Datasheet
Table Of Contents
- 1. General description
- 2. Features and benefits
- 3. Applications
- 4. Ordering information
- 5. Block diagram
- 6. Pinning information
- 7. Functional description
- 7.1 Device address
- 7.2 Command register
- 7.3 Register definitions
- 7.4 Writing to port registers
- 7.5 Reading the port registers
- 7.5.1 Register 0 - Input port register
- 7.5.2 Register 1 - Polarity inversion register
- 7.5.3 Register 2 - Bus-hold/pull-up/pull-down enable register
- 7.5.4 Register 3 - Pull-up/pull-down selector register
- 7.5.5 Register 4 - Configuration register
- 7.5.6 Register 5 - Output port register
- 7.5.7 Register 6 - Interrupt mask register
- 7.5.8 Register 7 - Interrupt status register
- 7.6 Power-on reset
- 7.7 RESET input
- 7.8 Software reset
- 7.9 Interrupt output (INT)
- 7.10 Standby
- 8. Characteristics of the I2C-bus
- 9. Bus transactions
- 10. Application design-in information
- 11. Limiting values
- 12. Static characteristics
- 13. Dynamic characteristics
- 14. Test information
- 15. Package outline
- 16. Handling information
- 17. Soldering of SMD packages
- 18. Abbreviations
- 19. Revision history
- 20. Legal information
- 21. Contact information
- 22. Contents
PCA9574 All information provided in this document is subject to legal disclaimers. © NXP Semiconductors N.V. 2014. All rights reserved.
Product data sheet Rev. 5 — 25 September 2014 24 of 32
NXP Semiconductors
PCA9574
8-bit I
2
C-bus and SMBus, level translating, low voltage GPIO
15. Package outline
Fig 21. Package outline SOT403-1 (TSSOP16)
UNIT A
1
A
2
A
3
b
p
cD
(1)
E
(2) (1)
eH
E
LL
p
QZywv θ
REFERENCES
OUTLINE
VERSION
EUROPEAN
PROJECTION
ISSUE DATE
IEC JEDEC JEITA
mm
0.15
0.05
0.95
0.80
0.30
0.19
0.2
0.1
5.1
4.9
4.5
4.3
0.65
6.6
6.2
0.4
0.3
0.40
0.06
8
0
o
o
0.13 0.10.21
DIMENSIONS (mm are the original dimensions)
Notes
1. Plastic or metal protrusions of 0.15 mm maximum per side are not included.
2. Plastic interlead protrusions of 0.25 mm maximum per side are not included.
0.75
0.50
SOT403-1 MO-153
99-12-27
03-02-18
w M
b
p
D
Z
e
0.25
18
16
9
θ
A
A
1
A
2
L
p
Q
detail X
L
(A )
3
H
E
E
c
v M
A
X
A
y
0 2.5 5 mm
scale
TSSOP16: plastic thin shrink small outline package; 16 leads; body width 4.4 mm
SOT403-1
A
max.
1.1
pin 1 index
