參數(shù)資料
型號: P89C738ABP
廠商: NXP SEMICONDUCTORS
元件分類: 微控制器/微處理器
英文描述: 8-bit Flash microcontrollers
中文描述: 8-BIT, FLASH, 40 MHz, MICROCONTROLLER, PDIP40
封裝: 0.600 INCH, PLASTIC, SOT-129-1, DIP-40
文件頁數(shù): 54/64頁
文件大?。?/td> 360K
代理商: P89C738ABP
1998 Apr 07
54
Philips Semiconductors
Product specification
8-bit Flash microcontrollers
P89C738; P89C739
Note
1.
The operating frequency is limited to: 3.5 MHz
f
clk
40 MHz.
Table 35
External clock drive XTAL1
t
QVWH
data set-up time
before WR
data hold time
after WR
address float
delay after RD
433
288
200
125
7t
clk
150
ns
t
WHQX
33
13
21
5
t
clk
50
ns
t
RLAZ
0
0
0
0
0
ns
SYMBOL
PARAMETER
VARIABLE CLOCK
UNIT
MIN.
MAX.
f
clk
t
CLCL
t
CHCX
t
CLCX
t
CLCH
t
CHCL
t
CY
clock frequency
clock period
high time
low time
rise time
fall time
cycle time (t
CY
= 12t
clk
)
3.5
63
20
20
0.75
40
833
t
clk
t
CLCX
t
clk
t
CHCX
20
20
10
MHz
ns
ns
ns
ns
ns
μ
s
SYMBOL
PARAMETER
12 MHz
16 MHz
24 MHz
40 MHz
VARIABLE CLOCK
(1)
UNIT
MIN. MAX. MIN. MAX. MIN. MAX. MIN. MAX.
MIN.
MAX.
Fig.29 External clock drive XTAL1.
handbook, full pagewidth
MLA856
tCHCX
tCLCX
tCLCL
tCLCH
tCHCL
VIH1
VIH1
0.8 V
0.8 V
VIH1
VIH1
0.8 V
0.8 V
相關PDF資料
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