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參數(shù)資料
| 型號： | M491B1 |
| 廠商： | 意法半導體 |
| 英文描述： | SINGLE-CHIP VOLTAGE SYNTHESIS TUNING SYSTEM WITH 1 ANALOG CONTROL |
| 中文描述： | 單片電壓合成調(diào)諧系統(tǒng)的1個模擬控制 |
| 文件頁數(shù)： | 3/16頁 |
| 文件大小： | 135K |
| 代理商： | M491B1 |
ABSOLUTE MAXIMUM RATINGS
Symbol
V
DD
V
PP
V
I
V
O (off)
Parameter
Value
– 0.3, + 7
– 0.3, + 26
– 0.3, + 15
15
28
Unit
V
V
V
V
V
mA
Supply Voltage
Memory Supply Voltage
Input Voltage
Off State Input Voltage (except pin 3)
Pin 3
Output Low Current
Led Driver Outputs
Pins 6 – 14
Pins 4 – 5
All Other Outputs
Max. Delay between Memory Timing and Memory Supply Pulses
Total Package Power Dissipation
Storage Teperature
Operating Temperature
Stresses above those listed under ”Absolute Maximum Ratings” may cause permanent damage tothe device. This is a stress rating only and
functional operation ofthe device at these or any other conditions above those indicated in theoperational sections of thisspecification is not
implied.Exposure to absolute maximum rating conditions for extended periods may affectdevice reliability.
I
OL
20
20
7.5
5
5
1
t
pd
P
tot
T
stg
T
op
μ
s
W
°
C
°
C
– 25, + 125
0, + 70
4
DC ELECTRICAL CHARACTERISTICS
(T
amb
= 0 to + 70
°
C, V
DD
= +5V unless otherwisespecified)
Pin
Symbol
I
PP
Parameter
Test Conditions
V
PP
= 25V
Write
Min.
Typ. Max. Unit
2-Memory Supply
Memory Supply Current
Peak
Average
Peak
Average
Peak
Average
Erase
Read
42
12
9
5
8
2.5
25
8
100
50
1
1.5
100
100
13.2
1.5
mA
R
Pull Down Resistor
Output Low Voltage
Output Leakage Current
k
V
μ
A
μ
A
V
V
μ
A
mA
V
V
V
mA
k
V
μ
A
V
μ
A
V
μ
A
V
V
mA
k
3–Write Timing Out
V
OL
I
O (off)
I
O (off)
V
OL
V
OL
I
O (off)
I
DD
V
IPP
V
IL
V
IH
I
IL
R
V
OL
I
O (off)
V
OL
I
O (off)
V
OL
I
O (off)
V
IL
V
IH
I
IL
R
V
DD
= 4.75 V, I
OL
= 2.5 mA
V
DD
= 4.75 V, V
OUT
= 26 V
V
DD
= 5.25 V, V
O (off)
= 13.2 V
V
DD
= 4.75 V, I
OL
= 5 mA
V
DD
= 4.75 V, I
OL
= 20 mA
V
DD
= 5.25 V, V
O (off)
= 13.2 V
V
DD
= 5.25 V
4–Fine Tuning D/A
5–Tuning D/A
6–Digital AFT Out
9–Power Supply
11–I.R. Input
Supply Current
Peak-to-Peak Voltage
Input low Voltage
Input High Voltage
Input Low Current
Pull-up Resistor
0.5
12–AFT1
13–AFT2
V
DD
= 5.25 V
V
DD
= 5.25 V
V
DD
= 5.25 V, V
IL
= 1.5 V
3.5
–0.4
30
14—Display Out
V
DD
= 4.75 V, I
OL
= 20 mA
V
DD
= 5.25 V, V
O (off)
= 13.2 V
V
DD
= 4.75 V, I
OL
= 4 mA
V
DD
= 5.25 V, V
O (off)
= 13.2 V
V
DD
= 4.75 V, I
OL
= 1 mA
V
DD
= 5.25 V, V
O (off)
= 13.2 V
1.5
100
1
50
0.4
50
0.8
15–Volume D/A
16–Linear AFT Out
17–Digital AFT En-
able
2.0
V
DD
= 5.25 V, V
IL
= 0.8 V
–0.4
Pull-up Resistor
30
4
M491B
3/16
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| M49-20.000-18-30/50/4085 | 制造商:MEC 功能描述:Crystal SMD 20.000MHz HC49S-SMD |
| M49-24.000-18-30/50/4085 | 制造商:MEC Switches A/S 功能描述:Crystal SMD 24.000MHz HC49S-SMD |
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| M49-25.000-18-30/50/4085 | 制造商:MEC 功能描述:Crystal SMD 25.000MHz HC49S-SMD |
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