參數(shù)資料
型號(hào)： KS88P4632
廠商： SAMSUNG SEMICONDUCTOR CO. LTD.
英文描述： new SAM8 family of 8-bit single-chip CMOS microcontrollers offers a fast and efficient CPU, a wide range of integrated peripherals, and various mask-p
中文描述： 新型8 SAM8系列位單芯片CMOS微控制器提供了快速，高效的CPU，一個(gè)廣泛的集成外設(shè)，以及各種面具磷
文件頁(yè)數(shù)： 27/34頁(yè)
文件大?。?/td> 246K
代理商： KS88P4632
KS88C4616/C4632/P4632
ELECTRICAL DATA
19-13
Table 19-12. External Memory Timing Characteristics (8 MHz)
(T
A
= – 40
°
C to + 85
°
C, V
DD
= 2.7 V to 5.5 V)
Number
Symbol
Parameter
Normal Timing (ns)
Min
10
Max
–
1
t
dA
(AS)
t
dAS
(A)
t
dAS
(DR)
t
wAS
t
dA
(DS)
t
wDS
(read)
t
wDS
(write)
t
dDS
(DR)
t
hDS
(DR)
t
dDS
(A)
t
dDS
(AS)
t
dDO
(DS)
t
dRW
(AS)
t
dDS
(DW)
Address valid to
↑
delay
2
↑
to address float delay
↑
to read data required valid
Low width
35
–
3
–
140
4
43.75 (35)
–
5
Address float to
↓
0
–
6a
(read) Low width
156.25 (125)
–
6b
(write) Low width
81.25 (65)
–
7
↓
to read data required valid
Read data to
–
80
8
↑
hold time
0
–
9
↑
to address active delay
↑
to
↓
delay
Write data valid to
20
–
10
30
–
11
(write)
↓
delay
↑
delay
10
–
12
R/ valid to
20
–
13
↑
to write data not valid delay
20
–
NOTES
:
1.
2.
3.
All times are in nanoseconds (ns) and assume an 8-MHz input frequency.
Wait states add 100 ns to the time of numbers 3, 6a, 6b, and 7.
The values for twAS and twDS that are shown in parentheses "( )" assume a 10-MHz input clock.
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