參數(shù)資料
型號: ELANSC400-100AI
廠商: Advanced Micro Devices, Inc.
英文描述: Single-Chip, Low-Power, PC/AT-Compatible Microcontrollers
中文描述: 單芯片,低功耗的PC / AT兼容微控制器
文件頁數(shù): 91/132頁
文件大?。?/td> 2400K
代理商: ELANSC400-100AI
élanSC400 and élanSC410 Microcontrollers Data Sheet
91
AC SWITCHING CHARACTERISTICS AND WAVEFORMS
The AC specifications provided in the AC characteris-
tics tables that follow consist of output delays, input
setup requirements, and input hold requirements.
AC specifications measurement is defined by the
figures that follow each timing table. All timings are
referenced to 1.5 V unless otherwise specified.
Output delays are specified with minimum and maxi-
mum limits, measured as shown. The minimum delay
times are hold times provided to external circuitry.
Input setup and hold times are specified as minimums,
defining the smallest acceptable sampling window.
Within the sampling window, a synchronous input sig-
nal must be stable for correct microcontroller operation.
Key to Switching Waveforms
AC SWITCHING TEST WAVEFORMS
Notes:
For AC testing, inputs are driven at 3 V for a logic 1 and 0 V for a logic 0.
WAVEFORMS
INPUTS
Must be Steady
OUTPUTS
Will be Steady
May Change from H to L
Will be Changing from H to L
May Change from L to H
Will be Changing from L to H
Don’t Care, Any Change Permitted
Changing, State Unknown
Does Not Apply
Center Line is High-Impedance "Off” State
V
CC
÷
2
V
CC
÷
2
V
IH
= V
CC
Input
V
IL
= 0
Test Points
Output
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相關(guān)代理商/技術(shù)參數(shù)
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