參數(shù)資料
型號(hào): ICM7228CIPIZ
廠商: INTERSIL CORP
元件分類: 顯示驅(qū)動(dòng)器
英文描述: 8-Digit, Microprocessor-Compatible, LED Display Decoder Driver
中文描述: LED DISPLAY DRIVER, PDIP28
封裝: ROHS COMPLIANT, PLASTIC, MS-011AB, DIP-28
文件頁(yè)數(shù): 6/18頁(yè)
文件大?。?/td> 310K
代理商: ICM7228CIPIZ
6
ICM7228
Timing Diagrams
FIGURE 1. ICM7228A/B WRITE CYCLE
FIGURE 2. ICM7228A/B SEQUENTIAL 8-DIGIT RAM UPDATE
FIGURE 3. ICM7228C WRITE CYCLE
FIGURE 4. DISPLAY DIGITS MULTIPLEX (COMMON ANODE DISPLAY)
t
MS
t
WL
t
DS
t
MH
MODE
INPUT
DATA
VALID
t
DH
t
WH
WRITE
DECODE/NO DECODE ID5
SHUTDOWN ID4
DATA COMING ID7
(D8)
(D1)
MODE
CONTROL WORD
TYPE OF DECODERID6
DECODE/NO DECODE ID5
SHUTDOWNID4
DATA COMING ID7
CONTROL WORD
TYPE OF DECODERID6
DON’T CARE
WRITE DATA
8 PULSES
WRITE
VALID DATA
VALID
t
WL
t
WH
t
AS
t
AH
t
DH
t
DS
DATA
WRITE
DIGIT
ADDRESS
DAO-DAZ
INTERDIGIT BLANKING
INTERNAL SIGNAL
TYPICAL DIGITS
OUTPUT PULSES
10
μ
s (TYP)
FREE RUNNING
320
μ
s (TYP)
FREE RUNNING (PER DIGIT)
INTERDIGIT BLANKING
D2
D5
D1
D7
D8
D6
D4
D3
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