DS5000FP_05 Datasheet, PDF (16/22 Pages) Dallas Semiconductor – Soft Microprocessor Chip

AC CHARACTERISTICS: PARALLEL PROGRAM LOAD TIMING
(V_CC = 5V ±5%, T_A = 0°C to +70°C.)
#
PARAMETER
SYMBOL
MIN
MAX
40 Oscillator Frequency
1/t_CLK
1.0
12.0
41 Address Setup to PROG Low
t_AVPRL
0
42 Address Hold after PROG High
t_PRHAV
0
43 Data Setup to PROG Low
t_DVPRL
0
44 Data Hold after PROG High
t_PRHDV
0
45 P2.7, 2.6, 2.5 Setup to V_PP
t_P27HVP
0
46 V_PP Setup to PROG Low
t_VPHPRL
0
47 V_PP Hold after PROG Low
t_PRHVPL
0
48 PROG Width Low
t_PRW
2400
49 Data Output from Address Valid
t_AVDV
48
(1800*)
50 Data Output from P2.7 Low
t_DVP27L
48
(1800*)
51 Data Float after P2.7 High
t_P27HDZ
0
48
(1800*)
52 Delay to Reset/ PSEN Active after Power-On
t_PORPV
21,504
53 ^{Reset/ PSEN Active (or Verify Inactive) to VPP}
High
t_RAVPH
1200
54 V_PP Inactive (Between Program Cycles)
55 Verify Active Time
t_VPPPC
t_VFT
1200
48
(2400*)
*Second set of numbers refers to expanded memory programming up to 32kBytes.
DS5000FP
UNITS
MHz
t_CLK
t_CLK
t_CLK
t_CLK
t_CLK
t_CLK
t_CLK
t_CLK
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