參數(shù)資料
型號: DMA2281
英文描述: Consumer IC
中文描述: 消費性IC
文件頁數(shù): 9/36頁
文件大小: 496K
代理商: DMA2281
DMA 2271, DMA 2280, DMA 2281
9
V
SUP
GND
P
N
P
N
f
ECLK
0.5M
16
17
Fig. 2–11:
Crystal Oscillator Pins 16 and 17
N
P
V
SUP
GND
Fig. 2–12:
Output Pin 65
2.5. Electrical Characteristics
All voltages are referred to ground.
2.5.1. Absolute Maximum Ratings
Symbol
Parameter
Pin No.
Min.
Max.
Unit
T
A
Ambient Operating Temper-
ature
0
65
°
C
T
S
Storage Temperature
–40
+25
°
C
V
SUP
Supply Voltage
19, 47, 63
6
V
V
I
Input Voltage, all Inputs
–0.3 V
V
SUP
V
O
Output Voltage, all Outputs
–0.3 V
V
SUP
I
O
Output Current, all Outputs
–10
+10
mA
2.5.2. Recommended Operating Conditions
at T
A
= 0 to 65
°
C, f
Φ
M
= 20.25 MHz
Symbol
Parameter
Pin No.
Min.
Typ.
Max.
Unit
V
SUP
Supply Voltage
19, 47, 63
4.75
5.0
5.25
V
V
Φ
MIDC
Φ
M Clock Input D.C. Voltage
62
1.5
3.5
V
V
Φ
MIAC
Φ
M Clock Input
A.C. Voltage (p–p)
0.8
2.5
V
t
Φ
MIH
t
Φ
MIL
Φ
M Clock Input High/Low
Ratio
0.9
1.0
1.1
t
Φ
MIHL
Φ
M Clock Input High to Low
Transition Time
0.15
f
Φ
M
V
REIL
Reset Input Low Voltage
15
0.8
V
V
REIH
Reset Input High Voltage
2.4
V
t
REIL
Reset Input Low Time
2
μ
s
V
VIL
Video Input Low Voltage
39 to 46
2.2
V
V
VIH
Video Input High Voltage
2.8
V
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