参数资料
型号: IDT82V3280PF
厂商: INTEGRATED DEVICE TECHNOLOGY INC
元件分类: 通信及网络
英文描述: WAN PLL
中文描述: SPECIALTY TELECOM CIRCUIT, PQFP100
封装: TQFP-100
文件页数: 50/167页
文件大小: 1039K
代理商: IDT82V3280PF
IDT82V3280
WAN PLL
Microprocessor Interface
50
June 19, 2006
5.2
MULTIPLEXED MODE
Figure 17. Multiplexed Read Timing Diagram
Table 33: Read Timing Characteristics in Multiplexed Mode
Symbol
Parameter
Min
Typ
Max
Unit
T
t
in
t
out
t
su1
t
su2
t
d1
t
d2
t
d4
t
d5
t
d6
t
pw1
t
pw2
t
pw3
t
h1
t
h2
t
h3
t
T
One cycle time of the master clock
Delay of input pad
12.86
5
ns
ns
Delay of output pad
5
ns
Valid address to ALE falling edge setup time
Valid
CS
to Valid
RD
setup time
Valid
RD
to valid data delay time
Valid
CS
to valid RDY delay time
RD
rising edge to AD[7:0] high impedance delay time
RD
rising edge to RDY low delay time
CS
rising edge to RDY release delay time
Valid
RD
pulse
width low
Valid RDY pulse
width low
Valid ALE pulse
width high
2
ns
0
ns
3.5T + 10
ns
13
ns
10
ns
13
ns
13
ns
4.5T + 10
*
4.5T + 10
ns
ns
2
ns
Valid address after ALE falling edge hold time
Valid
CS
after
RD
rising edge hold time
Valid
RD
after RDY rising edge hold time
Time between ALE falling edge and
RD
falling edge
Time between consecutive Read-Read or Read-Write accesses
(
RD
rising edge to ALE rising edge)
3
ns
0
ns
0
ns
0
ns
t
TI
>T
ns
Note:
*
Timing with RDY. If RDY is not used, t
pw1
is 3.5T + 10.
t
pw3
ALE
WR
AD[7:0]
RDY
t
h2
RD
address
High-Z
High-Z
t
T
t
su2
data
t
d1
t
d4
t
d2
t
pw2
t
d5
t
su1
t
pw1
t
h1
t
h3
CS
t
d6
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