MC1650 MC1651

4–341

MOTOROLA

MECL Data

DL122 — Rev 6

FIGURE 5 — LOGIC THRESHOLD TESTS (WAVEFORM SEQUENCE DIAGRAM)

+0.02 V

–0.02 V

Vin

VIHA

VILA

C

“1”

“0”

“1”

Q

“0”

Q

12

3

4

Sequential

Test Number

(See Test Table)

Differential

Input

Vin

+

–

VIH

Vref

DQ

C

Q

Q

50

–2.0 Vdc

1/2 Device

–2.5 Vdc

p Vref p +2.5 Vdc

+

–

0

–1.0

–2.0

–20

–15

–10

–5.0

Vref

5.0

10

15

20

Logic “1”

Logic “0”

Vin, DIFFERENTIAL INPUT VOLTAGE (mV)

TYPICAL TRANSFER CURVES

TEST CONFIGURATION

Resolution