PCA9508_1 © NXP B.V. 2008. All rights reserved.
Product data sheet Rev. 01 — 28 April 2008 13 of 21
NXP Semiconductors
PCA9508
Hot swappable level translating I
2
C-bus repeater
Fig 12. t
connect
timing
Fig 13. t
idle(connect)
timing
Fig 14. t
stop(connect)
timing
EN
SDAA
SCLB
SDAB
SCLA
wait 200 µs
move until
SCLA goes LOW
002aad716
V
CC
0 V
EN
SCLA
SDAB
SCLB
SDAA
wait 200 µs
move until
SDAA goes LOW
V
CC
0 V
V
CC
0 V
V
CC
0 V
t
connect
t
connect
EN
SCLB
SDAB
SDAA
SCLA
move until
SDAA goes LOW
002aad717
EN
SDAB
SCLB
SCLA
SDAA
V
CC
0 V
V
CC
0 V
V
CC
0 V
move until
SCLA goes LOW
V
CC
0 V
V
CC
0 V
t
idle(connect)
t
idle(connect)
002aad718
EN
SCLA
SDAA
SCLB
SDAB
move until
SCLB goes LOW
V
CC
0 V
V
CC
0 V
t
stop(connect)
PCA9508_1 © NXP B.V. 2008. All rights reserved.
Product data sheet Rev. 01 — 28 April 2008 14 of 21
NXP Semiconductors
PCA9508
Hot swappable level translating I
2
C-bus repeater
11. Test information
R
L
= load resistor; 1.35 k on B side; 167 on A side
C
L
= load capacitance includes jig and probe capacitance; 57 pF
R
T
= termination resistance should be equal to Z
o
of pulse generators
Fig 15. Test circuit for open-drain outputs
PULSE
GENERATOR
V
O
C
L
R
L
002aab649
R
T
V
I
V
CC(B)
V
CC(B)
DUT
V
CC(A)
PCA9508_1 © NXP B.V. 2008. All rights reserved.
Product data sheet Rev. 01 — 28 April 2008 15 of 21
NXP Semiconductors
PCA9508
Hot swappable level translating I
2
C-bus repeater
12. Package outline
Fig 16. Package outline SOT96-1 (SO8)
UNIT
A
max.
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
inches
1.75
0.25
0.10
1.45
1.25
0.25
0.49
0.36
0.25
0.19
5.0
4.8
4.0
3.8
1.27
6.2
5.8
1.05
0.7
0.6
0.7
0.3
8
0
o
o
0.25 0.10.25
DIMENSIONS (inch dimensions are derived from the original mm dimensions)
Notes
1. Plastic or metal protrusions of 0.15 mm (0.006 inch) maximum per side are not included.
2. Plastic or metal protrusions of 0.25 mm (0.01 inch) maximum per side are not included.
1.0
0.4
SOT96-1
X
w M
θ
A
A
1
A
2
b
p
D
H
E
L
p
Q
detail X
E
Z
e
c
L
v M
A
(A )
3
A
4
5
pin 1 index
1
8
y
076E03 MS-012
0.069
0.010
0.004
0.057
0.049
0.01
0.019
0.014
0.0100
0.0075
0.20
0.19
0.16
0.15
0.05
0.244
0.228
0.028
0.024
0.028
0.012
0.010.010.041 0.004
0.039
0.016
0 2.5 5 mm
scale
SO8: plastic small outline package; 8 leads; body width 3.9 mm
SOT96-1
99-12-27
03-02-18

PCA9508D,118

Mfr. #:
Manufacturer:
NXP Semiconductors
Description:
Interface - Signal Buffers, Repeaters HOTSWAP LVTTL
Lifecycle:
New from this manufacturer.
Delivery:
DHL FedEx Ups TNT EMS
Payment:
T/T Paypal Visa MoneyGram Western Union

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