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LM4560 数据表(PDF) 53 Page - National Semiconductor (TI)

[Old version datasheet] Texas Instruments acquired National semiconductor.
部件名 LM4560
功能描述  Advanced PCI Audio Accelerator
PDF  54 Pages
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制造商  NSC [National Semiconductor (TI)]
网页  http://www.national.com
标志 NSC - National Semiconductor (TI)

LM4560 数据表(HTML) 53 Page - National Semiconductor (TI)

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7.4.1 Timing Table (Continued)
T
A = 0˚C to 70˚C, Vdd = 3.3V ±5%,VSS =0V
Symbol
Parameter
Min
Max
Units
PCI Reset
Trst_low
RST# low time after power stable
1
ms
Trst_clk
RST# low time after PCICLK stable
100
µs
AC’97 Reset (Cold and Warm)
Trst_low
ACRST_low time
1
µs
Trst2clk
ACRST_ inactive to ACCCLK
starts
162.8
ns
Tsync_high
ACSYNC high time
1
µs
Tsync2clk
ACSYNC_ inactive to ACCCLK
starts
162.8
ns
7.4.2 PCI Signals
PCI Inputs: AD31:0, CBE#3:0, FRAME#, IRDY#, TRDY#, STOP#, DEVSEL#, IDSEL#, PAR, GNT#
PCI Outputs: AD31:0, CBE#3:0, FRAME#, IRDY#, TRDY#, STOP#, DEVSEL#, IDSEL#, PAR, REQ#, INTA#
Point-to-Point Signals: REQ#, GNT#
Symbol
Parameter
Condition
Min
Max
Units
Tval_bus
CLK to PCI output Valid Delay_
bussed signals
211
ns
Tval_ptp
CLK to PCI output Valid Delay_
point to point signals
212
ns
Ton
PCI Output float to active
2
ns
Toff
PCI Output active to float
28
ns
AD0:31
bus
PCI Input set up time to CLK_
bussed signals
9ns
Tsu
GNT
PCI Input set up time to
CLK_GNT#
12
ns
Tsu
REQ
PCI Input set up time to
CLK_REQ#
12
ns
Th
PCI Input hold time from CLK
0
ns
AC’97 Signals
Tsetup
Setup from edge of ACCLK
10
ns
Thold
Hold from edge of ACCLK
10
ns
www.national.com
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