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PDF ML12061 Data sheet ( Hoja de datos )
| Número de pieza | ML12061 | |
| Descripción | Crystal Oscillator | |
| Fabricantes | LANSDALE | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de ML12061 (archivo pdf) en la parte inferior de esta página. Total 9 Páginas | ||
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ML12061
Crystal Oscillator
Legacy Device: Motorola MC12061
The ML12061 is for use with an external crystal to form a crys-
tal controlled oscillator. In addition to the fundamental series mode
crystal, two bypass capacitors are required (plus usual power sup-
ply pin bypass capacitors). Translators are provided internally for
MECL and TTL outputs.
• Frequency Range = 2.0 to 20 MHz
• Operating Temperature Range = 0 to + 70°C
• Single Supply Operation: +5.0 Vdc or –5.2 V DC
• Three Outputs Available:
1.Complementary Sine Wave (600 mVpp typ)
2.Complementary MECL
3.Single Ended TTL
Figure 1. Block Diagram
Bias
Bypass
0.1 µF
VCC
7 1 VCC
AGC
Filter
0.1 µF
4
Sine Wave
Output
– + –+
3 2 14 15 16
MECL
Output
VCC 13 12
11 VCC
Voltage
Reg.
Crystal
Osc.
AGC
Ampl./
AGC
65
Crystal
Note: 0.1 µF power supply
pin bypass capacitors
not shown.
Sine
to
MECL
8 VEE
MECL
to
TTL
Trans-
lator
10
TTL
Output
9 VEE
16
1
P DIP 16 = EP
PLASTIC PACKAGE
CASE 648
CROSS REFERENCE/ORDERING INFORMATION
PACKAGE
MOTOROLA
LANSDALE
P DIP 16
MC112061P ML12061EP
Note: Lansdale lead free (Pb) product, as it
becomes available, will be identified by a part
number prefix change from ML to MLE.
Page 1 of 9
www.lansdale.com
Issue A
Free Datasheet http://www.datasheet4u.com/
1 page  
ML12061
LANSDALE Semiconductor, Inc.
Figure 6. AC Characteristics – MECL and TTL Outputs
Input (Pin 15) 20%
t+
80%
50%
t+ +
TTL Output
(Pin 10)
MECL Output
(Pin 13)
MECL Output
(Pin 12)
50%
t++
50% 80%
20%
t+– t+
80%
50%
20%
t–
All input and output cables to the scope
are equal lengths of 50 Ω coaxial cable.
Unused outputs are connected to a 50 Ω
± 1% resistor to ground.
t – +200 mV
–200 mV
t– –
0.1 µF
VCC = + 2.0 Vdc
16
15
11
13
t– –
t–
t– +
Pulse Generator
(EH 137 or Equiv)
PRF = 2.0 MHz
t + = t – = 2.0 ± 0.2 ns
14
89
12
10
t + 0.1 µF
CT = 15 pF = total parasitic capacitance which
includes probe, wiring, and load capaci-
tance.
VEE = – 3.0 Vdc
CT
450
450
1.2 k
400
MMD6150
or Equiv
+ 2.0
Vdc
MMD7000
or Equiv
– 3.0 Vdc
Characteristic
Propagation Delay
Rise Time
Fall Time
Test Limits
TEST VOLTAGES/WAVEFORMS
APPLIED TO PINS LISTED BELOW:
Symbol
t15 + 10 +
t15 – 10 –
t15 + 12 –
t15 – 12 +
t15 + 13 +
t15 – 13 –
t12 +
t13 +
t12 –
t13 –
Pin
Under
0°C
+ 25°C
+ 75°C
Test Min Max Min Typ Max Min Max Unit Pulse In Pulse Out + 2.0 Vdc – 3.0 Vdc Gnd
10 — 22 — 17 25 — 27 ns
10 — 19 — 12 18 — 18
12 — 5.2 — 4.3 5.5 — 5.8
12 — 5.0 — 3.7 5.2 — 5.2
13 — 4.8 — 4.0 5.0 — 5.2
13 — 5.0 — 4.0 5.0 — 5.1
15
10
11,16
8,9 14
10
12
12
13
13
12 — 4.0 — 3.0 4.0 — 4.4 ns
13 — 4.0 — 3.0 4.0 — 4.4 ns
15
15
12
11,16
8,9 14
13
11,16
8,9 14
12 — 4.0 — 3.0 4.0 — 4.0 ns
13 — 4.0 — 3.0 4.0 — 4.0 ns
15
15
12
11,16
8,9 14
13
11,16
8,9 14
Characteristic
Sine Wave Amplitude
Pin
Under
Test
2
3
+ 25°C
Min Typ
TEST VOLTAGE APPLIED
TO PINS LISTED BELOW
Unit + 2.0 Vdc – 3.0 Vdc
650 750 mVp-p
650 750
1
8,9
Figure 7. AC Test Circuit – Sine Wave Output
All output cables to the scope are equal lengths of 50 Ω coaxial
cable. All unused cables must be terminated with a 50 Ω ± 1%
resistor to ground.
450 Ω resistor and the scope termination impedance constitute
a 10:1 attenuator probe.
Crystal — Reeves Hoffman Series Mode,
Series Resistance Minimum at Fundamental
f = 10 MHz
RE = 5 Ω
*RS = 15 kΩ is inserted only for test purposes. When used
with the above specified crystal, it guarantees oscillation
with any crystal which has an equivalent series
resistance 155 Ω
Rp: will improve start up problems value: 200–500 Ω
VCC = + 2.0 Vdc
0.1 µF
0.1 µF
1
0.1
µF
4
3 450
2 450
65
R*pRS
89
0.1 µF
Crystal
VEE = – 3.0 Vdc
Page 5 of 9
www.lansdale.com
Issue A
Free Datasheet http://www.datasheet4u.com/
5 Page | ||
| Páginas | Total 9 Páginas | |
| PDF Descargar | [ Datasheet ML12061.PDF ] | |
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