IDT74FCT3807 Integrated Device Technology, IDT74FCT3807 Datasheet - Page 6

• Manufacturer Part Number: IDT74FCT3807
• Description: 3.3v Cmos 1-to-10 Clock Driver
• Manufacturer: Integrated Device Technology

TEST CIRCUITS
IDT74FCT3807/A
3.3V CMOS 1-TO-10 CLOCK DRIVER
Generator
Generator
Pulse
Pulse
Generator
Pulse
Figure 5. Enable and Disable Time Circuit
Figure 1. Z
V
V
IN
IN
Figure 3. C
V
IN
O
R
= 50 Ω Ω Ω Ω Ω to V
R
T
T
R
D.U.T.
D.U.T.
L
V
T
V
CC
= 30pF Circuit
CC
D.U.T.
V
CC
CC
/2, C
V
OUT
V
OUT
L
= 10pF
V
100
OUT
Ω
50pF
C
V
L
CC
100
30pF
C
Ω
L
500
500
10pF
Ω
Ω
6V
GND
6
The capacitor value for ac termination is determined by the operating frequency. For very
low frequencies a higher capacitor value should be selected.
ENABLE AND DISABLE TIME
SWITCH POSITION
DEFINITIONS:
C
R
Generator
L
T
=
=
Pulse
Generator
Load capacitance: includes jig and probe capacitance.
Termination resistance: should be equal to Z
Pulse
Disable HIGH
Enable HIGH
Figure 2. Z
Disable LOW
Enable LOW
COMMERCIAL/INDUSTRIAL TEMPERATURE RANGES
Test
V
IN
V
Figure 3. C
IN
O
= 50 Ω Ω Ω Ω Ω AC Termination, C
R
T
R
D.U.T.
T
V
L
CC
= 50pF Circuit
D.U.T.
V
CC
OUT
V
of the Pulse Generator.
OUT
V
Switch
OUT
220pF
GND
L
50
6V
= 10pF
Ω
50pF
C
L
10pF