xrt7298 Exar Corporation, xrt7298 Datasheet - Page 5

• Manufacturer Part Number: xrt7298
• Description: Xrt7298 -ds2/sts-1 E3 Integrated Line Transmitter
• Manufacturer: Exar Corporation

ELECTRICAL
T est Conditions: V
are measuredwith 10pF loading.
Notes:
1
2
3
4
AC Electrical Characteristics
DC Electrical Characteristics
Whentheencoder i s enabled, a handlingdelayof six TCLK clockcyclesfor B3ZS andseven clockcyclesfor HDB3
alwaysexists between TPDA T A/TNDAT A andTTIP/TRING. The handlingdelayis reduced tothreeanda halfcycleswhentheen
coderis disabled.
Whenthedecoder i s enabled, a handlingdelayof six anda halfRCLK clockcycleswill alwaysexist between RPDAT A/RNDA T A
andRPOS/RNEG. The handlingdelayis reduced to oneandhalfRCLK clockcycleswhenthedecoder i s disabled.
Supply currentis measuredwithtransmittersendingall ones AMI signal andwithT ransmit Level (TXLEV) set to high.
All inputs exceptpin 19, 20 andpin 26.
Symbol
''
''
2+
2/
,+
/
,/
/
,
Parameter
CHARACTERISTICS

DD
= 5V

5%, T
287
287

Specifications are subject to changewithout notice
A
(See Figure 8 )
= -40
G
C to +85
G
C, unless otherwise specified. All timing characteristics

''
''
Min.
T yp.
XRT7298
Max.
''
''
Units
2
2