propagation Delay |
t6+5± |
5 |
1.0 |
6.0 |
1.0 |
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4.5 |
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6.0 |
1.0 |
6.0 |
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(50% to +1.5Vdc) |
t6±5+ |
5 |
1.0 |
6.0 |
1.0 |
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4.5 |
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6.0 |
1.0 |
6.0 |
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t2+4± |
4 |
1.0 |
6.0 |
1.0 |
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4.5 |
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6.0 |
1.0 |
6.0 |
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t2±4+ |
4 |
1.0 |
6.0 |
1.0 |
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4.5 |
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6.0 |
1.0 |
6.0 |
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Rise Time |
(+1.0V to 2.0V) |
t4+ |
4 |
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3.3 |
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3.3 |
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3.3 |
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Fall Time |
(+1.0V to 2.0V) |
t4± |
4 |
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3.3 |
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3.3 |
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3.3 |
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1. Individually test each output, apply VIHmax to pin under test.
MOTOROLA |
3±90 |
MECL Data |
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DL122 Ð Rev 6 |
MC10125
ELECTRICAL CHARACTERISTICS (continued)
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TEST VOLTAGE VALUES (Volts) |
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@ Test Temperature |
VIHmax |
VILmin |
VIHAmin |
VILAmax |
VIHH |
VILH |
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±30°C |
±0.890 |
±1.890 |
±1.205 |
±1.500 |
+0.110 |
±0.890 |
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+25°C |
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±0.810 |
±1.850 |
±1.105 |
±1.475 |
+0.190 |
±0.850 |
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+85°C |
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±0.700 |
±1.825 |
±1.035 |
±1.440 |
+0.300 |
±0.825 |
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Pin |
TEST VOLTAGE APPLIED TO PINS LISTED BELOW |
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Characteristic |
Symbol |
Under |
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Output |
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Test |
VIHmax |
VILmin |
VIHAmin |
VILAmax |
VIHH |
VILH |
Gnd |
Condition |
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Negative Power Supply |
IE |
8 |
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16 |
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Drain Current |
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Positive Power Supply |
ICCH |
9 |
2,6,10,14 |
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16 |
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Drain Current |
ICCL |
9 |
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2,6,10,14 |
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16 |
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Input Current |
IinH1 |
2 |
2,6,10,14 |
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16 |
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Input Leakage Current |
ICBO |
2 |
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16 |
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High Output Voltage |
VOH |
4 |
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2,6,10,14 |
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16 |
±2.0mA |
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Low Output Voltage |
VOL |
4 |
2,6,10,14 |
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16 |
20mA |
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High Threshold Voltage |
VOHA |
4 |
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6,10,14 |
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2 |
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16 |
±2.0mA |
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Low Threshold Voltage |
VOLA |
4 |
6,10,14 |
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2 |
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16 |
20mA |
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Indeterminate Input |
VOLS1 |
4 |
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16 |
20mA |
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Protection Tests |
VOLS2 |
4 |
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16 |
20mA |
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Short Circuit Current |
IOS |
4 |
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2,6,10,14 |
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4, 16 |
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Reference Voltage |
VBB |
1 |
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2,6,10,14 |
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Common Mode Rejection |
VOH |
4 |
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3 |
2 |
16 |
±2.0mA |
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Tests |
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4 |
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16 |
±2.0mA |
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VOL |
4 |
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2 |
3 |
16 |
20mA |
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4 |
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16 |
20mA |
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Switching Times (50Ω Load) |
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Pulse In |
Pulse Out |
CL (pF) |
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Propagation Delay |
t6+5± |
5 |
6 |
5 |
25 |
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16 |
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(50% to +1.5Vdc) |
t6±5+ |
5 |
6 |
5 |
25 |
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16 |
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t2+4± |
4 |
2 |
4 |
25 |
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16 |
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t2±4+ |
4 |
2 |
4 |
25 |
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16 |
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Rise Time |
(+1.0V to 2.0V) |
t4+ |
4 |
2 |
4 |
25 |
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16 |
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Fall Time |
(+1.0V to 2.0V) |
t4± |
4 |
2 |
4 |
25 |
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16 |
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1. Individually test each output, apply VIHmax to pin under test.
MECL Data |
3±91 |
MOTOROLA |
DL122 Ð Rev 6 |
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