參數(shù)資料
型號(hào): MC33990D
廠商: Freescale Semiconductor
文件頁(yè)數(shù): 10/16頁(yè)
文件大?。?/td> 0K
描述: IC TRANSCEIVER J-1850 BUS 8-SOIC
標(biāo)準(zhǔn)包裝: 98
類型: 收發(fā)器
驅(qū)動(dòng)器/接收器數(shù): 1/1
電源電壓: 9 V ~ 16 V
安裝類型: 表面貼裝
封裝/外殼: 8-SOIC(0.154",3.90mm 寬)
供應(yīng)商設(shè)備封裝: 8-SOICN
包裝: 管件
Analog Integrated Circuit Device Data
Freescale Semiconductor
3
33990
PIN CONNECTIONS
PIN CONNECTIONS
Figure 3. 33990 Pin Connections
Table 1. 33990 Pin Definitions
Pin Number
Pin Name
Definition
1
SLEEP
Enables the transceiver when Logic 1 and disables the transceiver when Logic 0.
2
GND
Device ground pin.
3
LOAD
Accommodates an external pull-down resistor to ground to provide loss of ground protection.
4
BUS
Waveshaped SAE Standard J-1850 Class B transmitter output and receiver input.
5
V
BAT
Provides device operating input power.
6
4X/LOOP
Tristate input mode control; Logic 0 = normal waveshaping, Logic 1 = waveshaping disabled for 4X
transmitting, high impedance = loopback mode.
7
TX
Serial data input (DI) from the microcontroller to be transmitted onto Bus.
8
RX
Bus received serial data output (DO) sent to the microcontroller.
2
3
4
8
7
6
5
11
2
4
3
8
7
5
6
RX
TX
V
BAT
4X/LOOP
SLEEP
GND
LOAD
BUS
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