Datasheet

7
Write Cycle Timing Diagram
AC Timing Characteristics Over Temperature Range
V
DD
= 4.5 V to 5.5 V unless otherwise specified.
Symbol Description 25°C Typical Minimum
[1]
Units
F
OSC
Oscillator Frequency 57 28 kHz
F
RF
[5]
Display Refresh Rate 256 128 Hz
F
FL
[6]
Character Flash Rate 2 1 Hz
t
ST
[7]
Self Test Cycle Time 4.6 9.2 Sec
Notes:
5. F
RF
= F
OSC
/224.
6. F
FL
= F
OSC
/28,672.
7. t
ST
= 262,144/F
OSC
.
1
9
8
6
32
CE
7
10
4 2
5
A
0
-A
4
FL
D
0
-D
7
WR
INPUT PULSE LEVELS: 0.6 V to 2.4 V