參數(shù)資料
型號(hào): HPC46003
廠商: National Semiconductor Corporation
英文描述: High-Performance microControllers
中文描述: 高性能微控制器
文件頁(yè)數(shù): 2/36頁(yè)
文件大?。?/td> 467K
代理商: HPC46003
AC Electrical Specifications Test Conditions VCC e 45V and 55V (Unless Otherwise Specified) (Note 1)
Symbol
Parameter
Conditions
SBGRP 9
SBGRP 10
SBGRP 11
Units
Notes
a
25 C
a
125 C
b
55 C
Min
Max
Min
Max
Min
Max
fC e CKI Freq
Operating Frequency
2
20
2
20
2
20
MHz
(Note 5)
tCI e 1FC
Clock Period
50
ns
(Note 5)
tC e 2FC
Timing Cycle
100
ns
(Note 5)
tLL e
tC b 9
ALE Pulse Width
41
ns
(Note 6)
tST e
tC b 7
Address Valid to
18
ns
(Note 6)
ALE Falling Edge
tWAIT e tC e WS
Wait State Period
100
ns
(Note 5)
FMW e 00625 fC
External MICROWIREPLUS
125
MHz
(Note 6)
CLK Input Frequency
fU e 0125 fC
External UART
25
MHz
(Note 5)
Clock Input Frequency
tDCIC2
CK2 Delay From CK1
55
ns
(Note 6)
tARR e
tC b 5
ALE Falling Edge
20
ns
(Note 6)
to RD Falling Edge
tRW e
RD Pulse Width
140
ns
(Note 6)
tC a WS b 10
tDR e 34 tC b 15
Data Hold after
0
60
0
60
0
60
ns
(Note 6)
Rising Edge of RD
tRD e
RD Falling Edge to
85
ns
(Note 6)
tC a WS b 65
Data in Valid
tRDA e tC b 15
RD Rising Edge to
85
ns
(Note 6)
Address Valid
tVP e
tC b 5
Address Hold from
20
ns
(Note 6)
ALE Falling Edge
tARW e
tC b 5
ALE Trailing Edge
45
ns
(Note 6)
to WR Falling Edge
tWW e
tC a WS b 15
WR Pulse Width
160
ns
(Note 6)
tHW e
tC b 5
Data Hold after
20
ns
(Note 6)
Trailing Edge of WR
tV e
tC a WS b 5
Data Valid before
145
ns
(Note 6)
Rising Edge of WR
tDAR e
tC a WS b 50 Falling Edge of ALE
75
ns
(Note 6)
to Falling Edge of RDY
10
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