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HT45R38 参数 Datasheet PDF下载

HT45R38图片预览
型号: HT45R38
PDF下载: 下载PDF文件 查看货源
内容描述: C / R键F型8位OTP MCU [C/R to F Type 8-Bit OTP MCU]
分类和应用:
文件页数/大小: 49 页 / 347 K
品牌: HOLTEK [ HOLTEK SEMICONDUCTOR INC ]
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HT45R38  
Pin Name  
VSS  
I/O  
¾
¾
¾
¾
Options  
Description  
Negative power supply, ground  
¾
¾
¾
¾
VSSC  
VDD  
Negative power supply for PC, ground  
Positive power supply  
VDDB  
Positive power supply PB  
OSC1, OSC2 are connected to an RC network or Crystal determined by a  
configuration option, for the internal system clock. In the case of the RC os-  
cillator, OSC2 can be used to monitor the system clock. Its frequency is 1/4  
system clock.  
OSC1  
OSC2  
I
Crystal or RC  
O
Note: *All pull-high resistors are controlled by an option bit.  
Absolute Maximum Ratings  
Supply Voltage...........................VSS-0.3V to VSS+6.0V  
Input Voltage..............................VSS-0.3V to VDD+0.3V  
Storage Temperature............................-50°C to 125°C  
Operating Temperature...........................-40°C to 85°C  
IOH Total............................................................-200mA  
I
OL Total ..............................................................300mA  
Total Power Dissipation .....................................500mW  
Note: These are stress ratings only. Stresses exceeding the range specified under ²Absolute Maximum Ratings² may  
cause substantial damage to the device. Functional operation of this device at other conditions beyond those listed  
in the specification is not implied and prolonged exposure to extreme conditions may affect device reliability.  
D.C. Characteristics  
Ta=25°C  
Test Conditions  
Conditions  
Symbol  
Parameter  
Min.  
Typ.  
Max.  
Unit  
VDD  
f
f
SYS=4MHz  
2.2  
3.3  
¾
5.5  
5.5  
2
V
V
¾
¾
1
VDD  
Operating Voltage  
¾
SYS=8MHz  
3V  
5V  
mA  
mA  
Operating Current  
IDD1  
IDD2  
ISTB1  
No load, fSYS=4MHz  
No load, fSYS=8MHz  
No load, system HALT  
(Crystal OSC, RC OSC)  
3
5
¾
Operating Current  
5V  
4
8
mA  
¾
(Crystal OSC, RC OSC)  
3V  
5V  
3V  
5V  
5
10  
1
¾
¾
¾
¾
¾
¾
¾
¾
mA  
mA  
mA  
mA  
Standby Current (WDT Enabled)  
Standby Current (WDT Disabled)  
ISTB2  
No load, system HALT  
2
Input Low Voltage for I/O Ports,  
TMR0, TMR1, INT0 and INT1  
VIL1  
0.3VDD  
VDD  
0
V
V
¾
¾
¾
¾
¾
¾
Input High Voltage for I/O Ports,  
TMR0, TMR1, INT0 and INT1  
VIH1  
0.7VDD  
VIL2  
0.4VDD  
VDD  
3.3  
¾
Input Low Voltage (RES)  
Input High Voltage (RES)  
Low Voltage Reset  
0
0.9VDD  
2.7  
4
V
¾
¾
¾
¾
¾
¾
VIH2  
VLVR  
V
LVRenabled  
3.0  
8
V
¾
3V  
5V  
3V  
5V  
mA  
mA  
mA  
mA  
PA, PB, PE, RREF and CREF  
Sink Current  
IOL1  
VOL=0.1VDD  
VOH=0.9VDD  
10  
20  
-4  
-10  
¾
-2  
¾
PA, PC, PE, RREF and CREF  
Source Current  
IOH1  
-5  
¾
Rev. 1.00  
4
December 13, 2006