参数资料
型号: SCC68681E1A44,512
厂商: NXP Semiconductors
文件页数: 17/29页
文件大小: 0K
描述: IC DUART 44PLCC
标准包装: 26
特点: 故障启动位检测
通道数: 2,DUART
FIFO's: 3 位
电源电压: 5V
带自动流量控制功能:
带故障启动位检测功能:
带CMOS:
安装类型: 表面贴装
封装/外壳: 44-LCC(J 形引线)
供应商设备封装: 44-PLCC
包装: 管件
其它名称: 935274496512
SCC68681E1A44
SCC68681E1A44-ND
Philips Semiconductors
Product data
SCC68681
Dual asynchronous receiver/transmitter (DUART)
2004 Apr 06
24
X1/CLK
CTCLK
RxC
TxC
tCLK
tCTC
tRx
tTx
tCLK
tCTC
tRx
tTx
+5 V
R1
1 k
X1
X2
C1 = C2 = 24 pF FOR CL = 20 pF
X1
X2
3.6864 MHz
3 pF
4 pF
50 TO
150 k
TO INTERNAL CLOCK DRIVERS
SCC68681
NOTE:
C1 AND C2 SHOULD BE BASED ON MANUFACTURER’S SPECIFICATION. PARASITIC CAPACITANCE SHOULD BE
INCLUDED WITH C1 AND C2. R1 IS ONLY REQUIRED IF U1 WILL NOT DRIVE TO X1 INPUT LEVELS
TYPICAL CRYSTAL SPECIFICATION
FREQUENCY:
2 – 4 MHz
LOAD CAPACITANCE (CL):
12 – 32 pF
TYPE OF OPERATION:
PARALLEL RESONANT, FUNDAMENTAL MODE
NC
SD00725
RESISTOR REQUIRED
WHEN U1 IS A TTL DEVICE
U1
Figure 8. Clock timing
NOTES:
1. INTRN or OP3 – OP7 when used as interrupt outputs.
2. The test for open drain outputs is intended to guarantee switching of the output transistor. Measurement of this response is referenced from the mid point of the switching signal, VM, to
a point 0.5 volts above VOL. This point represents noise margin that assures true switching has occurred. Beyond this level, the effects of external circuitry and test environment are
pronounced and can greatly affect the resultant measurement.
VM
VOL +0.5V
VOL
CSN
(READ OR
WRITE)
INTERRUPT1
OUTPUT
tIR
SD00116
Figure 9. Interrupt timing
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SCC68681E1A44-S 功能描述:UART 接口集成电路 RPLCMNT FOR SCN68681 RoHS:否 制造商:Texas Instruments 通道数量:2 数据速率:3 Mbps 电源电压-最大:3.6 V 电源电压-最小:2.7 V 电源电流:20 mA 最大工作温度:+ 85 C 最小工作温度:- 40 C 封装 / 箱体:LQFP-48 封装:Reel
SCC68681E1A44-T 功能描述:UART 接口集成电路 RPLCMNT FOR SCN68681 RoHS:否 制造商:Texas Instruments 通道数量:2 数据速率:3 Mbps 电源电压-最大:3.6 V 电源电压-最小:2.7 V 电源电流:20 mA 最大工作温度:+ 85 C 最小工作温度:- 40 C 封装 / 箱体:LQFP-48 封装:Reel
SCC68681E1N40 功能描述:UART 接口集成电路 RPLCMNT FOR SCN68681 RoHS:否 制造商:Texas Instruments 通道数量:2 数据速率:3 Mbps 电源电压-最大:3.6 V 电源电压-最小:2.7 V 电源电流:20 mA 最大工作温度:+ 85 C 最小工作温度:- 40 C 封装 / 箱体:LQFP-48 封装:Reel
SCC68681E1N40,112 功能描述:UART 接口集成电路 RPLCMNT FOR SCN68681 RoHS:否 制造商:Texas Instruments 通道数量:2 数据速率:3 Mbps 电源电压-最大:3.6 V 电源电压-最小:2.7 V 电源电流:20 mA 最大工作温度:+ 85 C 最小工作温度:- 40 C 封装 / 箱体:LQFP-48 封装:Reel
SCC68681E1N40112 制造商:NXP Semiconductors 功能描述:IC DUAL UART FIFO 115KBAUD 5.5V DIP40