HT82K629A-40DIPLF HOLTEK, HT82K629A-40DIPLF Datasheet - Page 2

• Manufacturer Part Number: HT82K629A-40DIPLF
• Description: IC, USB/PS2 CONT, WIN 2000 KEYBOARD
• Manufacturer: HOLTEK

Specifications of HT82K629A-40DIPLF

• Usb Type: Keyboard Encoder
• Usb Version: 1.1
• Supply Voltage Range: 4.4V To 5.5V
• Operating Temperature Range: 0°C To +70°C
• Digital Ic Case Style: DIP
• No. Of Pins: 40
• Operating Temperature Max: 70°C
• Base Number: 82
• Rohs Compliant: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Pin Assignment
Pin Description
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
Rev. 1.40
1, 2, 11~14
19~26, 31~34
39, 40
3~6, 35~38
7
8
9
10
15
16
17
18
27
28
29
30
Pin No.
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 reliabil-
ity.
C0~C19
R0~R7
Fn_Sel
NUM
CAPS
SCROLL
VDD
V33O
USBD+/CLK
USBD-/DATA
VSS
RESET
OSCO
OSCI
Pin Name
SS
SS
0.3V to V
0
I/O
I/O
I/O
O
O
O
O
O
.
I
I
I
I
3V to V
Keyboard matrix scanning output pins
Keyboard matrix scanning input pins
Mini-keyboard select, the function is enabled if connected to VSS.
Num lock indicator
Caps lock indicator
Scroll lock indicator
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.
Negative power supply, ground
Schmitt trigger input. Active low.
OSCO, OSCI are connected to a 6MHz or 12MHz crystal/resonator for
the internal system clock.
DD
SS
+6.0V
+0.3V
2
Storage Temperature ........................... 50 C to 125 C
Operating Temperature ..............................0 C to 70 C
Description
September 15, 2004
HT82K629A