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參數(shù)資料
| 型號： | HT62L256 |
| 廠商： | Holtek Semiconductor Inc. |
| 英文描述： | DISPLAY 7-SEG 7.6MM GREEN |
| 中文描述： | 2.8秒增強(qiáng)音聲 |
| 文件頁數(shù)： | 3/9頁 |
| 文件大?。?/td> | 391K |
| 代理商： | HT62L256 |
Pad Description
Pad No.
Pad Name
I/O
Internal
Connection
—
PMOS
Open Drain
—
—
NMOS
Open Drain
—
NMOS
Open Drain
Description
2
VDD
I
Positive power supply
3
AUD
O
Voice/tone output driving an external transistor
4
5
OSC2
OSC1
O
I
Oscillator output pin
Oscillator input pin
3Hz flash/busy output/6Hz (by code option), active
low
Negative power supply (GND)
3Hz flash/busy output/E NDP/sound level display
(by mask option), active low
Trigger key, active low. K E Y1 can be optioned as a
direct or sequential/random key, the 7 keys as
direct keys only or by mask option as 4
×
4 matrix
key
6
FLAG1
O
7
VSS
I
8
FLAG2
O
9~15, 1
KE Y1~KE Y8
I
Pull-High
Absolute Maximum Ratings*
Supply Voltage.................................–0.3V to 6V
Storage Temperature.................–50
°
C to 125
°
C
Operating Temperature...............–20
°
C to 70
°
C
Input Voltage................. V
SS
–0.3V to V
DD
+0.3V
*Note: These are stress ratings only. Stresses exceeding the range specified under “Absolute Maxi-
mum Ratings” may 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.
Electrical Characteristics
(Ta=25
°
C)
Symbol
Parameter
Test Conditions
Min.
Typ.
Max.
Unit
V
DD
Conditions
V
DD
Operating Voltage
—
—
2.4
—
5.0
V
I
OP
Operating Current
3V
No load,
f
OSC
=96kHz
—
200
400
μ
A
I
STB
Standby Current
3V
—
—
1
3
μ
A
I
O
Max. AUD Output Current
3V
V
OH
=0.6V
–1.5
–2
—
mA
I
OL
FLAG Sink Current
3V
V
OL
=0.3V
2
3
—
mA
V
IH
“H” Input Voltage
—
—
0.8V
DD
—
V
DD
V
V
IL
“L” Input Voltage
—
—
0
—
0.2V
DD
V
f
OSC
Oscillating Frequency
3V
—
—
96
—
kHz
HT812L0
3
5th May ’98
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