收藏本站
参数资料
型号： TMS3637P
厂商： TEXAS INSTRUMENTS INC
元件分类： 摇控器
英文描述： INFRARED, TRANSMITTER/RECEIVER IC, PDIP8
封装： PLASTIC, DIP-8
文件页数： 44/54页
文件大小： 384K
代理商： TMS3637P
6–18
6.8
TMS3637 Programming Station Parts Lists
Table 6–8 contains a listing of the parts that compose the TMS3637 programming stations (see Figure 6–9
for a schematic).
Table 6–8. TMS3637 Programming Station Parts List
PART
DESCRIPTION
FUNCTION
R1
Resistor, 1 k
,, 1/4 watt
R1 is an isolation resistor
R2
Resistor, 1 k
,, 1/4 watt
With C1 and R4, R2 sets U8 discharge time
R4
Resistor, 1 k
,, 1/4 watt
With C1, R2 sets U8 threshold level
R5
Resistor, 1 k
,, 1/4 watt
R5 is the output pullup resistor for U8
R6
Resistor, 1 k
,, 1/4 watt
With C3, R6 sets time constant for U5 CLR
terminal
R7
Resistor, 1 k
,, 1/4 watt
With C4, R7 sets time constant for U5 CERT
terminal
R8
Resistor, 1 k
,, 1/4 watt
R8 couples U5 dc output to base of Q2
R9
Resistor, 1 k
,, 1/4 watt
R9 is the load resistor for Q2
R10
Resistor, 1 k
,, 1/4 watt
With C5, R10 sets programming pulse ramp time
R11
Resistor, 1 k
,, 1/4 watt
R11 is the output pullup resistor for U14
R12 – R21
Resistor, 1 k
,, 1/4 watt
R12 – R21 are load resistors for the shift register
data input
RN1 – RN3
Resistor, 10 k
,, 1/4-watt 16-Pin DIP
RN1 – RN3 are Load resistors for the shift
register data
C1
Ceramic Capacitor, 0.01-
F
With R4, C1 sets U8 threshold level
C2
Ceramic Capacitor, 0.1-
F
C2 sets control voltage level on U8
C3
Electrolytic Capacitor, 0.22-
F
With R6, C3 prevents generation of program
pulse during initial power up
C4
Electrolytic Capacitor, 0.47-
F
With R7, C4 sets time constant for U5 CEXT
terminal
C5
Ceramic Capacitor, 0.1-
F
C5 couples high voltage programming pulse to
OSCC
C6
Electrolytic Capacitor, 1-
F
C6 is +5-V supply filter capacitor
C7 – C19
Ceramic Capacitor, 0.01-
F
C7 – C15 are bypass capacitors
U1
TI SN74LS279
Quadruple S-R Latches
The U1 latch acts as debouncer during reset
U2
TI SN74HC74
Dual D-Type
Positive-Edge-Triggered
Flip-Flops with Clear and Preset
U2 enables U3 to pass the 8-kHz clock
U3
TI SN74HC21
Dual 4-Input Positive-AND Gates
U3 is an 8-kHz gate to shift register and to U6
U4
TI SN7404
Hex Inverters
U4 is a buffer and inverter
U5
TI SN74LS123
Retriggerable Monostable
Multivibrators
U5 is a one-shot timer; its output enables
EEPROM programming pulse from Q1 and Q2
U6
TI SN47HC393
Dual 4-Bit Binary Counters
U6 is a dual binary 4-bit sequential counter
U7
TI SN74HC682
8-Bit Magnitude Counter
Comparators
U7 outputs low when the count reaches 35 clock
pulses as set by Q inputs
U8
TI TLC555I
Astable/Monostable Timer
U8 is a free-running timer (astable at 8 kHz)
U9 – U13
TI SN74HC165
Parallel-Load 8-Bit Shift Registers
U3 – U13 shift programming data into the
TMS3637
相关PDF资料
PDF描述
TMS3637DR INFRARED, TRANSMITTER/RECEIVER IC, PDSO8
TMS3637D INFRARED, TRANSMITTER/RECEIVER IC, PDSO8
TMS57014ADWBLE DUAL, SERIAL INPUT LOADING, 18-BIT DAC, PDSO28
TMX320C6474ZUN SPECIALTY CONSUMER CIRCUIT, PBGA561
TN5D01A 5 A SWITCHING REGULATOR, 180 kHz SWITCHING FREQ-MAX, ZFM5
相关代理商/技术参数
参数描述
TMS3705A1DRG4 功能描述:RFID应答器 Transponder base station IC RoHS:否 制造商:Murata 存储容量:512 bit 工作温度范围:- 40 C to + 85 C 安装风格:SMD/SMT 封装 / 箱体: 封装:Reel
TMS3705ADR 制造商:Rochester Electronics LLC 功能描述:- Bulk
TMS3705BDRG4 功能描述:RFID应答器 LF Reader IC RoHS:否 制造商:Murata 存储容量:512 bit 工作温度范围:- 40 C to + 85 C 安装风格:SMD/SMT 封装 / 箱体: 封装:Reel
TMS3705DDRQ1 功能描述:IC RFID BASE STATION LF 16SOIC 制造商:texas instruments 系列:- 包装:剪切带（CT） 零件状态:在售 类型:RFID 阅读器 频率:134.2kHz 标准:- 接口:- 电压 - 电源:5V 工作温度:-40°C ~ 85°C 封装/外壳:16-SOIC（0.154"，3.90mm 宽） 供应商器件封装:16-SOIC 标准包装:1
TMS3705DR 制造商:Rochester Electronics LLC 功能描述:- Bulk 制造商:Texas Instruments 功能描述:
发布紧急采购，3分钟左右您将得到回复。

采购需求

(若只采购一条型号，填写一行即可)

发布成功！您可以继续发布采购。也可以进入我的后台，查看报价

发布成功！您可以继续发布采购。也可以进入我的后台，查看报价

*型号 *数量 厂商 批号 封装
添加更多采购

我的联系方式

*
*
*