Datasheet

DS26514 4-Port T1/E1/J1 Transceiver
19-5856; Rev 4; 5/11 84 of 305
9.11 Power-Supply Decoupling
Table 9-38. Recommended Supply Decoupling
SUPPLY PINS
DECOUPLING CAPACITANCE
NOTES
DVDD33 / DVSS
0.01
µ
F + 0.1
µ
F + 1
µ
F + 10
µ
F
DVDDI8 / DVSS
0.01
µ
F + 0.1
µ
F + 1
µ
F + 10
µ
F
ATVDD[4 :1] /
ATVSS[4 :1]
0.1µF (x4) + 1µF (x2) + 10µF
It is recommended to use one 0.1µF cap for each
ATVDD/ATVSS pair (4 total), one 1µF for every
two ATVDD/ATVSS pairs (2 total), and one 10µF
capacitor for the analog transmit supply pins.
These capacitors should be located as close to the
intended power pins as possible.
ARVDD[4 :1] /
ARVSS[4 :1]
0.1µF (x4) + 1µF (x2) + 10µF
It is recommended to use one 0.1µF cap for each
ARVDD/ARVSS pair (4 total), one 1µF for every
two ARVDD/ARVSS pairs (2 total), and one 10µF
capacitor for the analog receive supply pins. These
capacitors should be located as close to the
intended power pins as possible.
ACVDD / ACVSS
0.1µF + 1µF + 10µF