SN74F1056

8-BIT SCHOTTKY BARRIER DIODE

BUS-TERMINATION ARRAY

SDFS085A – AUGUST 1992 – REVISED JULY 1997

4

POST OFFICE BOX 655303

APPLICATION INFORMATION

ZO = 50 Ω

Length = 36 in.

(a) UNDERSHOOT TEST SETUP

ZS = 25Ω

1.03610

µs

Ch 1

= 2.000 V/div

Timebase = 5.00 ns/div

Vmarker 1 = 0.0000 V

Vmarker 2 = –600.00 mV

Offset = 2.340 V

Delay

= 1.06110

µs

Delta V = –600.0 mV

1.06110

µs

1.08610

µs

–2.6 V

Vmarker 1

Vmarker 2

(b) OSCILLOSCOPE DISPLAY

S1

S1 Open

S1 Closed

Figure 2. Undershoot Test Setup and Oscilloscope Display