SST89V54RD2 Silicon Storage Technology, Inc., SST89V54RD2 Datasheet - Page 67

• Manufacturer Part Number: SST89V54RD2
• Description: Flashflex51 Mcu
• Manufacturer: Silicon Storage Technology, Inc.

FlashFlex MCU
SST89V54RD2/RD / SST89V58RD2/RD
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 14-7: AC Electrical Characteristics (1 of 2)
©2007 Silicon Storage Technology, Inc.
Symbol
1/T
1/2T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
AVLL
AVIV
AVDV
LHLL
LLAX
LLIV
LLPL
PLPH
PLIV
PXIX
PXIZ
PXAV
PLAZ
RLRH
WLWH
RLDV
RHDX
RHDZ
LLDV
CLCL
CLCL
Parameter
x1 Mode Oscillator Frequency
x2 Mode 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#
PSEN# to Address valid
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
T
A
= -40°C to +85°C, V
DD
16 MHz (x2 Mode)
33 MHz (x1 Mode)
Min
142
142
= 2.7-3.6V@33MHz, 4.5-5.5V@40MHz, V
46
66
22
0
0
5
5
5
0
Max
152
183
33
16
56
35
25
72
10
62
36
1
67
20 MHz (x2 Mode)
40 MHz (x1 Mode)
Min
120
120
35
10
10
10
60
17
0
0
0
Max
Oscillator
150
150
40
20
55
25
10
65
10
75
38
1
3T
3T
6T
6T
6T
6T
T
T
T
T
T
T
CLCL
CLCL
CLCL
CLCL
CLCL
CLCL
2T
CLCL
CLCL
CLCL
CLCL
CLCL
CLCL
T
CLCL
CLCL
Min
- 25 (3V)
- 15 (5V)
- 25 (3V)
- 15 (5V)
- 25 (3V)
- 15 (5V)
0
0
- 25 (3V)
- 15 (5V)
0
- 40 (3V)
- 30 (5V)
- 40 (3V)
- 30 (5V)
0
- 15
- 8
SS
Variable
= 0V
4T
4T
3T
3T
5T
5T
5T
5T
2T
2T
8T
8T
9T
9T
T
T
CLCL
CLCL
CLCL
CLCL
CLCL
CLCL
CLCL
CLCL
CLCL
CLCL
CLCL
CLCL
CLCL
CLCL
CLCL
CLCL
S71255-10-000
Max
40
20
10
- 15 (5V)
- 65 (3V)
- 45 (5V)
- 55 (3V)
- 50 (5V)
- 5 (3V)
- 80 (3V)
- 60 (5V)
- 90 (3V)
- 50 (5V)
- 25 (3V)
- 12 (5V)
- 90 (3V)
- 50 (5V)
- 90 (3V)
- 75 (5V)
Data Sheet
Units
MHz
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
12/07