SST89E554 查看數據表（PDF） - Silicon Storage Technology
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SST89E554 Datasheet PDF : 58 Pages
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FlashFlex51 MCU
SST89E564 / SST89V564 / SST89E554 / SST89V554
Preliminary Specifications
10.4 AC Electrical Characteristics
AC Characteristics: (Over Operating Conditions: Load Capacitance for Port 0, ALE#, and PSEN# = 100pF; Load
Capacitance for All Other Outputs = 80pF)
TABLE 10-5: AC ELECTRICAL CHARACTERISTICS (1 OF 2)
Tamb = 0°C TO +70°C OR -40°C TO +85°C, VDD = 2.7-3.6 @25MHZ, 4.5-5.5 @ 40MHZ, VSS = 0
Oscillator
25MHz
40MHz
Variable
Symbol
1/TCLCL
TLHLL
TAVLL
TLLAX
TLLIV
TLLPL
TPLPH
TPLIV
TPXIX
TPXIZ
TAVIV
TPLAZ
TRLRH
TWLWH
TRLDV
TRHDX
TRHDZ
TLLDV
TAVDV
TLLWL
TAVWL
TQVWX
Parameter
Oscillator Frequency
ALE Pulse Width
Address Valid to ALE Low
Address Hold After ALE Low
ALE Low to Valid Instr In
ALE Low to PSEN# Low
PSEN# Pulse Width
PSEN# Low to Valid Instr In
Input Instr Hold After PSEN#
Input Instr Float After PSEN#
Address to Valid Instr In
PSEN# Low to Address Float
RD# Pulse Width
Write Pulse Width (WE#)
RD# Low to Valid Data In
Data Hold After RD#
Data Float After RD#
ALE Low to Valid Data In
Address to Valid Data In
ALE Low to RD# or WR# Low
Address to RD# or WR# Low
Data Valid to WR# High to Low
Transition
Min Max Min Max
65
35
15
10
15
10
95
55
15
10
95
60
65
25
35
10
120
65
10
10
200
120
200
120
110
75
0
0
55
38
230
150
270
150
95 145
60 90
85
70
0
0
Min
0
2TCLCL - 15
TCLCL - 25 (3V)
TCLCL - 15 (5V)
TCLCL - 25 (3V)
TCLCL - 15 (5V)
TCLCL - 25 (3V)
TCLCL - 15 (5V)
3TCLCL - 25 (3V)
3TCLCL - 15 (5V)
0
6TCLCL - 40 (3V)
6TCLCL - 30 (5V)
6TCLCL - 40 (3V)
6TCLCL - 30 (5V)
0
3TCLCL - 25 (3V)
3TCLCL - 15 (5V)
4TCLCL - 75 (3V)
4TCLCL - 30 (5V)
Max
40
4TCLCL - 65 (3V)
4TCLCL - 45 (5V)
3TCLCL - 55 (3V)
3TCLCL - 50 (5V)
TCLCL - 5 (3V)
TCLCL - 15 (5V)
5TCLCL - 80 (3V)
5TCLCL - 60 (5V)
10
5TCLCL - 90 (3V)
5TCLCL - 50 (5V)
2TCLCL - 25 (3V)
2TCLCL - 12 (5V)
8TCLCL - 90 (3V)
8TCLCL - 50 (5V)
9TCLCL - 90 (3V)
9TCLCL - 75 (5V)
3TCLCL + 25 (3V)
3TCLCL + 15 (5V)
0
Units
MHz
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
TWHQX
Data Hold After WR#
13
TCLCL - 27 (3V)
ns
5
TCLCL - 20 (5V)
ns
©2001 Silicon Storage Technology, Inc.
51
S71181-03-000 9/01 384
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