MAX6955ATL+ Maxim Integrated Products, MAX6955ATL+ Datasheet - Page 31
![IC DRVR DSPL LED 40-TQFN](/photos/6/65/66502/40-qfn_pkg_sml.jpg)
MAX6955ATL+
Manufacturer Part Number
MAX6955ATL+
Description
IC DRVR DSPL LED 40-TQFN
Manufacturer
Maxim Integrated Products
Datasheet
1.MAX6955AAX.pdf
(43 pages)
Specifications of MAX6955ATL+
Display Type
LED
Configuration
7, 14, 16 Segment
Interface
I²C
Current - Supply
22mA
Voltage - Supply
2.7 V ~ 5.5 V
Operating Temperature
-40°C ~ 125°C
Mounting Type
Surface Mount
Package / Case
40-TQFN Exposed Pad
Number Of Digits
16
Number Of Segments
128
Low Level Output Current
935 mA
High Level Output Current
55 mA
Operating Supply Voltage
2.7 V to 5.5 V
Maximum Supply Current
30 mA
Maximum Power Dissipation
2051.3 mW
Maximum Operating Temperature
+ 125 C
Mounting Style
SMD/SMT
Minimum Operating Temperature
- 40 C
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Digits Or Characters
-
Lead Free Status / Rohs Status
Details
Table 35. Key Debounced Register Format (Read Only)
Table 36. Key Pressed Register Format (Read Only)
Table 37. Display Test Register
Normal Operation
Display Test
DEBOUNCED
Debounced
Debounced
Debounced
Debounced
REGISTER
REGISTER
PRESSED
Register
Register
Register
Register
Pressed
Register
Pressed
Register
Pressed
Register
Pressed
Register
Key_A
Key_B
Key_C
Key_D
Key_A
Key_B
Key_C
Key_D
KEY
KEY
MODE
2-Wire Interfaced, 2.7V to 5.5V LED Display
______________________________________________________________________________________
ADDRESS
ADDRESS
CODE
CODE
(HEX)
0x0A
0x0B
(HEX
0x0C
0x0D
0x08
0x09
0x0E
0x0F
Driver with I/O Expander and Key Scan
ADDRESS
CODE
(HEX)
0x07
0x07
SW_A7
SW_B7
SW_C7
SW_D7
SW_A7
SW_B7
SW_C7
SW_D7
D7
D7
D7
X
X
SW_C6
SW_D6
SW_A6
SW_B6
SW_C6
SW_D6
SW_A6
SW_B6
D6
D6
D6
X
X
SW_A5
SW_B5
SW_C5
SW_D5
SW_C5
SW_D5
SW_A5
SW_B5
D5
D5
D5
X
X
SW_C4
SW_D4
SW_A4
SW_B4
SW_C4
SW_D4
SW_A4
SW_B4
REGISTER DATA
REGISTER DATA
D4
D4
REGISTER DATA
D4
X
X
SW_A3
SW_B3
SW_C3
SW_D3
SW_C3
SW_D3
SW_A3
SW_B3
D3
D3
D3
X
X
SW_C2
SW_D2
SW_A2
SW_B2
SW_A2
SW_B2
SW_C2
SW_D2
D2
D2
D2
X
X
SW_A1
SW_B1
SW_C1
SW_D1
SW_A1
SW_B1
SW_C1
SW_D1
D1
D1
D1
X
X
SW_C0
SW_D0
SW_C0
SW_D0
SW_A0
SW_B0
SW_A0
SW_B0
D0
D0
D0
0
1
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