SST89V58RD Silicon Storage Technology, SST89V58RD Datasheet - Page 73

• Manufacturer Part Number: SST89V58RD
• Description: FlashFlex51 MCU
• Manufacturer: Silicon Storage Technology

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FlashFlex51 MCU
SST89E52RD2/RD / SST89E54RD2/RD / SST89E58RD2/RD
SST89V52RD2/RD / SST89V54RD2/RD / SST89V58RD2/RD
TABLE 14-9: External Clock Drive
©2006 Silicon Storage Technology, Inc.
Symbol
1/T
T
T
T
T
T
CLCL
CHCX
CLCX
CLCH
CHCL
FIGURE 14-5: External Data Memory Write Cycle
FIGURE 14-6: External Clock Drive Waveform
CLCL
PORT 0
PORT 2
PSEN#
Parameter
Oscillator Frequency
High Time
Low Time
Rise Time
Fall Time
WR#
ALE
V DD - 0.5
0.45 V
A0-A7 FROM RI or DPL
T LHLL
T AVLL
0.2 V DD - 0.1
P2[7:0] or A8-A15 FROM DPH
T AVWL
0.7V DD
T CHCL
Min
T LLAX
T QVWX
83
T LLWL
12MHz
Max
20
20
T CLCX
73
T QVWH
T WLWH
DATA OUT
8.75
8.75
Min
25
40MHz
T CLCL
Max
10
10
Oscillator
T CLCH
T CHCX
T WHQX
T WHLH
A0-A7 FROM PCL
0.35T
0.35T
Min
0
A8-A15 FROM PCH
CLCL
CLCL
1255 F38.0
Variable
0.65T
0.65T
INSTR IN
Max
1255 F37.0
40
S71255-05-000
CLCL
CLCL
Data Sheet
T14-9.0 1255
Units
MHz
ns
ns
ns
ns
ns
5/06