NXP Semiconductors
PCA9544A
4-channel I2C-bus multiplexer with interrupt logic
TSSOP20: plastic thin shrink small outline package; 20 leads; body width 4.4 mm
SOT360-1
D
y
Z
20
c
11
E
A
X
HE
vM A
pin 1 index
1
e
10
wM
bp
A2
A1
Q
(A 3)
A
θ
Lp
L
detail X
0
2.5
5 mm
scale
DIMENSIONS (mm are the original dimensions)
UNIT
A
max.
A1
A2
A3
bp
c
D (1) E (2)
e
HE
mm
1.1
0.15
0.05
0.95
0.80
0.25
0.30
0.19
0.2
0.1
6.6
6.4
4.5
4.3
0.65
6.6
6.2
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.
OUTLINE
VERSION
IEC
REFERENCES
JEDEC
JEITA
SOT360-1
MO-153
L
Lp
Q
v
w
y
Z (1) θ
1
0.75 0.4
0.50 0.3
0.2 0.13 0.1
0.5
0.2
8o
0o
EUROPEAN
PROJECTION
ISSUE DATE
99-12-27
03-02-19
Fig 17. Package outline SOT360-1 (TSSOP20)
PCA9544A_4
Product data sheet
Rev. 04 — 15 June 2009
© NXP B.V. 2009. All rights reserved.
19 of 26