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參數(shù)資料
| 型號： | PM908E624ACDWBR2 |
| 廠商： | FREESCALE SEMICONDUCTOR INC |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | 8-BIT, FLASH, 8 MHz, MICROCONTROLLER, PDSO54 |
| 封裝： | PLASTIC, SOIC-54 |
| 文件頁數(shù)： | 23/24頁 |
| 文件大?。?/td> | 718K |
| 代理商： | PM908E624ACDWBR2 |
908E624
MOTOROLA ANALOG INTEGRATED CIRCUIT DEVICE DATA
8
DIGITAL INTERFACE RATINGS (continued)
Logic Input: TxD
High-Level Input Voltage
VIH
3.5
–
V
Low-Level Input Voltage
VIL
––
1.5
V
Input Threshold Hysteresis
IIN
50
550
800
mV
Pull-Up Current Source
IS
-100
–
-20
A
Logic Output: IRQB_A
High-Level Output Voltage
IO = -250 A
VOH
VDD-0.9
–
VDD
V
Low-Level Output Voltage
IO = 1.5 mA
VOL
0–
0.9
V
WDCONFIG: WINDOW WATCHDOG CONFIGURATION TERMINAL
External Resistor Range
REXT
10
–
100
k
Watchdog Period Accuracy with External Resistor (Excluding Resistor
Accuracy) (Note 8)
WDCACC
-15
–
15
%
Watchdog Period; R = 10 k
(1%)
Pwd10
–
10.558
–
ms
Watchdog Period; R = 100 k
(1%)
Pwd100
–
99.748
–
ms
Watchdog Period Without External Resistor, WDCONF Terminal Open
Pwdoff
97
150
205
ms
Notes
8.
Watchdog timing period calculation formula: Twd = 0.991 * R+0.648 (R in k and Twd in ms).
STATIC ELECTRICAL CHARACTERISTICS (continued)
All characteristics are for the analog chip only. Refer to the 68HC908EY16 specification for MCU characteristics. Characteristics
noted under conditions 9.0 V ≤ VSUP ≤ 16 V, -40°C ≤ TJ ≤ 125°C unless otherwise noted. Typical values noted reflect the approximate
parameter mean at TA = 25°C under nominal conditions unless otherwise noted.
Characteristic
Symbol
Min
Typ
Max
Unit
F
re
e
sc
a
le
S
e
m
ic
o
n
d
u
c
to
r,
I
Freescale Semiconductor, Inc.
For More Information On This Product,
Go to: www.freescale.com
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c
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.
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