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PDF FB2040A Data sheet ( Hoja de datos )
| Número de pieza | FB2040A | |
| Descripción | 8-bit Futurebus transceiver | |
| Fabricantes | NXP Semiconductors | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de FB2040A (archivo pdf) en la parte inferior de esta página. Total 9 Páginas | ||
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Philips Semiconductors
8-bit Futurebus+ transceiver
Product specification
FB2040A
FEATURES
• 8-bit BTL transceivers
• Separate I/O on TTL A-port
• Inverting
• 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
• Controlled output ramp and multiple GND pins minimize ground
bounce
• Each BTL driver has a dedicated Bus GND for a signal return
• 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 Flat Pack
QUICK REFERENCE DATA
SYMBOL
tPLH
tPHL
tPLH
tPHL
COB
IOL
ICC
PARAMETER
Propagation delay
AIn to Bn
Propagation delay
Bn to AOn
Output capacitance (B0 – B7 only)
Output current (B0 – B7 only)
Standby
Supply current
AIn to Bn
(outputs Low or High)
Bn to AOn
(outputs Low)
Bn to AOn
(outputs High)
TYPICAL
4.4
3.1
3.4
3.2
4
100
4
4
22
12
UNIT
ns
ns
pF
mA
mA
ORDERING INFORMATION
PACKAGES
52-pin Plastic Quad Flat Pack (QFP)
COMMERCIAL RANGE
VCC = 5V±10%; Tamb = 0°C to +70°C
FB2040BB
DRAWING
NUMBER
SOT379-1
ABSOLUTE MAXIMUM RATINGS
Operation beyond the limits set forth in this table may impair the useful life of the device. Unless otherwise noted these limits are over the
operating free-air temperature range.
SYMBOL
PARAMETER
RATING
UNIT
VCC
VIN
IIN
VOUT
IOUT
Tamb
TSTG
Supply voltage
Input voltage
AI0 – AI7, OEB0, OEB1, OEA
B0 – B7
Input current
Voltage applied to output in High output state
Current applied to output in Low
output state
A0 – A7
B0 – B7
Operating free-air temperature range
Storage temperature
-0.5 to +7.0
-1.2 to +7.0
-1.2 to +5.5
-18 to +5.0
-0.5 to +VCC
48
200
-40 to ++85
-65 to +150
V
V
mA
V
mA
°C
°C
1995 May 25
1 853-1801 15279
1 page  
Philips Semiconductors
8-bit Futurebus+ transceiver
LOGIC DIAGRAM FOR FB2040
OEB0 46
45
OEB1
OEA 47
AI0 51
AO0 50
AI1 2
AO1 52
AI2
AO2
3
4
TTL
Levels
AI3
AO3
8
6
AI4 9
AO4 10
AI5 14
AO5 12
AI6 18
AO6 16
AI7 24
AO7 20
TMS
TCK
TDI
TDO
42
44
22
21
(Future JTAG Boundary Scan option)
NC =
LOGIC VCC =
LOGIC GND =
BUS VCC
BUS GND
BIAS V
=
=
=
BG VCC
BG GND
=
=
25
49
1, 5, 7, 11, 13, 15
23, 43
27, 29, 31, 33, 35, 37, 39, 41
48
17
19
1995 May 25
5
Product specification
FB2040A
40
B0
38
B1
36
B2
34
B3
32
B4
BTL
Levels
30
B5
28
B6
26
B7
SG00077
5 Page | ||
| Páginas | Total 9 Páginas | |
| PDF Descargar | [ Datasheet FB2040A.PDF ] | |
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