ht82k94e Holtek Semiconductor Inc., ht82k94e Datasheet - Page 4

• Manufacturer Part Number: ht82k94e
• Description: Ht82k94e/ht82k94a -- Usb Multimedia Keyboard Encoder 8-bit Mcu
• Manufacturer: Holtek Semiconductor Inc.

Absolute Maximum Ratings
Supply Voltage ...........................V
Input Voltage..............................V
Note: These are stress ratings only. Stresses exceeding the range specified under Absolute Maximum Ratings may
D.C. Characteristics
Rev. 1.90
Symbol
V
I
I
I
I
V
V
V
V
I
I
I
I
I
VSS
RES
VDD
V33O
USBD+/CLK
USBD-/DATA
OSC1
OSC2
DD1
DD2
STB1
STB2
OL1
OL2
OL3
OH1
OH2
DD
IL1
IH1
IL2
IH2
Pin Name
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 (6MHz Crystal)
Operating Current (12MHz Crystal)
Standby Current
Standby Current (WDT Enabled)
Input Low Voltage for I/O Ports
Input High Voltage for I/O Ports
Input Low Voltage (RES)
Input High Voltage (RES)
I/O Port Sink Current for PA1~PA7,
PB, PC, PD
I/O Port Sink Current for PA1~PA7,
PB, PC, PD
I/O Port Sink Current for PA0
I/O Port Source Current for PA1~PA7,
PB, PC, PD
I/O Port Source Current for PA0
I/O
I/O
I/O
O
O
I
I
Parameter
ROM Code
Option
SS
SS
0.3V to V
0.3V to V
Negative power supply, ground
Schmitt trigger reset input. Active low
Positive power supply
3.3V regulator output
USBD+ or PS2 CLK I/O line
USB or PS2 function is controlled by software control register
USBD- or PS2 DATA I/O line
USB or PS2 function is controlled by software control register
OSC1, OSC2 are connected to a 6MHz or 12MHz Crystal/resonator
(determined by software instructions) for the internal system clock.
DD
SS
+6.0V
+0.3V
V
5V No load, f
5V No load, f
5V
5V
5V TTL level
5V TTL level
5V CMOS level
5V CMOS level
5V V
5V V
5V V
5V V
5V V
DD
Test Conditions
f
f
No load, system HALT,
USB suspend*
No load, system HALT,
input/output mode,
set SUSPEND2 [1EH]
4
SYS
SYS
OL
OL
OL
OH
OH
=3.4V
=0.4V
=0.4V
=6MHz
=12MHz
=3.4V
=3.4V
Storage Temperature ............................ 50 C to 125 C
Operating Temperature...............................0 C to 70 C
Conditions
SYS
SYS
=6MHz
=12MHz
Description
HT82K94E/HT82K94A
0.9V
Min.
2.2
3.0
10
0
2
0
2
7
12
2
DD
Typ.
6.5
7.5
15
10
4
18
4
0.4V
Max.
V
V
500
5.5
5.5
0.8
12
16
15
20
13
8
24
DD
DD
April 29, 2008
8
DD
Ta=25 C
Unit
mA
mA
mA
mA
mA
mA
mA
V
V
V
V
V
V
A
A