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參數資料
| 型號： | HDSP-253 |
| 英文描述： | Eight Character 5 mm Smart Alphanumeric Display |
| 中文描述： | 八字5毫米智能字符顯示 |
| 文件頁數： | 5/16頁 |
| 文件大?。?/td> | 201K |
| 代理商： | HDSP-253 |
5
AC Timing Characteristics over Temperature Range
V
DD
= 4.5 to 5.5 V unless otherwise specified.
Reference
Number
1
Symbol
t
ACC
Description
Min.
[1]
Units
Display Access Time
Write
Read
Address Setup Time to Chip Enable
210
230
10
ns
ns
2
t
ACS
t
CE
3
Chip Enable Active Time
[2, 3]
Write
Read
Address Hold Time to Chip Enable
Chip Enable Recovery Time
140
160
20
60
ns
ns
ns
4
5
t
ACH
t
CER
t
CES
6
Chip Enable Active Prior to Rising Edge of
[2, 3]
Write
Read
Chip Enable Hold Time to Rising Edge of
Read/Write Signal
[2, 3]
Write Active Time
140
160
ns
7
t
CEH
0
ns
ns
8
t
W
t
WD
t
DH
t
R
t
RD
t
DF
t
RC
100
9
10
11
Data Valid Prior to Rising Edge of Write Signal
Data Write Hold Time
Chip Enable Active Prior to Valid Data
50
20
160
ns
ns
ns
12
13
Read Active Prior to Valid Data
Read Data Float Delay
Reset Active Time
[4]
75
10
300
ns
ns
ns
Notes:
1. Worst case values occur at an IC junction temperature of 125
°
C.
2. For designers who do not need to read from the display, the Read line can be tied to V
DD
and the Write and Chip Enable lines can be
tied together.
3. Changing the logic levels of the Address lines when CE = "0" may cause erroneous data to be entered into the Character RAM,
regardless of the logic levels of the WR and RD lines.
4. The display must not be accessed until after 3 clock pulses (110
μ
s min. using the internal refresh clock) after the rising edge of the
reset line.
Symbol
Description
25
°
C Typical
57
256
2
Minimum
[1]
Units
F
OSC
F
RF[5]
F
FL[6]
t
ST[7]
Oscillator Frequency
Display Refresh Rate
Character Flash Rate
28
128
1
kHz
Hz
Hz
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
.
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| HDSP-2530 | 功能描述:LED 顯示器和配件 Orange 602nm 5x7 Smart Display RoHS:否 制造商:Avago Technologies 顯示器類型:7 Segment 數位數量:2 字符大小:7.8 mm x 14.22 mm 照明顏色:Red 波長:628 nm 共用管腳:Common Anode 工作電壓:2.05 V 工作電流:20 mA 最大工作溫度:+ 85 C 最小工作溫度:- 35 C 封裝:Tube |
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| HDSP2533 | 制造商:Avago Technologies 功能描述:LED DISPLAY ALPHANUMERIC |
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