參數(shù)資料
型號(hào): P89C739
廠商: NXP Semiconductors N.V.
英文描述: 8-bit Flash microcontrollers
中文描述: 8位閃存微控制器
文件頁(yè)數(shù): 55/64頁(yè)
文件大小: 360K
代理商: P89C739
1998 Apr 07
55
Philips Semiconductors
Product specification
8-bit Flash microcontrollers
P89C738; P89C739
Fig.30 AC testing input.
handbook, full pagewidth
MGK209
0.2VDD
+
0.9
0.2VDD
0.1
VDD
0.5
0.45 V
handbook, full pagewidth
MGK210
timing
reference points
VLOAD
+
0.1 V
VLOAD
0.1 V
VOH
0.1 V
VOL
+
0.1 V
VLOAD
a. Output waveform.
b. Float waveform
AC testing inputs are driven at 2.4 V for a logic 1 and 0.45 V for a logic 0.
Timing measurements are taken at 2.0 V for a logic 1 and 0.8 V for a logic 0, see Fig.30a.
The float state is defined as the point at which a Port 0 pin sinks 3.2 mA or sources 400
μ
A at
the voltage test levels, see Fig.30b.
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