SST89E58RD2-40-C-PI Ver la hoja de datos (PDF) - Silicon Storage Technology
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SST89E58RD2-40-C-PI Datasheet PDF : 91 Pages
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FlashFlex51 MCU
SST89E52RD2 / SST89E54RD2 / SST89E58RD2 / SST89E516RD2
SST89V52RD2 / SST89V54RD2 / SST89V58RD2 / SST89V516RD2
Preliminary Specifications
ALE
PSEN#
WR#
PORT 0
PORT 2
TLHLL
TWHLH
TLLWL
TWLWH
TAVLL
TLLAX
TQVWX
A0-A7 FROM RI or DPL
TAVWL
TQVWH
DATA OUT
P2[7:0] or A8-A15 FROM DPH
TWHQX
A0-A7 FROM PCL
INSTR IN
A8-A15 FROM PCH
1255 F37.0
FIGURE 14-5: EXTERNAL DATA MEMORY WRITE CYCLE
TABLE 14-9: EXTERNAL CLOCK DRIVE
Symbol
1/TCLCL
TCLCL
TCHCX
TCLCX
TCLCH
TCHCL
Parameter
Oscillator Frequency
High Time
Low Time
Rise Time
Fall Time
12MHz
Min Max
83
20
20
Oscillator
40MHz
Variable
Min Max
Min
Max
0
40
25
8.75
8.75
10
0.35TCLCL
0.35TCLCL
0.65TCLCL
0.65TCLCL
10
Units
MHz
ns
ns
ns
ns
ns
T14-9.0 1255
VDD - 0.5
0.45 V
0.7VDD
0.2 VDD - 0.1
TCHCL
TCLCX
TCHCX
TCLCH
TCLCL
FIGURE 14-6: EXTERNAL CLOCK DRIVE WAVEFORM
1255 F38.0
©2004 Silicon Storage Technology, Inc.
78
S71255-00-000
3/04
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