參數(shù)資料
型號(hào): AK2546
廠商: Asahi Kasei Microsystems Co.,Ltd
英文描述: 7 channel T1 Transceiver
中文描述: 7頻道T1收發(fā)器
文件頁(yè)數(shù): 14/27頁(yè)
文件大小: 123K
代理商: AK2546
ASAHI K ASEI [AK2546]
C0019-E-01 1999/9
14
AC CHARACTERISTICS (Parallel Port)
Parameter
Symbol
Min
Typ
Max
Units
Condition
Read/Write Cycle
tcyc
250
ns
Motorola Mode
Address Setup Time
t1
10
ns
Address Hold Time
t2
10
ns
AS to DS Delay Time
t3
20
ns
DS to AS Delay Time
t4
20
ns
Read Data Delay Time
t5
40
ns
Read Data Hold Time
t6
20
ns
R/W Setup Time
t7
10
ns
R/W Hold Time
t8
10
ns
CS Setup Time
t9
10
ns
CS Hold Time
t10
15
ns
Write Data Setup Time
t11
40
ns
Write Data Hold Time
t12
20
ns
DS Pulse Width
t13
100
ns
AS Pulse Width
t14
20
ns
Address Invalid to DS Delay Time
t15
0
ns
Intel Mode
Address Setup Time
t21
10
ns
Address Hold Time
t22
10
ns
ALE to WR Delay Time
t23
20
ns
WR to ALE Delay Time
t24
20
ns
RD to ALE Delay Time
t25
20
ns
Read Data Delay Time
t26
40
ns
Read Data Hold Time
t27
20
ns
CS Setup Time
t28
10
ns
CS Hold Time
t29
15
ns
Write Data Setup Time
t30
40
ns
Write Data Hold Time
t31
20
ns
RD Pulse Width
t32
100
ns
WR Pulse Width
t33
100
ns
ALE Pulse Width
t34
20
ns
Address Invalid to RD Delay Time
t35
0
ns
Notes) CL= 50pF on AD0-AD7. All of the timing is specified at 50%VDD.
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