參數(shù)資料
型號: 21145
廠商: Intel Corp.
英文描述: Phoneline/Ethernet LAN Controller(電話線/以太網(wǎng)LAN控制器)
中文描述: 電話線/以太網(wǎng)控制器(電話線/以太網(wǎng)局域網(wǎng)控制器)
文件頁數(shù): 41/50頁
文件大小: 624K
代理商: 21145
21145
Preliminary
Datasheet
35
3.13
Serial ROM Timing Characteristics
Figure 17
shows the Serial ROM timing characteristics, and
Table 33
lists the characteristics.
T
ehdx
Data hold from br_ce_l going high
10
ns
T
ehax
Address hold from br_ce_l high
15
ns
T
ads
Address setup to latch enable high
10
ns
T
adh
Address hold from latch enable high
10
ns
NOTE:
1. There are no maximum specifications.
Table 32. Expansion ROM Write Timing Specifications (Sheet 2 of 2)
Symbol
1
Parameter
Minimum
Unit
Figure 17. Serial ROM Port Timing Diagram
Table 33. Serial ROM Port Timing Characteristics
Symbol
Definition
Minimum
Maximum
Unit
T
CKH
Clock high time
350
ns
T
CKL
Clock low time
350
ns
T
CSS
Chip select setup time
150
ns
T
CSH
Chip select hold time
0
ns
T
CSL
Chip select low time
300
ns
T
DIS
Data input setup time
150
ns
T
DIH
Data input hold time
150
ns
T
PD
Data output delay time
550
ns
T
CZ
Data output disable time
150
ns
A6604 -01
sr_clk
sr_di
sr_do
(read)
sr_do
(program)
sr_cs
TCZ
TCZ
TPD
TPD
TDIH
TSV
TDIS
TCSS
TCXL
VIH
VIL
VIH
VIL
VIH
VIL
VOH
VOL
VOH
VOL
TCKH
TCSH
Status Valid
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