MC12061P 查看數據表（PDF） - Motorola => Freescale

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MC12061P

CRYSTAL OSCILLATOR

Motorola => Freescale 

MC12061

Figure 6. AC Characteristics – MECL and TTL Outputs

Input (Pin 15) 20%

t+

80%

50%

t+ +

t–

+200 mV

–200 mV

t– –

0.1 µF

VCC = + 2.0 Vdc

16 11

15

13 450

TTL Output

(Pin 10)

MECL Output

(Pin 13)

MECL Output

(Pin 12)

50%

t++

80%

50%

20%

t+– t+

80%

50%

20%

t–

t– –

t–

t– +

t+

Pulse Generator

(EH 137 or Equiv)

PRF = 2.0 MHz

t + = t – = 2.0 ± 0.2 ns

14

89

0.1 µF

12 450

10 1.2 k

CT

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.

CT = 15 pF = total parasitic capacitance which

includes probe, wiring, and load capaci-

tance.

VEE = – 3.0 Vdc

400

+ 2.0

Vdc

MMD6150

or Equiv

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 15

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

10

11,16

8,9

14

10

12

12

13

13

12 — 4.0 — 3.0 4.0 — 4.4 ns 15

13 — 4.0 — 3.0 4.0 — 4.4 ns 15

12

11,16

8,9

14

13

11,16

8,9

14

12 — 4.0 — 3.0 4.0 — 4.0 ns 15

13 — 4.0 — 3.0 4.0 — 4.0 ns 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

1

8,9

650 750

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

p 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

MOTOROLA RF/IF DEVICE DATA

5

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