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參數資料
| 型號： | ST70137TQFP |
| 廠商： | 意法半導體 |
| 英文描述： | UNICORNTM PCI & USB CONTROLLERLESS ADSL DMT TRANSCEIVER |
| 中文描述： | UNICORNTM的PCI |
| 文件頁數： | 20/22頁 |
| 文件大?。?/td> | 140K |
| 代理商： | ST70137TQFP |
ST70137
20/22
Rise and Fall Time Measures
Input / Output TTL Generic Characteristics
The value presented in the following table apply for all TTL inputs and/or outputs unless otherwise
specified.
* Guaranted by design.
Note:
The reference current is dependent on the exact buffer chosen and is a part of the buffer name.
The available values are 2, 4 and 8mA.
Symbol
Parameter
Test Condition
Minimum
Typical
Maximum
Units
V
IL
Low Level Input Voltage
0.8
V
V
IH
High Level Input Voltage
2.0
V
V
ILHY
Low Level Threshold, falling *
Slow edge < 1V/
μ
s
0.9
1.35
V
V
IHHY
V
HY
Low Level Threshold, rising *
Slow edge < 1V/
μ
s
1.3
1.9
V
Schmitt Trigger Hysteresis *
Slow edge < 1V
μ
s
0.4
0.7
V
V
OL
Low Level Output Voltage
I
OUT
= XmA (see Note)
0.4
V
V
OH
High Level Output Voltage
I
OUT
= XmA (see Note)
2.4
V
T
F
T
R
90%
10%
10%
90%
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