SST89C54-33-I-PJ View Datasheet(PDF) - Silicon Storage Technology
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SST89C54-33-I-PJ Datasheet PDF : 50 Pages
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FlashFlex51 MCU
SST89C54 / SST89C58
AC ELECTRICAL CHARACTERISTICS
Preliminary Specifications
AC Characteristics: (Over Operating Conditions; Load Capacitance for Port 0, ALE, and PSEN# = 100pF; Load
Capacitance for All Other Outputs = 80pF)
TABLE 14: AC ELECTRICAL CHARACTERISTICS
TAMB = 0°C TO +70°C OR -40°C TO +85°C, VDD = 3V±10% @ 12MHZ, 5V±10% @ 33MHZ, VSS = 0
Symbol
Parameter
Oscillator
Units
12MHz
33MHz
Min Max Min Max
Variable
Min.
Max.
1/TCLCL
TLHLL
TAVLL
TLLAX
TLLIV
TLLPL
TPLPH
TPLIV
TPXIX
TPXIZ
TAVIV
TPLAZ
TRLRH
TWLWH
TRLDV
TRHDX
TRHDZ
TLLDV
TAVDV
TLLWL
TAVWL
TQVWX
TWHQX
TQVWH
TRLAZ
TWHLH
Oscillator Frequency
ALE Pulse Width
127
Address Valid to ALE Low
43
Address Hold After ALE Low 53
ALE Low to Valid Instr In
ALE Low to PSEN# Low
53
PSEN# Pulse Width
205
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
400
Write Pulse Width (WE#)
400
RD# Low to Valid Data In
Data Hold After RD#
0
Data Float After RD#
ALE Low to Valid Data In
Address to Valid Data In
ALE Low to RD# or WR# Low 200
Address to RD# or WR# Low 203
Data Valid to WR# Transition 33
Data Hold After WR#
33
Data Valid to WR# High
433
RD# Low to Address Float
RD# to WR# High to ALE High 43
0
33
MHz
20
2TCLCL - 40
ns
TCLCL - 40 (5V)
ns
5
TCLCL - 25 (3V)
ns
TCLCL - 30 (5V)
ns
5
TCLCL - 25 (3V)
ns
234
56
4TCLCL - 100 (5V)
ns
4TCLCL - 65 (3V)
ns
TCLCL - 30 (5V)
ns
5
TCLCL - 25 (3V)
ns
46
3TCLCL - 45
ns
145
35
3TCLCL - 105 (5V)
ns
3TCLCL - 55 (3V)
ns
0
ns
59
5
TCLCL - 25 (5V)
ns
TCLCL - 25 (3V)
ns
312
71
5TCLCL - 105 (5V)
ns
5TCLCL - 80 (3V)
ns
10
10
10
ns
82
6TCLCL - 100
ns
82
6TCLCL - 100
ns
252
61
5TCLCL - 165 (5V)
ns
5TCLCL - 90 (3V)
ns
0
0
ns
107
35
2TCLCL - 60 (5V)
ns
2TCLCL - 25 (3V)
ns
517
150
8TCLCL - 150 (5V)
ns
8TCLCL - 90 (3V)
ns
585
180
9TCLCL - 165 (5V)
ns
9TCLCL - 90 (3V)
ns
300
40
140
3TCLCL - 50
3TCLCL + 50
ns
4TCLCL – 130 (5V)
ns
46
4TCLCL – 75 (3V)
ns
TCLCL - 50 (5V)
ns
0
TCLCL - 30 (3V)
ns
TCLCL - 50 (5V)
ns
3
TCLCL - 27 (3V)
ns
7TCLCL - 150 (5V)
ns
140
7TCLCL - 70 (3V)
ns
0
0
0
ns
123
5
TCLCL - 40 (5V) TCLCL + 40 (5V)
ns
55
TCLCL - 25 (3V) TCLCL + 25 (3V)
ns
344 PGM T14.2
© 2000 Silicon Storage Technology, Inc.
42
344-2 8/00
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