ht82k70e-l Holtek Semiconductor Inc., ht82k70e-l Datasheet - Page 5

• Manufacturer Part Number: ht82k70e-l
• Description: I/o Type 8-bit Otp Mcu
• Manufacturer: Holtek Semiconductor Inc.

A.C. Characteristics
Note:
D.C. - A.C. Power-on Reset Characteristics
Rev. 1.00
f
f
f
t
t
t
t
I
RSR
V
t
SYS
RCSYS
SPI
WDT
RES
CONFIGURE
OST
POR
POR
Symbol
POR_MAX
Symbol
POR
t
t
SYS
RCSYS
=1/f
System Clock (Crystal OSC)
Watchdog OSC with 6-stage
Prescaler Period
SPI Clock
Watchdog Time-out Period
(WDT OSC)
External Reset Low Pulse Width
System Start-up Timer Period
Oscillation Start-up Timer Period
Operating Current
VDD Rise Rate to Ensure
Power-on Reset
Maximum V
Ensure Power-on Reset
Power-on Reset Low Pulse Width
=1/f
SYS
RCSYS
Parameter
Parameter
DD
Start Voltage to
1.8V~
V
5.5V
3V
3V
V
DD
DD
1.8V~5.5V
3.3V~5.5V
WDTS=1
Test Conditions
Test Conditions
Without 0.1 F between
VDD and VSS
Ta=25 C, Without 0.1 F
between VDD and VSS
Without 0.1 F between
VDD and VSS
With 0.1 F between
VDD and VSS
5
Conditions
Conditions
HT82K70E-L/HT82K76E-L
f
SYS
Min.
Min.
0.05
400
400
0.9
10
1
2
/64
1024
Typ.
4.57
Typ.
512
71
September 15, 2009
Max.
4000
8000
Max.
f
0.7
1.5
SYS
Ta=25 C
Ta=25 C
t
V/ms
Unit
RCSYS
Unit
kHz
kHz
t
ms
ms
SYS
V
A
s
s
s