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參數(shù)資料
| 型號(hào)： | LM8500IVA9 |
| 廠商： | National Semiconductor Corporation |
| 英文描述： | Four Wire Resistive Touchscreen Controller with Brownout |
| 中文描述： | 四線電阻式觸摸屏控制器掉電 |
| 文件頁數(shù)： | 7/20頁 |
| 文件大?。?/td> | 319K |
| 代理商： | LM8500IVA9 |
Absolute Maximum Ratings
If Military/Aerospace specified devices are required,
please contact the National Semiconductor Sales Office/
Distributors for availability and specifications.
(Note 3)
Supply Voltage (V
CC
)
Voltage at Any Pin
Total Current into V
CC
Pin (Source)
7V
0.3V to V
CC
+0.3V
200 mA
Total Current out of GND Pin (Sink)
Storage Temperature Range
ESD Protection Level
200 mA
65C to +140C
2 kV (Human Body
Model)
Note 3:
Absolute maximum ratings indicate limits beyond which damage to
the device may occur. DC and AC electrical specifications are not ensured
when operating the device at absolute maximum ratings.
3.0 Electrical Characteristics
TABLE 1. DC Electrical Characteristics (0C
≤
T
A
≤
+70C)
Datasheet min/max specification limits are guaranteed by design, test, or statistical analysis.
Parameter
Conditions
Min
2.7
10
Typ
Max
5.5
50 x 10
6
0.1 V
CC
Units
V
ns
V
Operating Voltage
Power Supply Rise Time
Power Supply Ripple (Note 4)
Supply Current (Note 5)
High Speed Mode
CKI = 10 MHz
CKI = 3.33 MHz
HALT Current with BOR Disabled (Note 6)
High Speed Mode
Supply Current for BOR Feature
High Brownout Trip Level (BOR Enabled)
Low Brownout Trip Level (BOR Enabled)
Input Levels (V
IH
, V
IL
)
Logic High
Logic Low
Internal Bias Resistor for the CKI
Crystal/Resonator Oscillator
Hi-Z Input Leakage
Input Pullup Current
Port Input Hysteresis
Output Current Levels
Outputs X+, X-, Y+, Y-
Source (Note 7)
Peak-to-Peak
V
CC
= 5.5V
V
CC
= 4.5V
11.5
5
mA
mA
V
CC
= 5.5V, CKI = 0 MHz
V
CC
= 5.5V
<
2
10
45
4.5
2.9
μA
μA
V
V
4.17
2.7
4.28
2.78
0.8 V
CC
V
V
0.16 V
CC
0.3
1.0
2.5
M
V
CC
= 5.5V
V
CC
= 5.5V, V
IN
= 0V
0.5
50
+0.5
210
μA
μA
V
0.25 V
CC
V
CC
= 4.5V, V
OH
= 4.2V
V
CC
= 2.7V, V
OH
= 2.4V
V
CC
= 4.5V, V
OL
= 0.3V
V
CC
= 2.7V, V
OL
= 0.3V
10
6
10
6
mA
mA
mA
mA
mA
Sink (Note 7)
Allowable Sink and Source Current per Pin
All Others
Source (Weak Pull-Up Mode)
20
V
CC
= 4.5V, V
OH
= 3.8V
V
CC
= 2.7V, V
OH
= 1.8V
V
CC
= 4.5V, V
OH
= 3.8V
V
CC
= 2.7V, V
OH
= 1.8V
V
CC
= 4.5V, V
OL
= 1.0V
V
CC
= 2.7V, V
OL
= 0.4V
10
5
7
4
10
3.5
μA
μA
mA
mA
mA
mA
mA
μA
mA
V
pF
Source (Push-Pull Mode)
Sink (Push-Pull Mode) (Note 7)
Allowable Sink and Source Current per Pin
TRI-STATE Leakage
Maximum Input Current without Latchup
RAM Retention Voltage, V
R
(in HALT Mode)
Input Capacitance
15
+0.5
±
200
V
CC
= 5.5V
0.5
2.0
7
L
www.national.com
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