SP510E Datasheet, PDF (12/43 Pages) Exar Corporation – ULTRA HIGH SPEED MULTIPROTOCOL TRANSCEIVER

SP510E
ULTRA HIGH SPEED MULTIPROTOCOL TRANSCEIVER
TABLE 3: PIN DESCRIPTIONS BY FUNCTION
PIN NAME
PIN NUMBER I/O
DESCRIPTION
REV. 1.0.1
DIFFERENTIAL DRIVERS
TxD
28
I
TTL TxD Driver Input
SD(b) / SD(a)
100, 97
O
TTL Differential Transmit data non-inverting (b) and inverting (a)
outputs
V35TGND1
99
I
SD Termination Reference
SDEN
3
I
TTL TxD Driver Enable
TxCE
29
I
TTL TxCE Driver Input
TT(b) / TT(a)
95, 92
O
TTL Differential TxCE non-inverting (b) and inverting (a) outputs
V35TGND2
94
I
TT Termination Reference
TTEN
4
I
TTL TxCE Driver Enable
ST
30
I
TTL ST Driver Input
ST(b) / ST(a)
90, 87
O
TTL Differential ST non-inverting (b) and inverting (a) outputs
V35TGND3
89
I
ST Termination Reference
STEN
5
I
TTL ST Driver Enable
RTS
31
I
TTL RTS Driver Input
RS(b) / RS(a)
85, 83
O
TTL
Differential RTS non-inverting (b) and inverting (a) outputs
RSEN
6
I
TTL RTS Driver Enable
DTR
32
I
TTL DTR Driver Input
TR(b) / TR(a)
78, 75
O
TTL Differential DTR non-inverting (b) and inverting (a) outputs
TREN
7
I
TTL DTR Driver Enable
DCD_DCE
33
I
TTL DCD_DCE Driver Input
RRC(b) / RRC(a)
79, 81
O
TTL Differential DCD non-inverting (b) and inverting (a) outputs
RRCEN
8
I
TTL DCD Driver Enable
SINGLE ENDED DRIVERS
RL
34
RL(a)
65
RLEN
9
LL
35
LL(a)
63
LLEN#
10
I
TTL RL Driver Input
O
TTL RL Driver Output
I
TTL RL Driver Enable
I
TTL LL Driver Input
O
TTL LL Driver Output
I
TTL LL Driver Enable, active low
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