参数资料
型号: SP507CM-L
厂商: Exar Corporation
文件页数: 10/28页
文件大小: 0K
描述: IC TXRX WAN MULTI-MODE 80LQFP
标准包装: 84
类型: 收发器
驱动器/接收器数: 7/7
规程: 多协议
电源电压: 5V
安装类型: 表面贴装
封装/外壳: 80-LQFP
供应商设备封装: 80-LQFP(14x14)
包装: 托盘
18
SP507_100_081208
SP507 Multi–Mode Serial Transceiver
Copyright 2008 Exar Corporation
RD(a) 70
RxD 1
RD(b) 71
CS(a) 66
CTS 80
CS(b) 67
DM(a) 68
DSR 78
DM(b) 69
DTE_ST 79
SCTEN
7
SCT(b)
77
14 TxD
61 SD(a)
59 SD(b)
22 DCE_ST
42 ST(a)
44 ST(b)
23 STEN
15 TxCE
63 TT(a)
65 TT(b)
6
TTEN
13 DTR
58 TR(a)
56 TR(b)
16 RTS
54 RS(a)
52 RS(b)
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
M2 10
M1 11
M0 12
MODE
X
Charge Pump
A — Receiver Tri-State circuitry
V.11, & V.35 termination
resistor circuitry (RxD,
RxC & DTE_ST)
.
B — Driver Tr-State circuitry &
V.35 Termination circuitry
(TxD, TxCE & DCE_ST)
SP507
(SEE PINOUT ASSIGNMENTS FOR GROUND PINS)
8
DECODER
LATCH
(SEE PINOUT FOR V
CC PINS)
RR(a) 35
DCD 19
RREN
3
RR(b) 36
RT (a)
37
RxC 20
RTEN 2
RT(b) 38
A
TM(a) 39
TM
21
TMEN
4
TM(b) 40
B
SCT(a) 76
9 TERM_OFF
Figure 45. Typical Operating Circuit
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