ht82k72e Holtek Semiconductor Inc., ht82k72e Datasheet - Page 3

• Manufacturer Part Number: ht82k72e
• Description: Ht82k72e/ht82k72a -- One Channel Keyboard With R-f Type Mcu
• Manufacturer: Holtek Semiconductor Inc.

Absolute Maximum Ratings
Supply Voltage ...........................V
Input Voltage..............................V
I
Total Power Dissipation .....................................500mW
Note: These are stress ratings only. Stresses exceeding the range specified under Absolute Maximum Ratings may
D.C. Characteristics
Rev. 1.00
OL
VSS
RES
VDD
VSS_AMP
RF_OUT
VDD_AMP
V
I
I
I
I
V
V
V
V
V
V
I
I
I
I
R
R
DD1
DD2
STB1
STB2
OL1
OL2
OH1
OH2
Symbol
Pin Name
DD
IL1
IH1
IL2
IH2
LVD
LVR
PH1
PH2
Total ..............................................................150mA
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.
Operating Voltage
Operating Current (Crystal OSC)
Operating Current (Crystal OSC)
Standby Current (WDT Disabled,
LVD Period Option=000H)
Standby Current (WDT Enabled,
LVD Period Option=000H)
Input Low Voltage for I/O
(Schmitt Trigger)
Input High Voltage for I/O
(Schmitt Trigger)
Input Low Voltage (RES)
Input High Voltage (RES)
Low Voltage Detector Voltage
Low Voltage Reset
PC6 Sink Current
Other I/O Pins Sink Current
PC6 Source Current
Other I/O Pins Source Current
PC6 Internal Pull-high Resis-
tance
Other Pins Internal Pull-high Re-
sistance
I/O
O
I
I
I
Parameter
Options
SS
SS
0.3V to V
0.3V to V
Negative power supply, ground
Schmitt trigger reset input. Active low
Positive power supply
AMP GND
Internal Modulated RF Output
AMP power supply
DD
SS
V
3V
3V
3V
3V
3V
3V
3V
3V
3V
3V
3V
DD
+6.0V
+0.3V
No load, f
No load, f
ADC disable
No load, AMP ON,
f
No load, system HALT
No load, system HALT
Configuration option: 3V
V
V
V
V
SYS
OL
OL
OH
OH
Test Conditions
=0.1V
=0.1V
= 27MHz
=0.9V
=0.9V
3
Storage Temperature ............................ 50 C to 125 C
Operating Temperature........................... 40 C to 85 C
I
Conditions
OH
SYS
SYS
DD
DD
DD
DD
Total............................................................ 100mA
= 27MHz
= 27MHz
Description
HT82K72E/HT82K72A
0.7V
0.9V
Min.
2.1
15
10
10
2.5
2
0
0
4
3
DD
DD
Typ.
3.5
2.2
30
60
30
4.5
3
6
February 20, 2008
0.3V
0.3V
Max.
V
V
120
3.3
2.3
50
50
6
5
3
DD
DD
DD
DD
Ta=25 C
Unit
mA
mA
mA
mA
mA
mA
k
k
V
V
V
V
V
V
V
A
A