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參數資料
| 型號： | 935260833557 |
| 廠商： | NXP SEMICONDUCTORS |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | 8-BIT, OTPROM, 10 MHz, MICROCONTROLLER, PQFP44 |
| 封裝： | 10 X 10 MM, 1.40 MM HEIGHT, PLASTIC, SOT-389-1, LQFP-44 |
| 文件頁數： | 18/35頁 |
| 文件大?。?/td> | 176K |
| 代理商： | 935260833557 |
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1999 Apr 16
25
Philips Semiconductors
Product specication
Low-voltage microcontroller with 63-kbyte
OTP program memory and 2-kbyte RAM
P87CL881H
9.1
AC testing
AC testing inputs are driven at 2.4 V for a HIGH level and 0.45 V for a LOW level. Timing measurements are taken at
2.0 V for a HIGH level and 0.8 V for a LOW level, see Fig.15a. The float state is defined as the point at which a Port 0
pin sinks 3.2 mA or sources 400
A at the voltage test levels, see Fig.15b.
Fig.14 Write to external data memory.
handbook, full pagewidth
MGA178
t LHLL
ALE
PORT 0
PORT 2
t CY
t LLAX
t AVLL
address A8 to A15 (DPH) or Port 2
data output
A0 to A7
PSEN
t WHLH
AVWL
t
t LLWL
t WLWH
t WHQX
t QVWH
t QVWX
WR
Fig.15 AC testing input, output waveform (a) and float waveform (b).
a. AC inputs during testing are driven at VOH(min) for a logic 1 and VOL(max) for a logic 0. Timing measurements
are made at VIH(min) for a logic 1 and VIL(max) for a logic 0.
b. For timing purposes, a port is no longer floating when a 100 mV change from load voltage occurs and begins
to float when a 100 mV change from the loaded VOH/VOL level occurs. IOH/IOL > 1.6 mA.
handbook, full pagewidth
MGL620
VIH(min)
VIL(max)
VOH(min)
VOL(max)
handbook, full pagewidth
MGL619
VLOAD 0.1 V
VOH 0.1 V
VOL 0.1 V
VLOAD = 0.5 VDD
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