MAX6954 Maxim, MAX6954 Datasheet - Page 3

• Manufacturer Part Number: MAX6954
• Description: 4-Wire Interfaced / 2.7V to 5.5V LED Display Driver with I/O Expander and Key Scan
• Manufacturer: Maxim

DC ELECTRICAL CHARACTERISTICS (continued)
(Typical Operating Circuit, V+ = 2.7V to 5.5V, T
LOGIC INPUTS AND OUTPUTS
Segment Drive Source Current
Segment Current Slew Rate
Segment Drive Current Matching
Input Leakage Current
DIN, CLK, CS, OSC, P0, P1, P2,
P3, P4
4-Wire Logic-High Input Voltage
DIN, CLK, CS
4-Wire Logic-Low Input Voltage
DIN, CLK, CS
Port Logic-High Input Voltage
P0, P1, P2, P3, P4
Port Logic-Low Input Voltage
P0, P1, P2, P3, P4
Port Hysteresis Voltage P0, P1,
P2, P3, P4
Port Input Pullup Current from V+
Port Output Low Voltage
Blink Output Low Voltage
DOUT Output High Voltage
DOUT Output Low Voltage
OSC_OUT Output High Voltage
OSC_OUT Output Low Voltage
PARAMETER
4-Wire Interfaced, 2.7V to 5.5V LED Display
_______________________________________________________________________________________
Driver with I/O Expander and Key Scan
SYMBOL
V
V
V
V
V
I
V
V
I
OHOSC
OLOSC
V
IH
I
SEG
V
OHDO
V
OLDO
I
OLBK
IHSPI
SEG
ILSPI
I
IPU
OLP
IHP
SEG
ILP
, I
V
IP
IL
/ t
A
= T
V
V+ = 3.3V
T
T
P0 to P3 configured as keyscan input, V+ =
3.3V
I
I
I
I
I
I
SINK
SINK
SOURCE
SINK
SOURCE
SINK
A
A
LED
MIN
= +25°C, V+ = 3.3V
= +25°C, V+ = 3.3V
= 2.2V,
= 8mA
= 0.6mA
= 1.6mA
= 1.6mA
to T
= 1.6mA
= 1.6mA
MAX
, unless otherwise noted.) (Note 1)
CONDITIONS
T
A
= +25°C
-34.5
0.7 x
MIN
V+ -
V+ -
1.8
0.2
0.4
V+
-1
0.03 x
TYP
-40
0.3
0.1
V+
11
75
5
-46.5
MAX
0.3 x
0.6
0.5
0.3
0.2
0.4
+1
V+
10
UNITS
mA/µs
mA
µA
µA
%
V
V
V
V
V
V
V
V
V
V
V
3