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參數資料
| 型號： | S87C654-8F40 |
| 廠商： | NXP SEMICONDUCTORS |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | CMOS single-chip 8-bit microcontroller |
| 中文描述： | 8-BIT, UVPROM, 10 MHz, MICROCONTROLLER, CDIP40 |
| 文件頁數： | 18/28頁 |
| 文件大?。?/td> | 480K |
| 代理商： | S87C654-8F40 |
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Philips Semiconductors
Product specification
87C654
CMOS single-chip 8-bit microcontroller
1996 Aug 16
18
V
CC
–0.5
0.45V
0.2V
CC
+0.9
0.2V
CC
–0.1
NOTE:
AC inputs during testing are driven at V
–0.5 for a logic ‘1’ and 0.45V for a logic ‘0’.
Timing measurements are made at V
IH
min for a logic ‘1’ and V
IL
max for a logic ‘0’.
SU00010
Figure 6. AC Testing Input/Output
V
LOAD
V
LOAD
+0.1V
V
LOAD
–0.1V
V
OH
–0.1V
V
OL
+0.1V
NOTE:
For timing purposes, a port is no longer floating when a 100mV change from load voltage occurs,
and begins to float when a 100mV change from the loaded V
OH
/V
OL
level occurs. I
OH
/I
OL
≥
±
20mA.
TIMING
REFERENCE
POINTS
SU00011
Figure 7. Float Waveform
V
CC
P0
EA
RST
XTAL1
XTAL2
V
SS
V
CC
V
CC
V
CC
I
CC
(NC)
CLOCK SIGNAL
P1.6
P1.7
*
*
87C654
SU00272
Figure 8. I
CC
Test Condition, Active Mode
All other pins are disconnected
NOTE:
*
Ports 1.6 and 1.7 should be connected to V
CC
through resistors of sufficiently high value such that the sink current into these pins does not
exceed the I
OL1
specification.
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| S87C751-1N24 | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:80C51 8-bit microcontroller family 2K/64 OTP/ROM, I2C, low pin count |
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