Owner's manual

DS21455/DS21458 Quad T1/E1/J1 Transceivers
267 of 270
Figure 38-14. Transmit Side Timing, Elastic Store Enabled
NOTES:
1) TSER is only sampled on the falling edge of TSYSCLK when the transmit-side elastic store is
enabled.
2) TCHCLK and TCHBLK are synchronous with TSYSCLK when the transmit-side elastic store is
enabled.
t
F
t
R
TSYSCLK
TSER
TCHCLK
t
t
SL
t
SH
SP
TSSYNC
TCHBLK
t
D3
t
D3
t
t
t
SU
HD
SU
t
HD