LTC2856 View Datasheet(PDF) - Linear Technology
Part Name
Description
MFG CO.
'LTC2856' PDF : 16 Pages View PDF
TEST CIRCUITS
LTC2856-1/LTC2856-2
LTC2857-1/LTC2857-2
LTC2858-1/LTC2858-2
Y
DI
DRIVER
Z
CL
RDIFF
CL
285678 F04a
VCC
DI
0V
Y, Z VO
tPLHD,
tPLHDS
1/2 VO
tPHLD,
tPHLDS
tSKEWD,tSKEWDS
90%
90%
Y-Z
10% 0
0 10%
tRD,
tRDS
285678 F04b
tFD,
tFDS
Figure 4. Driver Timing Measurement
Y
VCC DI
OR
DRIVER
GND
DE
Z
RL
GND
OR
CL
VCC
RL
CL
VCC
OR
GND
285678 F05a
VCC
DE
0V
VCC
Y OR Z
VOL
VOH
Z OR Y
0V
1/2 VCC
tZLD,
tZLDS,
tZLSD,
tZLSDS
VO
1/2 VCC
1/2 VCC
tZHD,
tZHDS,
tZHSD,
tZHSDS
Figure 5. Driver Enable and Disable Timing Measurement
tLZD,
tLZDS
0.5V
0.5V
tHZD,
tHZDS,
tSHDN,
tSHDNS
285678 F05b
285678fe
7
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