參數(shù)資料
型號(hào): HDSP-2530
英文描述: Eight Character 5 mm Smart Alphanumeric Display(八字符5 mm 智能文字?jǐn)?shù)字顯示器)
中文描述: 八字5毫米智能字母數(shù)字顯示器(八字符5毫米智能文字?jǐn)?shù)字顯示器)
文件頁(yè)數(shù): 5/16頁(yè)
文件大?。?/td> 410K
代理商: HDSP-2530
5
AC Timing Characteristics over Temperature Range
V
DD
= 4.5 to 5.5 V unless otherwise specified.
Reference
Number
Symbol
Description
Min.
[1]
Units
1
t
ACC
Display Access Time
Write
Read
210
230
ns
2
t
ACS
t
CE
Address Setup Time to Chip Enable
10
ns
3
Chip Enable Active Time
[2, 3]
Write
Read
140
160
ns
4
t
ACH
t
CER
t
CES
Address Hold Time to Chip Enable
20
ns
5
Chip Enable Recovery Time
60
ns
6
Chip Enable Active Prior to Rising Edge of
[2, 3]
Write
Read
140
160
ns
7
t
CEH
Chip Enable Hold Time to Rising Edge of
Read/Write Signal
[2, 3]
0
ns
8
t
W
t
WD
t
DH
t
R
t
RD
t
DF
t
RC
Write Active Time
100
ns
9
Data Valid Prior to Rising Edge of Write Signal
50
ns
10
Data Write Hold Time
20
ns
11
Chip Enable Active Prior to Valid Data
160
ns
12
Read Active Prior to Valid Data
75
ns
13
Read Data Float Delay
10
ns
Reset Active Time
[4]
300
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
Minimum
[1]
Units
F
OSC
F
RF[5]
F
FL[6]
t
ST[7]
Oscillator Frequency
28
kHz
Display Refresh Rate
256
128
Hz
Character Flash Rate
2
1
Hz
Self Test Cycle Time
4.6
9.2
sec
Notes:
5. F
RF
= F
OSC
/224.
6. F
FL
= F
/28,672.
7. t
ST
= 262,144/F
OSC
.
相關(guān)PDF資料
PDF描述
HDSP-253X Eight Character 5 mm Smart Alphanumeric Display
HDSP-303Y 10 mm 1 Digit Slim Font Display(10 mm 1位數(shù)字細(xì)字型前端顯示器)
HDSP-301G 10 mm 1 Digit Slim Font Display(10 mm 1位數(shù)字細(xì)字型前端顯示器)
HDSP-301Y 10 mm 1 Digit Slim Font Display(10 mm 1位數(shù)字細(xì)字型前端顯示器)
HDSP-303A 10 mm 1 Digit Slim Font Display(10 mm 1位數(shù)字細(xì)字型前端顯示器)
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