MT8931CP Zarlink Semiconductor, MT8931CP Datasheet - Page 34

• Manufacturer Part Number: MT8931CP
• Description: Description = 4 Wire Full-duplex 2B+D (192Kb/s) Data Format Isdn S And T Subscriber Network Interface Circuit ;; Package Type = Pdip ;; No. Of Pins = 28
• Manufacturer: Zarlink Semiconductor

† Timing is over recommended temperature & power supply voltages
‡ Typical figures are at 25
AC Electrical Characteristics
34
10
11
12
13
CS
ALE
AD0-7
WR
RD
CS
ALE
AD0-7
RD
WR
1
2
3
4
5
6
7
8
9
Chip select setup time
Chip select hold time
Address Latch pulse width
Address setup time
Address hold time
Data setup time - Write
Data hold time - Write
Data output delay - Read
Data hold time - Read
Write pulse width
RD, WR delay
Read pulse width
Read setup time
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
Characteristics
IH
IL
IH
IL
IH
IL
IH
IL
IH
IL
IH
IL
IH
IL
I/OH
I/OL
IH
IL
IH
IL
°
C and are for design aid only: not guaranteed and not subject to production testing.
t
t
RDS
RDS
Figure 24 - Intel Bus Interface Timing (Write Cycle)
Figure 25 - Intel Bus Interface Timing (Read Cycle)
t
t
ALW
t
ALW
ADS
t
ADS
Address
Address
†
- Intel Bus Interface Timing
t
t
ADH
Sym
t
t
t
t
t
t
t
t
ADH
t
t
t
t
t
t
WPW
DWS
DHW
RWD
RPW
CSH
ALW
ADH
DOD
DHR
RDS
CSS
t
CSS
ADS
CSS
t
RWD
t
RWD
Min
240
10
25
50
20
20
35
20
25
60
60
20
t
DOD
Typ
‡
t
Max
WPW
240
90
t
RPW
Data out
t
Data in
DWS
Units
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
(Ref. Figure 24 & 25)
50 pF load
50 pF load
t
t
CSH
t
CSH
DHW
t
DHR
Test Conditions
Data Sheet