TCA6416A Datasheet, PDF (3/32 Pages) Texas Instruments – LOW-VOLTAGE 16-BIT I2C AND SMBus I/O EXPANDER WITH INTERRUPT OUTPUT, RESET, AND CONFIGURATION REGISTERS

TCA6416A
www.ti.com ....................................................................................................................................................................................................... SCPS194 – MAY 2009
TSSOP
(PW)
1
TERMINAL
NO.
QFN BGA
(RTW) (ZQS)
22
A3
2
23
B3
3
24
A2
4
1
A1
5
2
C3
6
3
B1
7
4
C1
8
5
C2
9
6
D1
10
7
E1
11
8
D2
12
9
E2
13
10
E3
14
11
E4
15
12
D3
16
13
E5
17
14
D4
18
15
D5
19
16
C5
20
17
C4
21
18
B5
22
19
A5
23
20
A4
24
21
B4
TERMINAL FUNCTIONS
NAME
DESCRIPTION
INT
V_CCI
RESET
P00
P01
P02
P03
P04
P05
P06
P07
GND
P10
P11
P12
P13
P14
P15
P16
P17
ADDR
SCL
SDA
V_CCP
Interrupt output. Connect to V_CCI or V_CCP through a pullup resistor.
Supply voltage of I²C bus. Connect directly to the V_CC of the external I²C master. Provides
voltage-level translation.
Active-low reset input. Connect to V_CCI through a pullup resistor, if no active connection is used.
P-port input/output (push-pull design structure). At power on, P00 is configured as an input.
P-port input/output (push-pull design structure). At power on, P01 is configured as an input.
P-port input/output (push-pull design structure). At power on, P02 is configured as an input.
P-port input/output (push-pull design structure). At power on, P03 is configured as an input.
P-port input/output (push-pull design structure). At power on, P04 is configured as an input.
P-port input/output (push-pull design structure). At power on, P05 is configured as an input.
P-port input/output (push-pull design structure). At power on, P06 is configured as an input.
P-port input/output (push-pull design structure). At power on, P07 is configured as an input.
Ground
P-port input/output (push-pull design structure). At power on, P10 is configured as an input.
P-port input/output (push-pull design structure). At power on, P11 is configured as an input.
P-port input/output (push-pull design structure). At power on, P12 is configured as an input.
P-port input/output (push-pull design structure). At power on, P13 is configured as an input.
P-port input/output (push-pull design structure). At power on, P14 is configured as an input.
P-port input/output (push-pull design structure). At power on, P15 is configured as an input.
P-port input/output (push-pull design structure). At power on, P16 is configured as an input.
P-port input/output (push-pull design structure). At power on, P17 is configured as an input.
Address input. Connect directly to V_CCP or ground.
Serial clock bus. Connect to V_CCI through a pullup resistor.
Serial data bus. Connect to V_CCI through a pullup resistor.
Supply voltage of TCA6416A for P port
Copyright © 2009, Texas Instruments Incorporated
Product Folder Link(s): TCA6416A
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