參數(shù)資料
型號(hào)： SP503CM-L
廠商： Exar Corporation
文件頁數(shù)： 19/28頁
文件大小： 0K
描述： IC TXRX MULTIPROTOCOL 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
SP503_101_101508
SP503 Multiprotocol Transceiver
Copyright 2008 Exar Corporation
26
EDGE
DUT PIN
CONNECTOR
DESCRIPTIONS
26
ST (pin 22) – TTL Input – Send Tim-
ing; source for ST(a) and ST(b) out-
puts. SP503 only.
27
STEN (pin 23) – TTL Input — Driver
enable control pin; active low. SP503
only,
28
SCT(a) (pin 76) – Analog Input – In-
verting; input for SCT receiver; SP503
only.
29
SCT(b) (pin 77) – Analog Input – Non–
inverting; input for SCT receiver.
SP503 only.
30
V
CC — +5V for all circuitry.
31
GND — signal and power ground.
32 LL(a) (pin 51) – Analog Out – Local
loopback, inverted; sourced from LL.
33
LL(b) (pin 49) – Analog Out – Local
loopback, non–inverted sourced from
LL.
34
RL(a) (pin 47) – Analog Out – Remote
loopback; inverted; sourced from RL.
35
RL(b) (pin 45) – Analog Out – Remote
loopback; non–inverted; sourced from
RL.
36
ST(b) (pin 44) – Analog Out – Send
timing, non–inverted; sourced from
TxC.
37
ST(a) (pin 42) – Analog Output –Send
timing, inverted; sourced from TxC.
38
IC(b) (pin 40) – Analog In – Incoming
call; non–inverted; source for Rl.
EDGE
DUT PIN
CONNECTOR
DESCRIPTIONS
39
IC(a) (pin 39) – Analog In – Incoming
call; inverted; source for Rl.
40
RT(b) (pin 38) – Analog In – Receive
timing, non–inverted; source for RxC.
41
RT(a) (pin 37) – Analog In – Receive
timing; inverted; source from RxC.
42
RR(b) (pin 36) – Analog In – Receiver
ready; non–inverted; source for DCD.
43
RR(a) (pin 35) – Analog In – Receiver
ready; inverted; source for DCD.
44
LL (pin 24) – TTL Input – Local
loopback; source for LL(a) and LL(b)
outputs.
45
Rl (pin 21) – TTL Output – Ring
indicator; sourced from IC(a) and IC(b)
inputs.
46
RxC (pin 20) – TTL Output – Receive
clock; sourced from RT(a) and RT(b)
inputs.
47
DCD (pin 19) – TTL Output – Data
carrier detect; sourced from RR(a) and
RR(b) inputs.
48
RL (pin 17) – Analog Out – Remote
loopback; source for RL(a) and RL(b)
outputs.
49
RTS (pin 16) – TTL Input – Ready to
send; source for RS(a) and RS(b) out-
puts.
50
TxC (pin 15) – TTL Input – Transmit
clock; source for TT(A) and TT(B)
outputs.
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