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HT82K74E Datasheet(PDF) 5 Page - Holtek Semiconductor Inc

Part # HT82K74E
Description  27MHz Keyboard/ Mouse TX 8-Bit MCU
PDF  56 Pages
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Manufacturer  HOLTEK [Holtek Semiconductor Inc]
Direct Link  http://www.holtek.com
Logo HOLTEK - Holtek Semiconductor Inc

HT82K74E Datasheet(HTML) 5 Page - Holtek Semiconductor Inc

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RF Characteristics
Ta=25
°C
Symbol
Parameter
Test Conditions
Min.
Typ.
Max.
Unit
VDD
Conditions
PRF
Maximum Output Power
(Load impedance is 50
W)
¾
PWRAMP option selected Half
¾-3
¾
dBm
PWRAMP option selected Full
¾
0
¾
dBm
PBW
20dB Bandwidth for Modulated
Carrier (3Kbps)
¾¾
¾
6
¾
kHz
PRF1
1st Adjacent Channel Transmit
Power 50kHz
¾¾
¾
¾
-30
dBm
PRF2
2nd Adjacent Channel Transmit
Power 100kHz
¾¾
¾
¾
-40
dBm
DC_AC Power-on Reset AC/DC Characteristics
Ta=25
°C
Symbol
Parameter
Test Conditions
Min.
Typ.
Max.
Unit
VDD
Conditions
IPOR
Operating Current
2.0V~
3.3V
¾¾
¾
0.7
mA
RSR_POR
VDD Rise Rate to Ensure Power-on
Reset
¾
Without 0.1
mF between
VDD and VSS
0.05
¾¾
V/ms
VPOR_MAX
Maximum VDD Start Voltage to
Ensure Power-on Reset
¾
Without 0.1
mF between
VDD and VSS
0.9
¾
1.5
V
tPOR
Power-on Reset Low Pulse Width
¾
Without 0.1
mF between
VDD and VSS
2
¾¾
ms
With 0.1
mF between
VDD and VSS
10
¾¾
ms
HT82K74E/HT82K74EE
Rev. 1.00
5
December 15, 2009



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