W66910 Datasheet, PDF (78/81 Pages) Winbond – TE Mode ISDN S/T-Controller with Microprocessor Interface

Data Sheet
W66910 PCI ISDN S/T-Controller
Parameter
t1
t2
t3
t4
t5
t6
t7
t8
t9
t10
t11
t12
t13
t14
t15
t16
t17
t18
t19
t20
t21
t22
t23
t24
t25
t26
t27
t28
t29
Parameter Descriptions
ALE pulse width
address setup time to ALE
address hold time from ALE
address setup time to RD#, WR#
RD# pulse width
CS# setup time to RD#, WR#
CS# hold time from RD#, WR#
data output delay from RD#
data float from RD#
ALE guard time
RD# recovery time
WR# pulse width
WR# recovery time
data setup time to WR#
data hold time from WR#
address setup time to DS#
address hold time from DS#
CS# setup time to DS#
CS# hold time from DS#
DS# read pulse width
DS# read recovery time
RW setup time to DS# read
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#
Min.
50
15
10
0
110
0
0
15
70
60
70
35
10
25
10
10
10
110
70
0
0
60
70
35
10
Max. Remarks
50
25
110
25
9.5 AC Timing Test Conditions
T_A= 0 to 70 °C, V_DD= 5 V ± 5 %
Inputs are driven to 2.4 V for logical 1 and 0.4 V for logical 0.Measurements are made at 2.0 V for logical 1 and 0.8 V for logical
0. The AC testing input/output waveforms are shown below :
2.4
2.0
2.0
test point
0.4
0.8
0.8
Device
Under
Test
-78 -
C_load=150pF
Publication Release Date: Feb,2001
Revision 1.0