DS83C530 Maxim, DS83C530 Datasheet - Page 38

• Manufacturer Part Number: DS83C530
• Description: The DS87C530/DS83C530 EPROM/ROM microcontrollers with a real-time clock (RTC) are 8051-compatible microcontrollers based on the Dallas Semiconductor high-speed core
• Manufacturer: Maxim

Note 1:
Note 2:
EXPLANATION OF AC SYMBOLS
In an effort to remain compatible with the original 8051 family, this device specifies the same parameters
as such devices, using the same symbols. For completeness, the following is an explanation of the
symbols.
POWER-CYCLE TIMING CHARACTERISTICS
EPROM PROGRAMMING AND VERIFICATION
(V
Note 1: All voltages are referenced to ground.
Cycle Startup Time
Power-On Reset Delay
Programming Voltage
Programming Supply Current
Oscillator Frequency
Address Setup to
Address Hold after
Data Setup to
Data Hold after
Enable High to V
V
V
Address to Data Valid
Enable Low to Data Valid
Data Float after Enable
PROG
PROG
t
A Address
C Clock
D Input data
H Logic level high
L Logic level low
CC
PP
PP
= 4.5V to 5.5V, T
Setup to
Hold after
Time
Startup time for crystals varies with load capacitance and manufacturer. Time shown is for an 11.0592MHz crystal manufactured by
Fox.
Reset delay is a synchronous counter of crystal oscillations after crystal startup. At 33MHz, this time is 1.99ms.
Width
High to
PARAMETER
PARAMETER
PROG
PROG
PROG
PROG
PROG
PP
PROG
PROG
Low
A
Low
= +21°C to +27°C.)
Low
Low
DS87C530/DS83C530 EPROM/ROM Microcontrollers with Real-Time Clock
I
P
Q
R
V
SYMBOL
SYMBOL
1/t
Instruction
PSEN
Output data
RD signal
Valid
t
t
t
t
t
t
t
t
t
t
t
t
GHAX
GHDX
AVQV
t
t
AVGL
DVGL
GLGH
GHGL
V
EHSH
SHGL
GHSL
ELQV
EHQZ
I
CSU
POR
CLCL
PP
PP
38 of 45
48t
48t
48t
48t
48t
MIN
MIN
12.5
10
10
90
10
4
0
CLCL
CLCL
CLCL
CLCL
CLCL
TYP
TYP
1.8
65,536
W
X
Z
48t
48t
48t
MAX
MAX
13.0
110
50
6
CLCL
CLCL
CLCL
WR signal
No longer a valid logic
level
Tri-State
UNITS
UNITS
t
MHz
CLCL
ms
mA
s
s
s
s
V
NOTES
NOTES
1
2
1