74gtl1655 STMicroelectronics, 74gtl1655 Datasheet - Page 10

• Manufacturer Part Number: 74gtl1655
• Description: Lvttl Gtl/gtl+ Universal Transceivers With Live Insertion
• Manufacturer: STMicroelectronics

74GTL1655
TEST CIRCUIT FOR "A" OUTPUTS
C
R
R
t
TEST CIRCUIT FOR "B" OUTPUTS
C
R
R
t
10/14
r
r
t
t
t
=t
=t
PLH,
PZL,
PZH,
L
L
T
L
L
T
f
f
= 50pF or equivalent (includes jig and probe capacitance)
= R
= 30pF or equivalent (includes jig and probe capacitance)
= R1 = 12.5 or equivalent
= Z
= Z
<=2.5ns
<=2.5ns
t
t
OUT
OUT
t
1
PLZ
PHL
PHZ
= 500 or equivalent
of pulse generator (typically 50 )
of pulse generator (typically 50 )
Test
Switch
Open
GND
6V