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부품번호 | PCA9516A 기능 |
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기능 | 5-channel I2C hub | ||
제조업체 | NXP Semiconductors | ||
로고 | |||
전체 13 페이지수
www.DataSheet4U.com
INTEGRATED CIRCUITS
PCA9516A
5-channel I2C hub
Product data sheet
Supersedes data of 2004 May 28
Philips
Semiconductors
2004 Sep 29
Philips Semiconductors
5-channel I2C hub
BLOCK DIAGRAM
SCL0
SCL1
SCL2
PCA9516A
BUFFER
BUFFER
BUFFER
VCC
HUB
LOGIC
BUFFER
BUFFER
SDA0
SDA1
SDA2
BUFFER
BUFFER
BUFFER
HUB
LOGIC
BUFFER
BUFFER
EN1
EN2
GND
Figure 2. Block Diagram: PCA9516A
A more detailed view of Figure 2 buffer is shown in Figure 3.
Data
To output
z In
Inc
Enable
Figure 3.
SW00712
The output pull-down of each internal buffer is set for approximately
0.5 V, while the input threshold of each internal buffer is set about
0.07 V lower, when the output is internally driven LOW. This
prevents a lock-up condition from occurring.
2004 Sep 29
4
Product data sheet
PCA9516A
SCL4
SCL3
SDA4
SDA3
EN4
SW02248
EN3
4페이지 Philips Semiconductors
5-channel I2C hub
Product data sheet
PCA9516A
ABSOLUTE MAXIMUM RATINGS
Limiting values in accordance with the Absolute Maximum System (IEC 134).
Voltages with respect to pin GND.
SYMBOL
VCC to GND
Vbus
I
Ptot
Tstg
Tamb
PARAMETER
Supply voltage range VCC
Voltage range I2C-bus, SCL or SDA
DC current (any pin)
Power dissipation
Storage temperature range
Operating ambient temperature range
LIMITS
MIN.
MAX.
–0.5 +7
–0.5 +7
— 50
— 300
–55 +125
–40 +85
UNIT
V
V
mA
mW
°C
°C
DC ELECTRICAL CHARACTERISTICS
VCC = 3.0 V to 3.6 V; GND = 0 V; Tamb = –40 °C to +85 °C; unless otherwise specified.
SYMBOL
PARAMETER
TEST CONDITIONS
Supplies
MIN.
LIMITS
TYP.2
MAX.
UNIT
VCC
ICCH
ICCL
DC supply voltage
Quiescent supply current,
both channels HIGH
Quiescent supply current,
both channels LOW
VCC = 3.6 V;
SDAn = SCLn = VCC
VCC = 3.6 V;
one SDA and one SCL = GND,
other SDA and SCL open
3.0 —
— 2.1
— 4.7
3.6 V
5 mA
10 mA
ICCLc
Quiescent supply current in contention
Input SCL; input/output SDA
VCC = 3.6 V;
SDAn = SCLn = GND
— 4.0
10 mA
VIH HIGH-level input voltage
VIL LOW-level input voltage (Note 1)
VILc LOW-level input voltage contention
(Note 1)
0.7 VCC
–0.5
–0.5
—
—
—
5.5
0.3 VCC
0.4
V
V
V
VIK
ILI
IIL
VOL
VOL–VILc
Input clamp voltage
Input leakage current
Input current LOW, SDA, SCL
LOW-level output voltage
LOW-level input voltage below
output LOW-level voltage
II = –18 mA
VI = 3.6 V
VI = 0.2 V, SDA, SCL
IOL = 0 or 6 mA
Guaranteed by design
— — –1.2 V
–1 —
1 µA
——
5 µA
0.47 0.52
0.6
V
——
70 mV
CI Input capacitance
Enable 1–4
VI = 3 V or 0 V
—6
10 pF
VIL LOW-level input voltage
–0.5 — 0.8 V
VIH HIGH-level input voltage
2.0 — 5.5 V
IIL Input current LOW, EN1–EN4
VI = 0.2 V, EN1–EN4
— –12 –30 µA
ILI Input leakage current
–1 —
1 µA
CI Input capacitance
VI = 3.0 V or 0 V
—6
7 pF
NOTES:
1. VIL specification is for the first LOW level seen by the SDAx/SCLx lines. VILc is for the second and subsequent LOW levels seen by the
SDAx/SCLx lines.
2. Typical value taken at 3.3 V and 25 °C.
3. For operation between published voltage ranges, refer to worst case parameter in both ranges.
2004 Sep 29
7
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부품번호 | 상세설명 및 기능 | 제조사 |
PCA9516 | 5-channel I2C hub | NXP Semiconductors |
PCA9516A | 5-channel I2C hub | NXP Semiconductors |
DataSheet.kr | 2020 | 연락처 | 링크모음 | 검색 | 사이트맵 |