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HT68FU50 数据表(PDF) 23 Page - Holtek Semiconductor Inc

部件名 HT68FU50
功能描述  Enhanced I/O Flash Type MCU with EEPROM
PDF  244 Pages
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制造商  HOLTEK [Holtek Semiconductor Inc]
网页  http://www.holtek.com
标志 HOLTEK - Holtek Semiconductor Inc

HT68FU50 数据表(HTML) 23 Page - Holtek Semiconductor Inc

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background image
Symbol
Parameter
Test Conditions
Min.
Typ.
Max.
Unit
VDD
Conditions
fLIRC
System Clock (LIRC)
5V
Ta=25
°C
-10%
32
+10%
kHz
2.2V~
5.5V
Ta=
-40°C~+85°C
-50%
32
+60%
kHz
fTIMER
Timer Input Pin Frequency
¾¾
¾
¾
1
fSYS
tRES
External Reset Low Pulse Width
¾¾
1
¾¾
ms
tINT
Interrupt Pulse Width
¾¾
1
¾¾
tSYS
tLVR
Low Voltage Width to Reset
¾¾
120
240
480
ms
tLVD
Low Voltage Width to Interrupt
¾¾
20
45
90
ms
tLVDS
LVDO stable time
¾¾
15
¾¾
ms
tBGS
VBG Turn on Stable Time
¾¾
200
¾¾
ms
tEERD
EEPROM Read Time
¾¾
¾
45
90
ms
tEEWR
EEPROM Write Time
¾¾
¾
24
ms
tSST
System Start-up Timer Period
(Wake-up from HALT)
¾
fSYS=HXT or LXT
¾
1024
¾
tSYS
fSYS=ERC or HIRC
¾
15~16
¾
fSYS=LIRC OSC
¾
1~2
¾
Note:
1. tSYS=1/fSYS
2. * For fERC, as the resistor tolerance will influence the frequency a precision resistor is recommended.
3. To maintain the accuracy of the internal HIRC oscillator frequency, a 0.1
mF decoupling capacitor should be
connected between VDD and VSS and located as close to the device as possible.
Comparator Electrical Characteristics
Ta=25
°C
Symbol
Parameter
Test Conditions
Min.
Typ.
Max.
Unit
VDD
Conditions
VCMP
Comparator Operating Voltage
¾¾
2.2
¾
5.5
V
ICMP
Comparator Operating Current
3V
¾¾
37
56
mA
5V
¾¾
130
200
mA
VCMPOS
Comparator Input Offset Voltage
¾¾
-10
¾
10
mV
VHYS
Hysteresis Width
¾¾
20
40
60
mV
VCM
Comparator Common Mode
Voltage Range
¾¾
VSS
¾
VDD
-1.4V
V
AOL
Comparator Open Loop Gain
¾¾
60
80
¾
dB
tPD
Comparator Response Time
¾
With 100mV
overdrive (Note)
¾
370
560
ns
Note:
Measured with comparator one input pin at VCM =(VDD
-1.4)/2 while the other pin input transition from VSS to
(VCM +100mV) or from VDD to (VCM -100mV).
HT68F20/HT68F30/HT68F40/HT68F50/HT68F60
HT68FU30/HT68FU40/HT68FU50/HT68FU60
Rev. 1.50
23
March 15, 2011
Ta=25
°C



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