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參數(shù)資料
| 型號(hào)： | HT6221 |
| 廠商： | Holtek Semiconductor Inc. |
| 英文描述： | Multi-Purpose Encoders |
| 中文描述： | 多功能編碼器 |
| 文件頁數(shù)： | 3/13頁 |
| 文件大?。?/td> | 153K |
| 代理商： | HT6221 |
Pad Coordinates
Unit: mil
Pad No.
X
Y
Pad No.
X
Y
1
41.99
34.43
13
34.17
46.88
2
41.99
22.02
14
41.95
30.26
3
41.99
15.39
15
41.95
13.98
4
41.99
2.98
16
41.95
4.12
5
41.99
5.61
17
41.95
12.16
6
41.99
28.31
18
41.95
22.02
7
41.99
37.83
19
39.99
46.84
8
41.99
46.88
20
28.26
46.84
9
20.95
46.88
21
11.18
46.84
10
14.32
46.88
22
23.16
46.84
11
4.25
46.88
23
29.79
46.84
12
24.31
46.88
24
39.27
46.84
Pin Description
HT6222
Pin No.
Pin Name
I/O
Internal
Connection
Description
1~6
R3~R8
I
CMOS IN
Pull-low
Row control for keyboard matrix, active high
7
DOUT
O
CMOS OUT
Serial data output pin, with a 38kHz carrier
8
VDD
Positive power supply, 1.8V~3.5V for normal
operation
9
D7
I
CMOS IN
Most significant data bit (D7) code setting
10
X2
O
OSCILLATOR
455kHz resonator oscillator output
11
X1
I
OSCILLATOR
455kHz resonator oscillator input
12
VSS
Negative power supply
13
LED
O
CMOS OUT
Transmission enable indicator output
14~21
C8~C1
I/O
CMOS IN/OUT
Pull-low
Column control for keyboard matrix
22
AIN
I
CMOS IN
Pull-high
Pull-low
Low byte address codes (8 bits) scan input
23~24
R1~R2
I
CMOS IN
Pull-low
Row control for keyboard matrix, active high
HT6221/HT6222
3
March 2, 2000
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| HT6222 | Multi-Purpose Encoders |
| HT6230 | RES THICK FILM 100K OHM 1 W 7KV |
| HT6240-002 | RES THICK FILM 100 OHM 1 W 7KV |
| HT6264 | CMOS 8K x 8-Bit SRAM |
| HT62L256 | DISPLAY 7-SEG 7.6MM GREEN |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| HT6221(20DIP) | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Remote-Control Transmitter/Encoder |
| HT6221(20SOIC) | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Remote-Control Transmitter/Encoder |
| HT6221(20SOP) | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Consumer IC |
| HT6221_07 | 制造商:HOLTEK 制造商全稱:Holtek Semiconductor Inc 功能描述:Multi-Purpose Encoders |
| HT6221A | 制造商:HOLTEK 制造商全稱:Holtek Semiconductor Inc 功能描述:Multi-Purpose Encoders |
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