FBL22033BB 查看數據表（PDF） - Philips Electronics
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FBL22033BB
Philips Electronics
FBL22033BB Datasheet PDF : 14 Pages
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Philips Semiconductors
3.3V BTL 8-bit latched/registered/pass-thru
universal transceiver with 30Ω termination
Product specification
FBL22033
FEATURES
• 8-bit transceivers
• Latched, registered or straight through in either A to B or B to A
path
• Drives heavily loaded backplanes with equivalent load
impedances down to 10Ω.
• High drive 100mA BTL Open Collector drivers on B-port
• Allows incident wave switching in heavily loaded backplane buses
• Reduced BTL voltage swing produces less noise and reduces
power consumption
• Built-in precision band-gap reference provides accurate receiver
thresholds and improved noise immunity
• Compatible with IEEE Futurebus+ or proprietary BTL backplanes
• Each BTL driver has a dedicated Bus GND for a signal return
• Controlled output ramp and multiple GND pins minimize ground
bounce
• Glitch-free power up/power down operation
• Low ICC current
• Tight output skew
• Supports live insertion
• Pins for the optional JTAG boundary scan function are provided
• High density packaging in plastic Quad Flatpack
• 5V compatible I/O on A-port
• Same pinout and function as the FBL2033 except for 30Ω series
termination on 4 outputs making external resistors unnecessary
• A port outputs include 30Ω termination to reduce overshoot and
undershoot
QUICK REFERENCE DATA
SYMBOL
PARAMETER
tPLH
Propagation delay
tPHL
AIn to Bn
tPLH
Propagation delay
tPHL
Bn to AOn
COB
Output capacitance (B0 – Bn only)
IOL
Output current (B0 – Bn only)
AIn to Bn
outputs Low
ICC
Supply current
outputs High
Bn to AOn (outputs Low)
Bn to AOn (outputs High)
TYPICAL
3.0
3.0
5.1
5.5
6
100
9
14
17
14
UNIT
ns
ns
pF
mA
mA
ORDERING INFORMATION
PACKAGE
52-pin Plastic Quad Flat Pack (PQFP)
NOTE: Thermal mounting or forced air is recommended
COMMERCIAL RANGE
VCC = 3.3V±10%; Tamb = –40°C to +85°C
FBL2033BB
DWG
No.
SOT379-1
1999 Apr 15
2
853–2157 21253
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