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參數(shù)資料
| 型號： | HT8658 |
| 廠商： | Holtek Semiconductor Inc. |
| 英文描述： | Voice Recorder (DRAM) |
| 中文描述： | 錄音機體（DRAM） |
| 文件頁數(shù)： | 4/15頁 |
| 文件大?。?/td> | 862K |
| 代理商： | HT8658 |
Pad No.
Pad Name
I/O
Internal
Connection
Description
18~20
CAS1B~
CAS3B
O
CMOS
Column address strobe for DRAM1~DRAM3
21
LE DB
O
Open Drain
NMOS
Status indicator when LSI is active
22
PLYB
I
Pull-High
Play/Pause trigger input (toggle function)
23
RECB
I
Pull-High
Record/Pause trigger input (toggle function)
24
RE SB
I
Pull-High
Reset the system or the play counter
25
WRB
O
CMOS
Write enable signal output for DRAM interface
26
RASB
O
CMOS
Row address strobe output for DRAM interface
27
DATA
I/O
—
Encoded data I/O pin
28
29
OSC2
OSC1
O
I
—
Oscillation external resistor connect pin
Absolute Maximum Ratings
Supply Voltage .................................. –0.3 to 6V
Storage Temperature ...............–50
°
C to 125
°
C
Operating Temperature ............. –20
°
C to 70
°
C
Input Voltage ............... V
SS
–0.3 Vto V
DD
+0.3V
Electrical Characteristics
(Ta=25°C)
Symbol
Parameter
Test Condition
Min.
Typ.
Max.
Unit
V
DD
Condition
V
DD
Operating Voltage
—
—
4.5
5.0
5.5
V
I
DD
Operating Current
5V
No load,
F
OSC
=384K Hz
—
0.8
2.0
mA
I
STB
Stand-By Current
5V
—
—
40
100
μ
A
I
OL
LE D Sink Current
5V
V
OL
=0.5V
3.0
5.0
—
mA
V
IH
“H” Input Voltage
—
—
0.7V
DD
—
V
DD
V
V
IL
“L” Input Voltagse
—
—
0
—
0.2V
DD
V
F
OSC
System Frequency
5V
R
OSC
=91K
—
384
—
K Hz
V
OUT
Max. Vout Output Voltage
5V
R
L
>50K
1.5
—
—
V
P-P
HT8658/HT8659
4
26th Sep ’96
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| HT86768 | Voice Synthesizer 8-Bit MCU |
| HT86072 | Voice Synthesizer 8-Bit MCU |
| HT86144 | Voice Synthesizer 8-Bit MCU |
| HT86192 | Voice Synthesizer 8-Bit MCU |
| HT86384 | Voice Synthesizer 8-Bit MCU |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| HT8658A | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Solid-State Recorder |
| HT8658B | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Solid-State Recorder |
| HT8659 | 制造商:HOLTEK 制造商全稱:Holtek Semiconductor Inc 功能描述:Voice Recorder (DRAM) |
| HT8659A | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Solid-State Recorder |
| HT8659B | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Solid-State Recorder |
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