20T202DA1J Pacer Components, 20T202DA1J Datasheet - Page 5

• Manufacturer Part Number: 20T202DA1J
• Description: Vacuum Fluorescent Display Module
• Manufacturer: Pacer Components

2X20 LCD Compatible VFD Module
4.7 Timing Chart and AC Characteristics
4.7.1 Power-on Reset Timing
4.7.2 M68 type CPU Bus Interface Timing
VCC
/WR
/RST
R/W
RS
E
R/W
RS
E
DB0~DB7
DB0~DB7
(*) Note-2: Internal Reset Timing Interval
t
t
SU
SU
t
1ms/Min.
20ns/Min.
20ns/Min.
OFF
(RS,/R/W)
(RS,/R/W)
(VCC)
Fig.-3. Data Read-out Timing for M68 Interface Mode
Fig.-2. Data Write-in Timing for M68 Interface Mode
Fig.-1. Power-on Reset and /RST Signal Timing
100us/Min.
T
1us/Min.
t
t
r
DELAY
160ns/Max.
WAIT
(VCC)
230ns/Min.
230ns/Min.
(*)
(DATA)
t
t
WH
WH
20T202DA1J (Rev. 3.0)
(E)
(E)
t
80ns/Min.
SU
500ns/Min.
500ns/Min.
(DATA)
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t
t
CYC
CYC
Effective Data Output
(E)
(E)
Valid Data Input
t
t
t
t
10ns/Min.
H
H
H
H
5ns/Min.
10ns/Min.
10ns/Min.
(RS,R/W)
(DATA)
(RS,R/W)
(DATA)
500ns/Min.
230ns/Min.
230ns/Min.
T
T
t
WL
WL
/RST
(E)
(E)