MC10129
Figure 2. SWITCHING TIME TEST CIRCUIT AND WAVEFORMS @ 25
°
C
Vin
+5.0 Vdc
VCC
+7.0 Vdc
25
µF
0.1
µF
Vout
Coax
0.1
µ
F
Coax
7
D0
Input
C R
Pulse Generator
Input Pulse
t+ = t– = 5.5
±
0.5 ns
(10 to 90%)
Unused Inputs (D)
must be tied to
VCC or Pin 16
6
50-ohm termination to ground lo-
cated in each scope channel input.
All input and output cables to the
scope are equal lengths of 50-ohm
coaxial cable. Wire length should be
< 1/4 inch from TPin to input pin and
TPout to output pin.
Hysteresis
Control
Clock
Reset
Strobe
D2
D
C R
13
D1
D
C
R
D
14
Q0
15
Q1
3
Q2
Unused outputs
connected to a
50-ohm resistor
to ground.
4
D3
D
C
5
11
10
12
R
2
Q3
1 16
25
µF
8
0.1
µF
+ 2.0 Vdc
–3.2 Vdc
VEE
NOTE: All power supplies and logic levels are shifted 2 volts positive.
MECL Data
DL122 — Rev 6
3–5
MOTOROLA
MOTOROLA [ MOTOROLA, INC ]
