參數(shù)資料
型號: P87C453EFAA
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 microcontrollers
中文描述: OTPROM, 8 MHz, MICROCONTROLLER, PQCC68
封裝: PLASTIC, SOT-168-3, MO-047AE, LCC-68
文件頁數(shù): 19/23頁
文件大小: 163K
代理商: P87C453EFAA
Philips Semiconductors
Preliminary specification
80C453/83C453/87C453
CMOS single-chip 8-bit microcontrollers
1996 Aug 15
3-329
V
CC
–0.5
0.45V
0.7V
CC
0.2V
CC
–0.1
t
CHCL
t
CLCL
t
CLCH
t
CLCX
t
CHCX
SU00009
Figure 17. External Clock Drive
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’.
SU00717
Figure 18. 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
SU00718
Figure 19. Float Waveform
30
25
20
15
10
5
4MHz
8MHz
12MHz
16MHz
FREQ AT XTAL1
MAX ACTIVE MODE
TYP ACTIVE MODE
MAX IDLE MODE
TYP IDLE MODE
I
CC
mA
VALID ONLY WITHIN FREQUENCY SPECIFICATIONS OF THE DEVICE UNDER TEST.
SU00092
Figure 20. I
CC
vs. FREQ
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