DS89C420-ENL MAXIM [Maxim Integrated Products], DS89C420-ENL Datasheet - Page 54

• Manufacturer Part Number: DS89C420-ENL
• Description: Ultra-High-Speed Microcontroller
• Manufacturer: MAXIM [Maxim Integrated Products]

Table 20. POWER CYCLE TIMING CHARACTERISTICS
NOTES:
1) Specifications to -40°C are guaranteed by design and not production tested.
2) Startup time for a crystal varies with load capacitance and manufacturer. Time shown is for a
3) Reset delay is a synchronous counter of crystal oscillations after crystal startup. Counting begins
Table 21. FLASH MEMORY PROGRAMMING CHARACTERISTICS
Oscillator Frequency
Address Setup to
Address Hold After
Data Setup to
Data Hold After
Address to Data Valid
Enable Low to Data Valid
Data Float After Enable
Crystal Startup Time
Power-On Reset Delay
PROG
PROG
11.0592MHz crystal manufactured by Fox Electronics.
when the level on the XTAL1 pin meets the V
Pulse Width
High to
PARAMETER
PARAMETER
PROG
PROG
PROG
PROG
Low
PROG
Low
Low
SYMBOL
t
t
CSU
POR
(V
CC
SYMBOL
= 4.5V to 5.5V; T
1 / t
t
t
t
t
t
t
t
t
t
GHAX
GHDX
54 of 58
AVGL
DVGL
GLGH
AVQV
ELQV
EHQZ
GHGL
MIN
CLCL
IH2
(V
CC
criteria. At 33MHz, this time is 1.99ms.
= 4.5V to 5.5V; T
48t
48t
48t
48t
MIN
65,536
85
10
TYP
4
CLCL
CLCL
CLCL
CLCL
0
8
A
= -40°C to +85°C) (Note 1)
TYP
MAX
A
= +21°C to +27°C)
48t
48t
48t
MAX
UNITS
100
t
6
CLCL
CLCL
CLCL
CLCL
ms
UNITS
NOTES
MHz
DS89C420
2
3
s
s