DS5000(T)
15 of 19
AC CHARACTERISTICS
(cont'd)
PARALLEL PROGRAM LOAD TIMING
(t
A
=0
°
C to 70
°
C; V
CC
=5V
±
5%)
# PARAMETER
SYMBOL
MIN
MAX UNITS
40 Oscillator
Frequency
1/t
CLK
1.0 12.0
MHz
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
t
CLK
49 Data Output from Address Valid
t
AVDV
48
1800*
t
CLK
50 Data Output from P2.7 Low
t
DVP27L
48
1800*
t
CLK
51 Data Float after P2.7 High
t
P27HDZ
0
48
1800*
t
CLK
52 Delay to Reset/
PSEN
Active after Power On
t
PORPV
21504 t
CLK
53 Reset/
PSEN
Active (or Verify Inactive) to
V
PP
High
t
RAVPH
1200
t
CLK
54 V
PP
Inactive (Between Program Cycles)
t
VPPPC
1200
t
CLK
55 Verify Active Time
t
VFT
48
2400*
t
CLK
* Second set of numbers refers to expanded memory programming up to 32k bytes.