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NS486SXF 数据表(PDF) 19 Page - National Semiconductor (TI)

[Old version datasheet] Texas Instruments acquired National semiconductor.
部件名 NS486SXF
功能描述  NS486TMSXF Optimized 32-Bit 486-Class Controller with On-Chip Peripherals for Embedded Systems
PDF  44 Pages
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制造商  NSC [National Semiconductor (TI)]
网页  http://www.national.com
标志 NSC - National Semiconductor (TI)

NS486SXF 数据表(HTML) 19 Page - National Semiconductor (TI)

Back Button NS486SXF Datasheet HTML 15Page - National Semiconductor (TI) NS486SXF Datasheet HTML 16Page - National Semiconductor (TI) NS486SXF Datasheet HTML 17Page - National Semiconductor (TI) NS486SXF Datasheet HTML 18Page - National Semiconductor (TI) NS486SXF Datasheet HTML 19Page - National Semiconductor (TI) NS486SXF Datasheet HTML 20Page - National Semiconductor (TI) NS486SXF Datasheet HTML 21Page - National Semiconductor (TI) NS486SXF Datasheet HTML 22Page - National Semiconductor (TI) NS486SXF Datasheet HTML 23Page - National Semiconductor (TI) Next Button
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30 Device Specifications (Continued)
314 DC Characteristics
(Under Recommended Operating Conditions)
Symbol
Parameter
Condition
Min
Typ
Max
Units
VIH
Input High Voltage
20
VDD
V
VIL
Input Low Voltage
b
05
08
V
ICC
VDD Average Supply Current
VIL e 05V
VIH e 24V
mA
No Load
Note 1
Value based on test complying with NSC SOP5-028 human body model ESD testing using the ETS-910 tester
Note 2
Absolute Maximum Ratings are those values beyond which damage to the device may occur
Note 3
Unless otherwise specified all voltages are referenced to ground
3141 EXTERNAL BUS
Symbol
Parameter
Condition
Min
Max
Units
Notes
VOH
Output High Voltage
IOH eb6 mA (Nch Quiet-drive) or
Max Load
IOH eb24 mA (High-drive) on
on
SA12 – 1 DP1 – 0 SD15 – 0
24
V
SA12 – 1 is
IOH eb12 mA on
100 pF and
SA0 SA25 – 13
SD0 – 15 is
SA0 b min 10 kX pullup
50 pF
VOL
Output Low Voltage
IOL e 20 mA on
SA12–1 DP1–0 SD15–0
04
V
IOL e 12 mA on
SA0 SA25 – 13 BHE
3142 DMA CONTROL UNIT
Symbol
Parameter
Condition
Min
Max
Units
Notes
VOH
Output High Voltage
IOH eb6mAon
TCEOP
IOH eb4 mA on
24
V
DACK4 DACK3 DACK2
DACK0
VOL
Output Low Voltage
IOL e 6mAon
TCEOP
IOL e 4 mA on
04
V
DACK4 DACK3 DACK2
DACK0
3143 DRAM CONTROL UNIT
Symbol
Parameter
Condition
Min
Max
Units
Notes
VOH
Output High Voltage
IOH eb6 mA(Nch Quiet-drive) or
Max load on
IOH eb24 mA (High-drive) on
24
V
RAS1 – 0 CASH1–0
RAS0 – 1 CASH0 – 1 CASL0 – 1
and CASL1–0 is
WE
63 pF
VOL
Output Low Voltage
IOL e 20 mA on
Max load on
RAS1 – 0 CASH1 – 0 CASL1 – 0
04
V
WE is
WE
100 pF
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