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參數(shù)資料
| 型號： | DV102012 |
| 廠商： | Microchip Technology |
| 文件頁數(shù)： | 9/14頁 |
| 文件大?。?/td> | 0K |
| 描述： | KIT DEV TOUCH SCREEN CONTROLLER |
| 標準包裝： | 1 |
| 系列： | mTouch™ |
| 主要目的： | 接口，觸摸屏控制器 |
| 嵌入式： | 否 |
| 已用 IC / 零件： | AR1100 |
| 主要屬性： | USB 或 RS-232 接口支持 4、5 或 8 線 |
| 已供物品： | 板，線纜，CD，顯示器 |
1994 Fairchild Semiconductor Corporation
www.fairchildsemi.com
74LCX240 Rev. 1.6.0
4
74LCX240
—
Lo
w
V
olta
g
e
Octal
Buff
er/Line
Driver
with
5V
T
olerant
Inputs
and
Outputs
DC Electrical Characteristics
Note:
4. Outputs disabled or 3-STATE only.
AC Electrical Characteristics
Note:
5. Skew is defined as the absolute value of the difference between the actual propagation delay for any two separate
outputs of the same device. The specification applies to any outputs switching in the same direction, either HIGH-to-
LOW (tOSHL) or LOW-to-HIGH (tOSLH).
Symbol
Parameter
VCC (V)
Conditions
TA = –40°C to +85°C
Units
Min.
Max.
VIH
HIGH Level Input Voltage
2.3–2.7
1.7
V
2.7–3.6
2.0
VIL
LOW Level Input Voltage
2.3–2.7
0.7
V
2.7–3.6
0.8
VOH
HIGH Level Output Voltage
2.3–3.6
IOH = –100A
VCC – 0.2
V
2.3
IOH = –8mA
1.8
2.7
IOH = –12mA
2.2
3.0
IOH = –18mA
2.4
IOH = –24mA
2.2
VOL
LOW Level Output Voltage
2.3–3.6
IOL = 100A
0.2
V
2.3
IOL = 8mA
0.6
2.7
IOL = 12mA
0.4
3.0
IOL = 16mA
0.4
IOL = 24mA
0.55
II
Input Leakage Current
2.3–3.6
0
≤ V
I ≤ 5.5V
±5.0
A
IOFF
Power-Off Leakage Current
VI or VO = 5.5V
10
A
ICC
Quiescent Supply Current
2.3–3.6
VI = VCC or GND
10
A
3.6V
≤ V
I, VO ≤ 5.5V
(4)
±10
I
CC
Increase in ICC per Input
2.3–3.6
VIH = VCC = 0.6V
500
A
Symbol
Parameter
TA = –40°C to +85°C, RL = 500
Units
VCC = 3.3V ± 0.3V,
CL = 50pF
VCC = 2.7V,
CL = 50pF
VCC = 2.5V ± 0.2V,
CL = 30pF
Min.
Max.
Min.
Max.
Min.
Max.
tPHL, tPLH
Propagation Delay
1.5
6.5
1.5
7.5
1.5
7.8
ns
tPZL, tPZH
Output Enable Time
1.5
8.0
1.5
9.0
1.5
10.0
ns
tPLZ, tPHZ
Output Disable Time
1.5
7.0
1.5
8.0
1.5
8.4
ns
tOSHL, tOSLH
Output to Output Skew(5)
1.0
ns
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