参数资料
| 型号： | SP504MCM-L |
| 厂商： | Exar Corporation |
| 文件页数： | 5/32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 |
| 其它名称： | 1016-1682 SP504MCM-L-ND |
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Exar Corporation 48720 Kato Road, Fremont CA, 94538 50-668-707 www.exar.com
SP504_02_2708
3
Exar Corporation 48720 Kato Road, Fremont CA, 94538 50-668-707 www.exar.com
SP504_02_2708
Exar Corporation 48720 Kato Road, Fremont CA, 94538 50-668-707 www.exar.com
SP504_02_2708
Pin 40 — IC(b)— Incoming Call; analog
input,non-inverted; source for RI.
Pin45—RL(b)—RemoteLoopback;analog
output, non-inverted; sourced from RL.
Pin47—RL(a) —RemoteLoopback;analog
output inverted; sourced from RL.
Pin 49— LL(b) — Local Loopback; analog
output, non-inverted; sourced from LL.
Pin 51 — LL(a) — Local Loopback; analog
output, inverted; sourced from LL.
Pin 52 — RS(b) — Ready To Send; analog
output, non-inverted; sourced from RTS.
Pin 54 — RS(a) — Ready To Send; analog
output, inverted; sourced from RTS.
Pin 56 — TR(b) — Terminal Ready; analog
output, non-inverted; sourced from DTR.
Pin 58 — TR(a) — Terminal Ready; analog
output, inverted; sourced from DTR.
Pin 66 — CS(a)— Clear To Send; analog
input, inverted; source for CTS.
Pin 67 — CS(b)— Clear To Send; analog
input, non-inverted; source for CTS.
Pin 68 — DM(a)— Data Mode; analog input,
inverted; source for DSR.
Pin 69 — DM(b)— Data Mode; analog input,
non-inverted; source for DSR
Pin78—DSR—DataSetReady;TTLoutput;
sourced from DM(a), DM(b) inputs.
Pin 80 — CTS— Clear To Send; TTLoutput;
sourced from CS(a) and CS(b) inputs.
CONTROL REGISTERS
Pins 2–5 — RDEC
0 – RDEC3 — Receiver
decode register; configures receiver modes;
TTL inputs.
Pin 6 — TTEN — Enables TT driver, active
low; TTL input.
Pin 7 — SCTEN — Enables SCT receiver;
active high; TTL input.
Pins 2–9 — TDEC
0 – TDEC3 — Transmit-
ter decode register; configures transmitter
modes; TTL inputs.
Pin 23 — STEN — Enables ST driver; active
low; TTL input.
POWER SUPPLIES
Pins 25, 33, 4, 48, 55, 62, 73, 74 — V
CC
— +5V input.
Pins 29, 34, 43, 46, 50, 53, 57, 60, 64, 72,
75 — GND — Ground.
Pin 27 — V
DD +0V Charge Pump Capacitor
— Connects from V
DD to VCC. Suggested
capacitor size is 22F, 6V.
Pin 32 — V
SS –0V Charge Pump Capacitor
— Connects from ground to V
SS. Suggested
capacitor size is 22F, 6V.
Pins 26 and 30 — C
+
and C
–
— Charge
PumpCapacitor —ConnectsfromC
+
toC
–
.
Suggested capacitor size is 22F, 6V.
Pins 28 and 3 — C
2
+
and C
2
–
— Charge
PumpCapacitor —ConnectsfromC
2
+
toC
2
–
.
Suggested capacitor size is 22F, 6V.
NOTE: NC pins should be left floating; in-
ternal signals may be present.
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