FlashFlex MCU
SST89E516RD2 / SST89E516RD
SST89V516RD2 / SST89V516RD
Data Sheet
14.2 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 14-8: AC Electrical Characteristics (1 of 2)
TA = -40°C to +85°C, VDD = 2.7-3.6V@33MHz, 4.5-5.5V@40MHz, VSS = 0V
Oscillator
33 MHz (x1 Mode)
40 MHz (x1 Mode)
16 MHz (x2 Mode)1 20 MHz (x2 Mode)1
Variable
Symbol
Parameter
Min
0
Max
33
Min
0
Max
40
Min
Max
40
Units
MHz
MHz
ns
0
1/TCLCL
x1 Mode Oscillator Frequency
0
16
0
20
0
20
1/2TCLCL x2 Mode Oscillator Frequency
46
5
35
2TCLCL - 15
TLHLL
TAVLL
ALE Pulse Width
TCLCL - 25 (3V)
TCLCL - 15 (5V)
TCLCL - 25 (3V)
TCLCL - 15 (5V)
ns
Address Valid to ALE Low
10
10
ns
5
ns
TLLAX
TLLIV
TLLPL
Address Hold After ALE Low
ALE Low to Valid Instr In
ALE Low to PSEN# Low
ns
56
4TCLCL - 65 (3V)
4TCLCL - 45 (5V)
ns
55
ns
5
TCLCL - 25 (3V)
TCLCL - 15 (5V)
ns
10
60
ns
66
3TCLCL - 25 (3V)
3TCLCL - 15 (5V)
ns
TPLPH
TPLIV
PSEN# Pulse Width
35
25
3TCLCL - 55 (3V)
3TCLCL - 50 (5V)
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
PSEN# Low to Valid Instr In
25
10
0
TPXIX
TPXIZ
Input Instr Hold After PSEN#
Input Instr Float After PSEN#
TCLCL - 5 (3V)
TCLCL - 15 (5V)
22
17
TCLCL - 8
TPXAV
TAVIV
PSEN# to Address valid
Address to Valid Instr In
72
10
5TCLCL - 80 (3V)
5TCLCL - 60 (5V)
10
65
10
TPLAZ
TRLRH
PSEN# Low to Address Float
RD# Pulse Width
142
142
6TCLCL - 40 (3V)
6TCLCL - 30 (5V)
120
120
6TCLCL - 40 (3V)
6TCLCL - 30 (5V)
ns
TWLWH
TRLDV
Write Pulse Width (WE#)
RD# Low to Valid Data In
62
5TCLCL - 90 (3V)
5TCLCL - 50 (5V)
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
75
0
0
0
TRHDX
TRHDZ
Data Hold After RD#
Data Float After RD#
36
2TCLCL - 25 (3V)
2TCLCL - 12 (5V)
8TCLCL - 90 (3V)
8TCLCL - 50 (5V)
9TCLCL - 90 (3V)
9TCLCL - 75 (5V)
38
152
183
116
TLLDV
TAVDV
TLLWL
TAVWL
ALE Low to Valid Data In
Address to Valid Data In
150
150
90
66
46
3TCLCL - 25 (3V) 3TCLCL + 25 (3V)
3TCLCL - 15 (5V) 3TCLCL + 15 (5V)
ALE Low to RD# or WR# Low
Address to RD# or WR# Low
60
70
4TCLCL - 75 (3V)
4TCLCL - 30 (5V)
ns
ns
©2007 Silicon Storage Technology, Inc.
S71273-03-000
1/07
70
SST [ SILICON STORAGE TECHNOLOGY, INC ]
