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): 13/20頁
文件大小: 243K
代理商: P8242AH
UPI-41AH/42AH
A.C. CHARACTERISTICS
T
A
e
0
§
C to
a
70
§
C, V
SS
e
0V, V
CC
e
V
DD
e a
5V
g
10%
DBB READ
Symbol
Parameter
Min
Max
Units
t
AR
CS, A
0
Setup to RD
v
CS, A
0
Hold After RD
u
0
ns
t
RA
0
ns
t
RR
RD Pulse Width
160
ns
t
AD
CS, A
0
to Data Out Delay
RD
v
to Data Out Delay
RD
u
to Data Float Delay
130
ns
t
RD
0
130
ns
t
DF
85
ns
DBB WRITE
Symbol
Parameter
Min
Max
Units
t
AW
CS, A
0
Setup to WR
v
CS, A
0
Hold After WR
u
0
ns
t
WA
0
ns
t
WW
WR Pulse Width
Data Setup to WR
u
Data Hold After WR
u
160
ns
t
DW
130
ns
t
WD
0
ns
CLOCK
Symbol
Parameter
Min
Max
Units
t
CY
(UPI-41AH/42AH)
Cycle Time
1.2
9.20
m
s
(1)
t
CYC
(UPI-41AH/42AH)
Clock Period
80
613
ns
t
PWH
Clock High Time
30
ns
t
PWL
Clock Low Time
30
ns
t
R
Clock Rise Time
10
ns
t
F
Clock Fall Time
10
ns
NOTE:
1. t
CY
e
15/f(XTAL)
A.C. CHARACTERISTICS
DMA
Symbol
Parameter
Min
Max
Units
t
ACC
DACK to WR or RD
0
ns
t
CAC
RD or WR to DACK
0
ns
t
ACD
DACK to Data Valid
0
130
ns
t
CRQ
RD or WR to DRQ Cleared
110
ns
(1)
NOTE:
1. C
L
e
150 pF.
13
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