SAKC505CA-4EM 查看數據表（PDF） - Siemens AG
零件编号
产品描述 (功能)
比赛名单
SAKC505CA-4EM Datasheet PDF : 85 Pages
| |||
C505 / C505C
C505A / C505CA
AC Characteristics (16 MHz, 0.4 to 0.6 Duty Cycle, cont’d)
External Data Memory Characteristics
Parameter
RD pulse width
WR pulse width
Address hold after ALE
RD to valid data in
Data hold after RD
Data float after RD
ALE to valid data in
Address to valid data in
ALE to WR or RD
Address valid to WR
WR or RD high to ALE high
Data valid to WR transition
Data setup before WR
Data hold after WR
Address float after RD
Symbol
Limit Values
Unit
16-MHz clock
Duty Cycle
0.4 to 0.6
Variable Clock
1/CLP= 2 MHz to 16 MHz
tRLRH
tWLWH
tLLAX2
tRLDV
tRHDX
tRHDZ
tLLDV
tAVDV
tLLWL
tAVWL
tWHLH
tQVWX
tQVWH
tWHQX
tRLAZ
min.
158
158
48
–
0
–
–
–
73
95
10
5
163
5
–
max.
–
–
–
100
–
51
200
200
103
–
40
–
–
–
0
min.
max.
3 CLP - 30 –
ns
3 CLP - 30 –
ns
CLP - 15
–
ns
–
2 CLP+
ns
TCLHmin - 50
0
–
ns
–
CLP - 12
ns
–
4 CLP - 50 ns
–
4 CLP +
ns
TCLHmin -75
CLP +
CLP+
ns
TCLLmin - 15 TCLLmin+ 15
2 CLP - 30 –
ns
TCLHmin - 15 TCLHmin + 15 ns
TCLLmin - 20 –
ns
3 CLP +
–
ns
TCLLmin - 50
TCLHmin - 20 –
ns
–
0
ns
Semiconductor Group
71
1997-12-01
Share Link: 