IES5507T Hendon Semiconductors, IES5507T Datasheet - Page 10

• Manufacturer Part Number: IES5507T
• Description: Buffers & Line Drivers Buffered 4-Chan Bus Switch
• Manufacturer: Hendon Semiconductors

Specifications of IES5507T

• Logic Family: IES5507
• Number Of Channels Per Chip: 4
• Supply Voltage (max): 7 V
• Supply Voltage (min): - 0.3 V
• Maximum Operating Temperature: + 85 C
• Minimum Operating Temperature: - 40 C
• Output Current: 30 mA
• Output Voltage: 110 mV, 80 mV
• Supply Current: 0.1 uA
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

2009 Mar 05, Revision 1.0
Fig.15 IES5507 isolating the standard I
Bus
Master
U1
V
DD
SCL
SDA
SCL
SDA
Isolated I C Bus
in dashed box
Structure
repeated
etc.
Fig.16 IES5507 series implementation for large I/O fanout
R1
180
IES5507 provides bus isolation and simplifies calculation of bus RC components
5V
2
‘000’
R1
1.8k
R2
180
3
3
R2
1.8k
SCL
SDA
RESET
A2..0
IES5507
V
SCL
SDA
RESET
A2..0
U2
DD
IES5507
SC0
SC1
SC2
SC3
SD0
SD1
SD2
SD3
(refer App. Note)
No pullup req’d.
V
U1
(Addr: 001 - 111)
DD
each output pair
IES5507’s on
Up to seven
SC0
SC1
SC2
SC3
SD0
SD1
SD2
SD3
Buffered 4-Channel 2-Wire Bus Switch
2
C bus from a P82B715 used as a line driver
10
R3
180
‘001’
‘010’
S
S
X
Y
P82B715
3
3
R4
180
(addresses ‘001’ to ‘111’)
U2
V
Up to seven devices
CC
A2..0
SCL
SDA
RESET
SCL
SDA
RESET
A2..0
IES5507
IES5507
L
L
X
Y
V
V
5V
U3
5V
U4
DD
DD
SC0
SC1
SC2
SC3
SD0
SD1
SD2
SD3
SC0
SC1
SC2
SC3
SD0
SD1
SD2
SD3
Long cable run
R3
Connect, for example,
outputs = 7,168 LEDs
R4
8 LED driver IC’s,
each with 8 LED
individually enabled
fully isolated buses
(eg 400pF@1Mhz)
capacitance load
Total output of
each with full
4x7x4 = 112
5507-cct 4
5507-cct 3
Product Specification
IES5507