參數(shù)資料
型號： ST72T141K2M3XXX
廠商： STMICROELECTRONICS
元件分類： 微控制器/微處理器
英文描述： 8-BIT, OTPROM, 8 MHz, MICROCONTROLLER, PDSO34
封裝： 0.300 INCH, PLASTIC, SO-34
文件頁數(shù)： 26/132頁
文件大?。?/td> 1494K
代理商： ST72T141K2M3XXX
ST72141K
121/132
10.6 SUPPLY, RESET AND CLOCK CHARACTERISTICS
10.6.1 Supply Manager
Recommended operating conditions with TA=-40 to +125
oC and voltages referred to V
SS.
10.6.2 RESET Sequence Manager
Recommended operating conditions with TA=-40...+125
oC and 4.5V<V
DD-VSS<5.5V.
10.6.3 Clock System
Recommended operating conditions with TA=-40 to +125
oC and voltages referred to V
SS.
Notes:
1) LVD typical data is based on TA=25°C. This data is provided only as design guidelines and are not tested.
2) The VLVDhyst hysteresis is constant.
3) The VDD rise time rate condition is needed to ensure a correct device power-on reset. Not tested in production.
4) Data based on characterization results, not tested in production.
5) Unless otherwise specified, typical data is based on TA=25°C and VDD-VSS=5V. This data is provided only as design
guidelines and is not tested.
6) This data is based on typical a RSmax value. The oscillator selection can be optimized in terms of supply current with
a high quality resonator.
7) RSmax is the equivalent serial resistor of the crystal or ceramic resonator.
8) Data based on design simulations and/or technology characteristics, not tested in production.
LOW VOLTAGE DETECTOR (LVD)
Symbol
Parameter
Conditions
Min
Typ 1)
Max
Unit
VLVDr
Reset release threshold
VDD rise
4.05
4.30
V
VLVDf
Reset generation threshold
VDD fall
3.5
3.75
4.0
VLVDhyst
VLVD Hysteresis
2)
VLVDr - VLVDf
250
mV
VtPOR
VDD rise time rate
3)
0.2
50
V/ms
IDD
LVD Supply Current
HALT mode
100
2004)
A
RESET SEQUENCE MANAGER (RSM)
Symbol
Parameter
Conditions
Min
Typ 5)
Max
Unit
RON
Reset weak pull-up resistance
VIN > VIH
VIN ≥VSS
5
20
10
80
20
180
k
tDELAYmin
Reset delay for external and
watchdog reset sources
6
30
1/fSFOSC
s
tPULSE
External RESET pin Pulse time
20
s
EXTERNAL CLOCK SOURCE
Symbol
Parameter
Conditions
Min
Typ
Max
Unit
VOSC2h
OSC2 input pin high level voltage
Square wave signal
with ~50% Duty Cycle
0.7xVDD
VDD
V
VOSC2l
OSC2 input pin low level voltage
VSS
0.3xVDD
CRYSTAL AND CERAMIC RESONATOR OSCILLATORS
Symbol
Parameter
Conditions
Min
Typ 5)
Max
Unit
fOSC
Oscillator Frequency 6)
816
MHz
CLi
Load Capacitor
RSmax=100
7)
15 8)
18
21 6)
pF
IDD
Supply Current
700
1100 4)
A
tSTART
Oscillator start-up time
Depends on resonator quality. A typical value is 10ms
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
ST72T141K2M6 功能描述:8位微控制器 -MCU OTP EPROM 8K SPI RoHS:否 制造商:Silicon Labs 核心:8051 處理器系列:C8051F39x 數(shù)據(jù)總線寬度:8 bit 最大時鐘頻率:50 MHz 程序存儲器大小:16 KB 數(shù)據(jù) RAM 大小:1 KB 片上 ADC:Yes 工作電源電壓:1.8 V to 3.6 V 工作溫度范圍:- 40 C to + 105 C 封裝 / 箱體:QFN-20 安裝風(fēng)格:SMD/SMT
ST72T212G2B6 功能描述:8位微控制器 -MCU OTP EPROM 8K SPI RoHS:否 制造商:Silicon Labs 核心:8051 處理器系列:C8051F39x 數(shù)據(jù)總線寬度:8 bit 最大時鐘頻率:50 MHz 程序存儲器大小:16 KB 數(shù)據(jù) RAM 大小:1 KB 片上 ADC:Yes 工作電源電壓:1.8 V to 3.6 V 工作溫度范圍:- 40 C to + 105 C 封裝 / 箱體:QFN-20 安裝風(fēng)格:SMD/SMT
ST72T212G2M6 功能描述:8位微控制器 -MCU OTP EPROM 8K SPI RoHS:否 制造商:Silicon Labs 核心:8051 處理器系列:C8051F39x 數(shù)據(jù)總線寬度:8 bit 最大時鐘頻率:50 MHz 程序存儲器大小:16 KB 數(shù)據(jù) RAM 大小:1 KB 片上 ADC:Yes 工作電源電壓:1.8 V to 3.6 V 工作溫度范圍:- 40 C to + 105 C 封裝 / 箱體:QFN-20 安裝風(fēng)格:SMD/SMT
ST72T213G1B6 功能描述:8位微控制器 -MCU OTP EPROM 4K SPI RoHS:否 制造商:Silicon Labs 核心:8051 處理器系列:C8051F39x 數(shù)據(jù)總線寬度:8 bit 最大時鐘頻率:50 MHz 程序存儲器大小:16 KB 數(shù)據(jù) RAM 大小:1 KB 片上 ADC:Yes 工作電源電壓:1.8 V to 3.6 V 工作溫度范圍:- 40 C to + 105 C 封裝 / 箱體:QFN-20 安裝風(fēng)格:SMD/SMT
ST72T213G1M6 功能描述:8位微控制器 -MCU OTP EPROM 4K SPI RoHS:否 制造商:Silicon Labs 核心:8051 處理器系列:C8051F39x 數(shù)據(jù)總線寬度:8 bit 最大時鐘頻率:50 MHz 程序存儲器大小:16 KB 數(shù)據(jù) RAM 大小:1 KB 片上 ADC:Yes 工作電源電壓:1.8 V to 3.6 V 工作溫度范圍:- 40 C to + 105 C 封裝 / 箱體:QFN-20 安裝風(fēng)格:SMD/SMT
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