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參數(shù)資料
| 型號： | LC7982A |
| 廠商： | Sanyo Electric Co.,Ltd. |
| 英文描述： | LCD Dot Matrix Graphics Display Controller(LCD點陣圖象顯示控制器) |
| 中文描述： | 液晶點陣圖形顯示控制器（液晶點陣圖象顯示控制器） |
| 文件頁數(shù)： | 2/18頁 |
| 文件大?。?/td> | 264K |
| 代理商： | LC7982A |
Specifications
Absolute Maximum Ratings
at Ta = 25°C, GND = 0 V
Allowable Operating Ranges
at Ta = –20 to +75°C, GND = 0 V
Electrical Characteristics
at Ta = –20 to +75°C, GND = 0 V, V
DD
= 5 V ±5%
No. 5946-2/18
LC7982A
Parameter
Symbol
Conditions
Ratings
Unit
Maximum supply voltage
V
DD
max
V
I
V
O
Pd max
–0.3 to +7.0
V
Input voltage
–0.3 to V
DD
+0.3
–0.3 to V
DD
+0.3
V
Output voltage
V
Allowable power dissipation
Ta = 75°C
200
mW
Operating temperature
Topr
–20 to +75
°C
Storage temperature
Tstg
–55 to +125
°C
Parameter
Symbol
Conditions
Ratings
Unit
min
typ
max
Supply voltage
V
DD
V
IH
1
V
IL
1
V
IH
2
V
IL
2
4.75
5.25
V
High-level input voltage
Input and I/O pins other than SYNC and CR.
2.2
V
DD
0.8
V
Low-level input voltage
Input and I/O pins other than SYNC and CR.
0
V
High-level input voltage
SYNC, CR
0.7 V
DD
V
DD
V
Low-level input voltage
SYNC, CR
0
0.3 V
DD
V
High-level output voltage
V
OH
1
I
OH
= –0.6 mA, DB0 to DB7, WE,
MA0 to MA15, MD0 to MD7
2.4
V
DD
V
Low-level output voltage
V
OL
1
I
OL
= 1.6 mA, DB0 to DB7, WE,
MA0 to MA15, MD0 to MD7
0
0.4
V
High-level output voltage
V
OH
2
I
OH
= –0.6 mA, SYNC, CPO, FLM,
CL1, CL2, D1, D2, MA, MB
V
DD
– 0.4
V
DD
V
Low-level output voltage
V
OL
2
I
OL
= 0.6 mA, SYNC, CPO, FLM,
CL1, CL2, D1, D2, MA, MB
0
0.4
V
[Internal Clock Operation]
Clock oscillator frequency
f
OSC
Cf = 15 pF ±5%, Rf = 39 k
±2%
*
1
500
600
700
kHz
[External Clock Operation]
Clock operating frequency
f
CP
Duty
*
2
2.5
MHz
Clock duty
*
3
47.5
50
52.5
%
Clock rise time
trcp
*
3
50
ns
Clock fall time
tfcp
*
3
50
ns
Parameter
Symbol
Conditions
Ratings
Unit
min
typ
max
Input leakage current
I
IN
I
CC
1
I
CC
2
I
PL
V
IN
= 0 to V
DD
, CS, E, RS, R/W, RES
RC oscillator, f
OSC
= 600 kHz
External clock, f
CP
= 2.5 MHz
V
IN
= GND, DB0 to DB7, RD0 to RD7, MD0 to MD7
–5
5
μA
Current drain
2
4
mA
3
5
mA
Pull-up current
10
20
μA
(Note 1)
(Note 2)
(Note 3)
Cf = 15 pF ±5%
Rf = 39 k
±2%
(When f
OSC
= 600 kHz (typical))
Duty =
Th
×
100%
Th + T1
Open
Open
Oscillator circuit
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