74FCT3807AQGI IDT, 74FCT3807AQGI Datasheet - Page 6

• Manufacturer Part Number: 74FCT3807AQGI
• Description: Clock Drivers & Distribution 3.3V 1
• Manufacturer: IDT
• Type: Clock Driversr

Specifications of 74FCT3807AQGI

• Rohs: yes
• Multiply / Divide Factor: 1
• Output Type: CMOS, TTL
• Max Output Freq: 166 MHz
• Supply Voltage - Max: 3.6 V
• Supply Voltage - Min: 3 V
• Maximum Operating Temperature: + 85 C
• Package / Case: QSOP-20
• Minimum Operating Temperature: - 40 C
• Mounting Style: SMD/SMT
• Supply Current: 15.5 mA
• Part # Aliases: IDT74FCT3807AQGI

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

50pF
C
V
L
CC
100
30pF
C

L
500
500
10pF


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

50pF
C
L
10pF