Philips Semiconductors Product data
PCA9510; PCA9511
Hot swappable I
2
C and
SMBus bus buffer
2003 Dec 18
12
ELECTRICAL CHARACTERISTICS
V
CC
= 2.7 V to 5.5 V; T
amb
= -40 to +85 °C unless otherwise noted.
LIMITS
SYMBOL PARAMETER TEST CONDITIONS
MIN. TYP. MAX.
UNIT
Power supply
V
CC
Supply voltage Note 1. 2.7 — 5.5 V
I
CC
Supply current V
CC
= 5.5 V;
V
SDAIN
= V
SCLIN
= 0 V; Note 1.
— 2.8 6 mA
I
CC(sd)
Supply current in shut-down mode V
ENABLE
= 0 V, all other pins at
V
CC
or GND
— 200 — µA
Start-up circuitry
V
PRE
Precharge voltage SDA, SCL floating; Note 1. 0.8 1.0 1.2 V
V
EN
Enable threshold voltage — 0.5 x V
CC
0.7 x V
CC
V
V
DIS
Disable threshold voltage 0.3 x V
CC
0.5 x V
CC
— V
I
EN
Enable input current Enable from 0 V to V
CC
— ±0.1 ±1 µA
t
EN
Enable delay or initialization time — 130 — µs
t
IDLE
Bus idle time Note 1. 50 120 250 µs
t
DIS
Disable time, ENABLE to Ready — 15 — ns
t
STOP
SDA
IN
to READY deLay after
STOP
Note 7 — 1.3 — µs
t
READY
SCL
OUT
/SDA
OUT
to READY Note 7 — 1.2 — µs
I
OFF
Ready off state leakage current V
EN
= V
CC
— ±0.3 — µA
C
i
ENABLE capacitance V
I
= V
CC
or GND, Note 4 — 2 — pF
C
O
Ready capacitance V
I
= V
CC
or GND, Note 4 — 2 — pF
V
OL(READY)
LOW-level output voltage on
READY pin
I
pull-up
= 3 mA; V
EN
= V
CC;
Note
1.
— — 0.4 V
Rise time accelerators
I
PULLUPAC
Transient boosted pull-up current Positive transition on SDA, SCL,
V
CC
= 2.7 V;
Slew rate = 1.25 V/µs Note 2.
1 2 — mA
Input-output connection
V
OS
Input-output offset voltage 10 kΩ to V
CC
on SDA, SCL;
V
CC
= 3.3 V; Note 1; Note 3.
0 65 150 mV
f
SCL_SDA
operating frequency 0 — 400 kHz
t
PLH
SCL to SCL and SDA to SDA 10 kΩ to V
CC
, C
L
= 100 pF each
side
— 25 — ns
t
PHL
SCL to SCL and SDA to SDA 10 kΩ to V
CC
, C
L
= 100 pF each
side
— 380 — ns
C
IN
Digital input capacitance Note 4 — — 10 pF
V
OL
LOW-level output voltage Input = 0 V,
SDA, SCL pins, I
SINK
= 3 mA;
V
CC
= 2.7 V; Note 1
0 — 0.4 V
I
LI
Input leakage current SDA, SCL pins = V
CC
= 5.5 V — — ±5 µA
