參數(shù)資料
型號(hào)： P87CL881H
廠商： NXP Semiconductors N.V.
英文描述： Low-voltage microcontroller with 63-kbyte OTP program memory and 2-kbyte RAM(帶63K字節(jié)OTP程序存儲(chǔ)器和2K字節(jié)RAM的低壓微控制器)
中文描述： 低63字節(jié)OTP程序存儲(chǔ)器和2K字節(jié)RAM電壓微控制器（帶檢察官辦公室63K字節(jié)程序存儲(chǔ)器和2K字節(jié)的RAM的低壓微控制器）
文件頁數(shù)： 25/32頁
文件大小： 139K
代理商： P87CL881H
1999 Apr 16
25
Philips Semiconductors
Product specification
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
μ
A at the voltage test levels, see Fig.15b.
Fig.14 Write to external data memory.
handbook, full pagewidth
MGA178
tLHLL
ALE
PORT 0
PORT 2
tCY
tLLAX
tAVLL
address A8 to A15 (DPH) or Port 2
data output
A0 to A7
PSEN
tWHLH
AVWL
t
tLLWL
tWLWH
tWHQX
tQVWH
tQVWX
WR
Fig.15 AC testing input, output waveform (a) and float waveform (b).
a. AC inputs during testing are driven at V
OH(min)
for a logic 1 and V
OL(max)
for a logic 0. Timing measurements
are made at V
IH(min)
for a logic 1 and V
IL(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 V
OH
/V
OL
level occurs. I
OH
/I
OL
> 1.6 mA.
handbook, full pagewidth
MGL620
VIH(min)
VIL(max)
VOH(min)
VOL(max)
handbook, full pagewidth
MGL619
VLOAD
0.1 V
VLOAD
0.1 V
VOH
0.1 V
VOL
0.1 V
VLOAD = 0.5 VDD
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