MAX6957ANI Maxim Integrated Products, MAX6957ANI Datasheet - Page 3

• Manufacturer Part Number: MAX6957ANI
• Description: IC DRIVER LED PORT 20/28 28-DIP
• Manufacturer: Maxim Integrated Products

Specifications of MAX6957ANI

• Display Type: LED
• Configuration: 7, 16, 20 Segment
• Interface: 4-Wire Serial
• Current - Supply: 180µA
• Voltage - Supply: 2.5 V ~ 5.5 V
• Operating Temperature: -40°C ~ 125°C
• Mounting Type: Through Hole
• Package / Case: 28-DIP (0.300", 7.62mm)
• Number Of Segments: 28
• Low Level Output Current: 18 mA
• Operating Supply Voltage: 2.5 V to 5.5 V
• Maximum Supply Current: 230 uA
• Maximum Power Dissipation: 1143 mW
• Maximum Operating Temperature: + 125 C
• Mounting Style: Through Hole
• Minimum Operating Temperature: - 40 C
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Digits Or Characters: -

TIMING CHARACTERISTICS (Figure 3)
(V+ = 2.5V to 5.5V, T
ELECTRICAL CHARACTERISTICS (continued)
(Typical Operating Circuit, V+ = 2.5V to 5.5V, T
Note 1: All parameters tested at T
Note 2: Guaranteed by design.
CLK Clock Period
CLK Pulse Width High
CLK Pulse Width Low
CS Fall to SCLK Rise Setup Time
CLK Rise to CS Rise Hold Time
DIN Setup Time
DIN Hold Time
Output Data Propagation Delay
Minimum CS Pulse High
Port Sink Current
Output Short-Circuit Current
Port Drive LED Sink Current,
Port Configured as LED Driver
Port Drive Logic Sink Current,
Port Configured as LED Driver
Port LED Sink Current Matching
Input High-Voltage SCLK, DIN,
CS
Input Low-Voltage SCLK, DIN, CS
Input Leakage Current SCLK,
DIN, CS
Output High-Voltage DOUT
Output Low-Voltage DOUT
28-Port LED Display Driver and I/O Expander
PARAMETER
PARAMETER
4-Wire-Interfaced, 2.5V to 5.5V, 20-Port and
A
_______________________________________________________________________________________
= T
MIN
to T
MAX
A
SYMBOL
= +25°C. Specifications over temperature are guaranteed by design.
I
PORT_SC
SYMBOL
ΔI
, unless otherwise noted.) (Note 1)
I
I
I
IH
OLSC
PORT
V
V
I
V
t
PORT
V
t
t
OL
CSW
OH
t
t
t
t
t
CSS
CSH
t
, I
OL
IH
CH
DH
DO
IL
CP
CL
DS
IL
A
V
Port configured output low, shorted to V+
V+ = 2.5V, V
current
V+ = 3.3V, V
current (Note 2)
V+ = 5.5V, V
current
V+ = 2.5V, V
current
V+ = 5.5V, V
current
V+ ≤ 3.3V
V+ > 3.3V
I
I
SOURCE
SINK
= T
PORT
C
LOAD
MIN
= 1.6mA
= 0.6V
to T
= 1.6mA
= 25pF
MAX
LED
LED
LED
OUT
OUT
CONDITIONS
, unless otherwise noted.) (Note 1)
= 2.3V at maximum LED
= 2.4V at maximum LED
= 2.4V at maximum LED
CONDITIONS
= 0.6V at maximum LED
= 0.6V at maximum LED
2.75
18.5
18.5
V+ -
MIN
38.4
MIN
9.5
1.6
-50
0.5
9.5
9.5
19
19
19
19
19
0
0
2
2
TYP
TYP
13.5
10
24
25
23
24
11
6
MAX
MAX
27.5
28.0
+50
0.6
0.4
18
20
18
30
28
21
UNITS
UNITS
mA
mA
mA
mA
nA
ns
ns
ns
ns
ns
ns
ns
ns
ns
%
V
V
V
V
3