參數(shù)資料
型號: SAB83C517A-N18-T4
廠商: INFINEON TECHNOLOGIES AG
元件分類: 微控制器/微處理器
英文描述: 8-BIT, 18 MHz, MICROCONTROLLER, PQCC84
封裝: PLASTIC, LCC-84
文件頁數(shù): 33/137頁
文件大?。?/td> 2089K
代理商: SAB83C517A-N18-T4
Device Specification
Semiconductor Group
7-66
AC Characteristics (cont’d)
Parameter
Symbol
Limit values
Unit
18 MHz clock
Variable clock
1/t CLCL = 3.5 MHz to 18 MHz
min.
max.
min.
max.
External Data Memory Characteristics
RD pulse width
tRLRH
233
6 tCLCL – 100
ns
WR pulse width
tWLWH
233
6 tCLCL – 100
ns
Address hold after ALE
tLLAX2
81
2 tCLCL – 30
ns
RD to valid data in
tRLDV
128
5 tCLCL – 150
ns
Data hold after RD
tRHDX
0–
0
ns
Data float after RD
tRHDZ
–51
2 tCLCL – 60
ns
ALE to valid data in
tLLDV
294
8 tCLCL – 150
ns
Address to valid data in
tAVDV
335
9 tCLCL – 165
ns
ALE to WR or RD
tLLWL
117
217
3 tCLCL – 50
3 tCLCL +50
ns
WR or RD high to ALE
high
tWHLH
16
96
tCLCL – 40
tCLCL +40
ns
Address valid to WR
tAVWL
92
4 tCLCL – 130
ns
Data valid to WR
transition
tQVWX
11
tCLCL – 45
ns
Data setup before WR
tQVWH
239
7 tCLCL – 150
ns
Data hold after WR
tWHQX
16
tCLCL – 40
ns
Address float after RD
tRLAZ
–0
0
ns
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