Philips Semiconductors Product data sheet
SC26C562
CMOS dual universal serial communications controller
(CDUSCC)
2006 Aug 10
13
AC ELECTRICAL CHARACTERISTICS (Continued)
1 BIT TIME
(1 OR 16 CLOCKS)
t
CILTXV
t
COLTXV
TxC
(INPUT)
TxD
TxC
(1X OUTPUT)
t
CILTXV
t
COLTXV
TxC
(INPUT)
TxD
TxC
(1X OUTPUT)
t
CILTXV
t
COLTXV
a. Transmit Timing NRZ b. Transmit Timing FM0/1, Manchester Encoding
SD00244
Figure 10.
LIMITS
Min Max
TxC input LOW (1X) to TxD output – 120 ns
CILTXV
TxC input LOW (16X) to TxD output – 120 ns
TxC output LOW to TxD output
9
(NRZ, NRZI) – 20 ns
FM, MAN – 30 ns
*Characterized with no loads on TxD and TxC outputs. Tester load is approximately 50 pF.
t
RCHSOL
t
SILRCH
t
RCHSIH
t
RXVRCH
t
RCHRXI
SYNOUTN
SYNIN
RXC (1X)
INPUT
RxD
t
RXVRCH
RXC
(INPUT)
RxD
t
RCHRXI
t
RCHRXI
t
RXVRCH
a. Receive Timing NRZ b. Receive Timing FM0/1, Manchester Encoding
SD00245
Figure 11.
LIMITS
Min Max
t
RXVRCH
RxD data valid to RxC HIGH:
For NRZ data 20 – ns
For NRZI, Manchester, FM0, FM1 data 30 – ns
t
RCHRXI
RxC HIGH to RxD data invalid:
For NRZ data 20 – ns
For NRZI, Manchester, FM0, FM1 data 30 – ns
t
SILRCH
SYNIN LOW to RxC HIGH 50 – ns
t
RCHSIH
RxC HIGH to SYNIN HIGH 20 – ns
t
RCHSOL
RxC HIGH to SYNOUT LOW – 100 ns
