參數(shù)資料
型號(hào): MAX6954APL
廠商: MAXIM INTEGRATED PRODUCTS INC
元件分類: 顯示驅(qū)動(dòng)器
英文描述: 4-Wire Interfaced, 2.7V to 5.5V LED Display Driver with I/O Expander and Key Scan
中文描述: LED DISPLAY DRIVER, PDIP40
封裝: PLASTIC, DIP-40
文件頁(yè)數(shù): 3/38頁(yè)
文件大小: 395K
代理商: MAX6954APL
M
4-Wire Interfac ed, 2.7V to 5.5V LED Display
Driver with I/O Expander and K ey S c an
_______________________________________________________________________________________
3
DC ELECTRICAL CHARACTERISTICS (continued)
(Typical Operating Circuit, V+ = 2.7V to 5.5V, T
A
= T
MIN
to T
MAX
, unless otherwise noted.) (Note 1)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
Segment Drive Source Current
I
SEG
V
LED
= 2.2V,
V+
= 3.3V
T
A
= +25
°
C, V+ = 3.3V
T
A
= +25
°
C, V+ = 3.3V
T
A
= +25
°
C
-34.5
-40
-46.5
mA
Segment Current Slew Rate
Segment Drive Current Matching
LOGIC INPUTS AND OUTPUTS
I
SEG
/
t
I
SEG
11
5
mA/μs
%
10
Input Leakage Current
DIN, CLK,
CS
, OSC, P0, P1, P2,
P3, P4
I
IH
, I
IL
-1
+1
μA
4-Wire Logic-High Input Voltage
DIN, CLK,
CS
V
IHSPI
1.8
V
4-Wire Logic-Low Input Voltage
DIN, CLK,
CS
V
ILSPI
0.6
V
Port Logic-High Input Voltage
P0, P1, P2, P3, P4
V
IHP
0.7 x
V+
V
Port Logic-Low Input Voltage
P0, P1, P2, P3, P4
V
ILP
0.3 x
V+
V
Port Hysteresis Voltage P0, P1,
P2, P3, P4
V
IP
0.03 x
V+
V
Port Input Pullup Current from V+
I
IPU
P0 to P3 configured as keyscan input, V+ =
3.3V
75
μA
Port Output Low Voltage
Blink Output Low Voltage
V
OLP
V
OLBK
I
SINK
= 8mA
I
SINK
= 0.6mA
0.3
0.1
0.5
0.3
V
V
DOUT Output High Voltage
V
OHDO
I
SOURCE
= 1.6mA
V+ -
0.2
V
DOUT Output Low Voltage
V
OLDO
I
SINK
= 1.6mA
0.2
V
OSC_OUT Output High Voltage
V
OHOSC
I
SOURCE
= 1.6mA
V+ -
0.4
V
OSC_OUT Output Low Voltage
V
OLOSC
I
SINK
= 1.6mA
0.4
V
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