
7
ExarCorporation48720KatoRoad,FremontCA,9453850-668-707www.exar.comSP509_00_06080
OThERACChARACTERISTICS(Continued)
VCC 1
GND 2
SDEN 3
TTEN 4
STEN 5
RSEN 6
TREN 7
RRCEN 8
RLEN 9
LLEN 10
RDEN 11
RTEN 12
TXCEN 13
CSEN 14
DMEN 15
RRTEN 16
ICEN 17
TMEN 18
D0 19
D1 20
D2 21
TERM_OFF 22
D_LATCH 23
N/C 24
GND 25
VCC
26
LOOPBA
CK
27
TXD
28
TXCE
29
ST
30
R
TS
31
DTR
32
DCD_DCE
33
RL
34
LL
35
RXD
36
RXC
37
TXC
38
CTS
39
DSR
40
DCD_DTE
41
RI
42
TM
43
GND
44
VCC
45
V35RGND
46
RD(b)
47
RD(a)
48
R
T(b)
49
R
T(a)
50
75 TR(a)
74 GND
73 VDD
72 C1+
71 VCC
70 C2+
69 C1-
68 GND
67 C2-
66 VSS
65 RL(a)
64 VCC
63 LL(a)
62 TM(a)
61 IC(a)
60 RRT(a)
59 RRT(b)
58 V10GND
57 DM(a)
56 DM(b)
55 CS(a)
54 CS(b)
53 TXC(a)
52 GND
51 TXC(b)
100
SD(b)
99
V35TGND1
98
VCC
97
SD(a)
96
GND
95
TT(b)
94
V35TGND2
93
VCC
92
TT(a)
91
GND
90
ST(b)
89
V35TGND3
88
VCC
87
ST(a)
86
GND
85
RS(b)
84
VCC
83
RS(a)
82
GND
81
RRC(a)
80
VCC
79
RRC(b)
78
TR(b)
77
VCC
76
N/
C
SP509
PINOUT00PINLQFP