YTD428(2001) Просмотр технического описания (PDF) - Yamaha Corporation

Номер в каталоге

Компоненты Описание

Список матч

YTD428
(Rev.:2001)

DSU LSI for the ISDN Terminal Equipment

Yamaha Corporation 

s T Reference Point Receive Characteristic (TE mode)

(VDD = 5.0 V, Top = -20 ~ 70 °C, CL = 50 pF)

Parameter Symbol Condition Min. Typ. Max. Units

tRDR

700

ns

tRDL

Delay Time

tRDH

200

ns

700

ns

tRDF

700

ns

Rise Time

tRR

Note 1

30

ns

Fall Time

tRF

Note 2

30

ns

Note 1 With respect to HRD, LRD pins (ODSEL = “H”)

Note 2 With respect to HRD, LRD pins

Note 3 Figure 2 shows the timing when RDP = “H”. When RDP = “L”, the output signal polarity from HRD and LRD pins

are inverted.

Receive signal (I)

0V

(LI1 - LI2)

t RDR

t RDL

t RR

t RF

HRD (O)

LRD (O)

t RDH

t RR

t RDF

t RF

2.0V

0.8 V

2.0 V

0.8 V

Figure 2 Receive Timing

- 10 -

Share Link: