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FB2033BB Datasheet

  • FB2033BB

  • 8-bit latched/registered/pass-thru Futurebus universal inter...

  • 176.62KB

  • 10頁

  • PHILIPS

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Philips Semiconductors
Product specification
8-bit latched/registered/pass-thru
Futurebus+ universal interface transceiver
FB2033
FEATURES
鈥?/div>
8-bit transceivers
鈥?/div>
Latched, registered or straight through in either A to B or B to A
path
鈥?/div>
Built-in precision band-gap reference provides accurate receiver
thresholds and improved noise immunity
鈥?/div>
Drives heavily loaded backplanes with equivalent load
impedances down to 10鈩?
鈥?/div>
Compatible with IEEE Futurebus+ or proprietary BTL backplanes
鈥?/div>
Each BTL driver has a dedicated Bus GND for a signal return
鈥?/div>
Controlled output ramp and multiple GND pins minimize ground
bounce
鈥?/div>
High drive 100mA BTL Open Collector drivers on B-port
鈥?/div>
Allows incident wave switching in heavily loaded backplane buses
鈥?/div>
Reduced BTL voltage swing produces less noise and reduces
power consumption
鈥?/div>
Glitch-free power up/power down operation
鈥?/div>
Low I
CC
current
鈥?/div>
Tight output skew
鈥?/div>
Supports live insertion
TYPICAL
3.0
3.0
4.3
4.1
6
100
24
45
22
mA
UNIT
ns
ns
pF
mA
QUICK REFERENCE DATA
SYMBOL
t
PLH
t
PHL
t
PLH
t
PHL
C
OB
I
OL
I
CC
PARAMETER
Propagation delay
AIn to Bn
Propagation delay
Bn to AOn
Output capacitance (B0 鈥?Bn only)
Output current (B0 鈥?Bn only)
AIn to Bn
(outputs Low or High)
Supply current
Bn to AOn (outputs Low)
Bn to AOn (outputs High)
ORDERING INFORMATION
PACKAGES
52-pin Plastic Quad Flat Pack (QFP)
NOTE:
Thermal mounting or forced air is recommended
COMMERCIAL RANGE
V
CC
= 5V鹵10%; T
amb
= 0擄C to +70擄C
FB2033BB
DRAWING
NUMBER
SOT379-1
PIN CONFIGURATION
LOGIC GND
BG GND
BG VCC
LCAB
BIAS V
SBA1
SBA0
AO0
AI1
AI0
OEA
VCC
52 51 50 49 48 47 46 45 44 43 42 41 40
LOGIC GND
AO1
AI2
AO2
AI3
AO3
LOOPBACK
AI4
AO4
AI5
AO5
AI6
LOGIC GND
1
2
3
4
5
6
7
8
9
10
11
12
13
14 15 16 17 18 19 20 21 22 23 24 25 26
LGOIC GND
BUS GND
AO6
AI7
AO7
LCBA
OEB0
VCC
SAB0
SAB1
VCC
OEB1
B7
39
38
37
36
BUS GND
B1
BUS GND
B2
BUS GND
B3
BUS GND
B4
BUS GND
B5
BUS GND
B6
BUS GND
8-Bit Universal Transceiver
FB2033
52-lead PQFP
B0
35
34
33
32
31
30
29
28
27
SG00068
1995 May 25
1
853-1717 15279

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