參數(shù)資料
型號(hào): SP505BCM-L
廠商: Exar Corporation
文件頁數(shù): 17/35頁
文件大?。?/td> 0K
描述: IC TXRX WAN MULTI-MODE 80LQFP
標(biāo)準(zhǔn)包裝: 84
類型: 收發(fā)器
驅(qū)動(dòng)器/接收器數(shù): 7/7
規(guī)程: 多協(xié)議
電源電壓: 5V
安裝類型: 表面貼裝
封裝/外殼: 80-LQFP
供應(yīng)商設(shè)備封裝: 80-LQFP(14x14)
包裝: 托盤
24
Exar Coporation 48720 Kato Road, Fremont CA, 94538 (50) 668-7000 Fax (50) 668-707 www.exar.com
SP505_00_08308
Figure 52. SP505 Typical Operating Circuit
RD(a) 70
RxD 1
RD(b) 71
RT(a) 37
RxC 20
RT(b) 38
CS(a) 66
CTS 80
CS(b) 67
DM(a) 68
DSR 78
DM (b) 69
RR(a) 35
DCD 19
RR(b) 36
IC(a) 39
RI 21
IC(b) 40
SCT(a) 76
SCT 79
SCTEN 7
SCT(b) 77
14 TxD
61 SD(a)
59 SD(b)
2 SDEN
22 ST
42 ST(a)
44 ST(b)
23 STEN
15 TxC
63 TT(a)
65 TT(b)
6 TTEN
13 DTR
58 TR(a)
56 TR(b)
3 TREN
16 RTS
54 RS(a)
52 RS(b)
4 RSEN
17 RL
47 RL(a)
45 RL(b)
18 RLEN
24 LL
51 LL(a)
49 LL(b)
5 LLEN
22F
1N5819
VCC
VDD
C1-
C2-
VSS
C1+
C2+
22F
+5V
10F
27
25
26
31
28
30
22F
32
9
10
11
12
MODE
X
0
1
0
RS-422 Mode
Input Word
A
B
Charge Pump
A— Receiver Tr-State circuitry
V.11 & V.35 termination
resistor circuitry (RxD,
RxC & SCT)
.
B — Driver Tri-State circuitry &
V.35 Termination circuitry
(TxD, TxC & ST)
.
SP505
(SEE PINOUT ASSIGNMENTS FOR GROUND PINS)
8
DECODER
LATCH
(SEE PINOUT FOR V
CC PINS)
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