DS87C530_1 Datasheet, PDF (35/44 Pages) Dallas Semiconductor – EPROM/ROM Micro with Real Time Clock

DS87C530/DS83C530
POWER CYCLE TIMING CHARACTERISTICS
PARAMETER
SYMBOL MIN TYP MAX UNITS NOTES
Cycle Startup Time
t_CSU
1.8
ms
1
Power-on Reset Delay
t_POR
65536 t_CLCL
2
NOTES FOR POWER CYCLE TIMING:
1. Startup time for crystals varies with load capacitance and manufacturer. Time shown is for an 11.0592
MHz crystal manufactured by Fox.
2. Reset delay is a synchronous counter of crystal oscillations after crystal startup. At 33 MHz, this time
is 1.99 ms.
EPROM PROGRAMMING
AND VERIFICATION
PARAMETER
Programming Voltage
Programming Supply Current
Oscillator Frequency
Address Setup to PROG Low
Address Hold after PROG
Data Setup to PROG Low
Data Hold after PROG
Enable High to V_PP
V_PP Setup to PROG Low
V_PP Hold after PROG
PROG Width
Address to Data Valid
Enable Low to Data Valid
Data Float after Enable
PROG High to PROG Low
SYMBOL
V_PP
I_PP
1/t_CLCL
t_AVGL
t_GHAX
t_DVGL
t_GHDX
t_EHSH
t_SHGL
t_GHSL
t_GLGH
t_AVQV
t_ELQV
t_EHQZ
t_GHGL
(21°C to 27°C; V_CC=4.5V to 5.5V)
MIN TYP MAX UNITS NOTES
12.5
13.0
V
1
50
mA
4
6
MHz
48t_CLCL
48t_CLCL
48t_CLCL
48t_CLCL
48t_CLCL
10
µs
10
µs
90
110
µs
48t_CLCL
48t_CLCL
0
48t_CLCL
10
µs
NOTE:
1. All Voltages are referenced to ground.
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