參數(shù)資料
型號(hào): MAX7219
廠商: Maxim Integrated Products, Inc.
英文描述: Serially Interfaced, 8-Digit LED Display Drivers
中文描述: 串行接口、8位、LED顯示驅(qū)動(dòng)器
文件頁數(shù): 3/16頁
文件大?。?/td> 186K
代理商: MAX7219
M
S erially Interfac ed, 8-Digit LED Display Drivers
_______________________________________________________________________________________
3
ELECTRICAL CHARACTERISTICS (continued)
(V+ = 5V ±10%, R
SET
=9.53k
±1%, T
A
= T
MIN
to T
MAX
, unless otherwise noted.)
V
IN
= 0V or V+
DOUT, I
SINK
= 1.6mA
DIN, CLK, LOAD,
CS
DOUT, I
SOURCE
= -1mA
CONDITIONS
μA
-1
1
I
IH
, I
IL
Input Current DIN, CLK,
LOAD,
CS
V
V
0.4
V
OL
V
I
Output Low Voltage
Hysteresis Voltage
TIMING CHARACTERISTICS
V
V
V
3.5
V
IH
V
IL
V
OH
Logic High Input Voltage
Logic Low Input Voltage
Output High Voltage
0.8
V+ - 1
UNITS
MIN
TYP
MAX
SYMBOL
PARAMETER
1
ns
25
t
CSS
CS
Fall to SCLK Rise Setup Time
(MAX7221 only)
ns
ns
ns
100
50
50
t
CP
t
CH
t
CL
CLK Clock Period
CLK Pulse Width High
CLK Pulse Width Low
C
LOAD
= 50pF
ns
ns
ns
25
0
t
DS
t
DH
t
DO
DIN Setup Time
DIN Hold Time
Output Data Propagation Delay
ns
50
t
CSW
Minimum
CS
or LOAD Pulse
High
Data-to-Segment Delay
25
ns
50
t
LDCK
Load-Rising Edge to Next Clock
Rising Edge (MAX7219 only)
ns
0
t
CSH
CLK Rise to
CS
or LOAD Rise
Hold Time
ms
2.25
t
DSPD
LOGIC INPUTS
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