參數(shù)資料
型號(hào): HT9320
廠商: Holtek Semiconductor Inc.
英文描述: 22-Memory Tone/Pulse Dialer
中文描述: 22內(nèi)存音頻/脈沖撥號(hào)器
文件頁(yè)數(shù): 9/30頁(yè)
文件大小: 382K
代理商: HT9320
Symbol
Parameter
Test Conditions
Min.
Typ.
Max.
Unit
V
DD
Conditions
T
FP
Pause Time After Flash
Control key
0.2
s
Digit key
1
s
T
RP
Pause Time for One-key
Redialing
One-key redialing
1
s
T
DB
Key-in Debounce Time
20
ms
T
BRK
Break Time for One-key
Redialing
One-key redialing
1.2
s
f
OSC
System Frequency
Crystal=3.5795MHz
3.5759 3.5795 3.5831 MHz
Pulse Mode Electrical Characteristics
f
OSC
=3.5795MHz, Ta=25 C
Symbol
Parameter
Test Conditions
Min.
Typ.
Max. Unit
V
DD
Conditions
I
POH
PO Output Source
Current
2.5V V
OH
=2V
0.2
mA
I
POL
PO Output Sink
Current
2.5V V
OL
=0.5V
0.2
0.6
mA
PR
Pulse Rate
MODE pin is connected to V
DD
10
pps
MODE pin is opened
20
M/B
Make/Break Ratio
A resistor is linked between
R2 and C1 (HT9320B/C/K/L)
33:66
%
M/B=VSS (HT9320A)
M/B=VDD (HT9320H)
No resistor is linked between
R2 and C1 (HT9320B/C/K/L)
40:60
M/B=Floating (HT9320A)
M/B=VSS (HT9320H)
T
PDP
Pre-digit-pause
Time
M/B ratio=40:60
40 (10pps)
20 (20pps)
ms
M/B ratio=33:66
33 (10pps)
17 (20pps)
HT9320
9
July 21, 1999
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
HT9320_02 制造商:HOLTEK 制造商全稱:Holtek Semiconductor Inc 功能描述:22-Memory Tone/Pulse Dialer
HT9320A 制造商:HOLTEK 制造商全稱:Holtek Semiconductor Inc 功能描述:22-Memory Tone/Pulse Dialer
HT9320B 制造商:HOLTEK 制造商全稱:Holtek Semiconductor Inc 功能描述:22-Memory Tone/Pulse Dialer
HT9320C 制造商:HOLTEK 制造商全稱:Holtek Semiconductor Inc 功能描述:22-Memory Tone/Pulse Dialer
HT9320F 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Tone/Pulse Telephone Dialer