IDT74FCT807BT Integrated Device Technology, IDT74FCT807BT Datasheet - Page 5

• Manufacturer Part Number: IDT74FCT807BT
• Description: Fast Cmos 1-to-10 Clock Driver
• Manufacturer: Integrated Device Technology

IDT54/74FCT807BT/CT
FAST CMOS 1-TO-10 CLOCK DRIVER
TEST CIRCUITS
50 TO V
C
ENABLE AND DISABLE TIME CIRCUIT
L
Generator
= 30pF CIRCUIT
Generator
Pulse
Pulse
Generator
Pulse
CC
V
/2, C
V
IN
IN
V
IN
L
R
R
= 10pF
T
T
R
D.U.T.
Figure 1.
Figure 3.
Figure 5.
D.U.T.
T
V
V
CC
D.U.T.
CC
V
CC
V
V
OUT
OUT
V
OUT
C
50pF
L
100
C
500
500
30pF
V
L
CC
3017 drw 08
3017 drw 04
3017 drw 06
100
10pF
7.0V
9.3
The capacitor value for ac termination is determined by the operating
frequency. For very low frequencies a higher capacitor value should be
selected.
C
ENABLE AND DISABLE TIME
SWITCH POSITION
DEFINITIONS:
C
R
50 AC TERMINATION, C
L
T
L
= Load capacitance: includes jig and probe capacitance.
Generator
= Termination resistance: should be equal to Z
= 50pF CIRCUIT
Pulse
Generator.
Generator
Disable HIGH
Disable LOW
Enable HIGH
Enable LOW
Pulse
MILITARY AND COMMERCIAL TEMPERATURE RANGES
Test
V
IN
V
R
IN
T
D.U.T.
V
Figure 2.
Figure 4.
R
CC
T
D.U.T.
V
L
CC
V
= 10pF
OUT
V
OUT
OUT
Switch
Closed
Open
220pF
of the Pulse
50
C
50pF
L
3017 drw 05
3017 drw 07
3017 lnk 09
10pF
5