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參數資料
型號: W6690
廠商: WINBOND ELECTRONICS CORP
英文描述: ISDN S/T Interface Controller(ISDN S/T接口控制器)
中文描述: 綜合業務數字網的S / T接口控制器(綜合業務數字網S / T的接口控制器)
文件頁數: 73/76頁
文件大小: 471K
代理商: W6690
Preliminary W6690
Publication Release Date: March 1998
- 73 -
Revision A1
PARAMETER
t39
t40
t41
t42
t43
t44
t45
t46
t47
t48
t49
t50
t51
t52
t53
t54
t55
t56
t57
t58
t59
t60
PARAMETER DESCRIPTIONS
Data output delay from DS*
Data hold time from DS*
RW* setup time to DS* write
DS* write pulse width
DS* write recovery time
Write data setup time to DS*
Write data hold time from DS*
PBCK pulse high
PBCK pulse low
Frame clock asserted from PBCK
PTXD data delay from PBCK
Frame clock deasserted from PBCK
PTXD hold time from PBCK
PRXD setup time to PBCK
PRXD hold time from PBCK
EPSK low
EPSK high
EPCS output delay
EPSD output delay
EPSD tri-state delay
EPSD input setup time
EPSD input hold time
MIN.
MAX.
110
25
REMARKS
0
60
70
35
10
260
260
20
20
20
10
20
10
2500
2500
30
30
30
30
30
9.5 AC Timing Test Conditions
T
A
= 0 to 70
°
C, V
DD
= 5 V
±
5 %
Inputs are driven to 2.4V for logical 1 and 0.4V for logical 0. Measurements are made at 2.0V for
logical 1 and 0.8V for logical 0. The AC testing input/output waveforms are shown below:
Test point
2.0
0.8
2.0
0.8
2.4
0.4
Device
Under
Test
C
load
= 150 pF
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