參數(shù)資料
型號: P8242AH
廠商: INTEL CORP
元件分類: 微控制器/微處理器
英文描述: UNIVERSAL PERIPHERAL INTERFACE 8-BIT SLAVE MICROCONTROLLER
中文描述: 8-BIT, MROM, 12.5 MHz, MICROCONTROLLER, PDIP40
封裝: PLASTIC, DIP-40
文件頁數(shù): 15/20頁
文件大?。?/td> 243K
代理商: P8242AH
UPI-41AH/42AH
A.C. TESTING INPUT/OUTPUT WAVEFORM
INPUT/OUTPUT
210393–14
A.C. TESTING LOAD CIRCUIT
210393–15
DRIVING FROM EXTERNAL SOURCE-TWO OPTIONS
l
6 MHz
210393–16
210393–17
Rise and Fall Times Should Not Exceed 10 ns. Resis-
tors to V
CC
are Needed to Ensure V
IH
e
3.5V if TTL
Circuitry is Used.
LC OSCILLATOR MODE
L
C
NOMINAL
5.2 MHz
3.2 MHz
f
e
1
2
q
0
LC
ê
45 H 20 pF
120 H 20 pF
C
ê
e
C
a
3Cpp
2
Cpp
j
5–10 pF
Pin-to-Pin Capacitance
210393–18
Each C Should be Approximately 20 pF, including Stray Capacitance.
CRYSTAL OSCILLATOR MODE
210393–19
C1
C2
C3
5 pF (STRAY 5 pF)
(CRYSTAL
a
STRAY) 8 pF
20–30 pF INCLUDING STRAY
Crystal Series Resistance Should
be Less Than 30
X
at 12.5 MHz.
15
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