IDT72V70190 Integrated Device Technology, IDT72V70190 Datasheet - Page 18

• Manufacturer Part Number: IDT72V70190
• Description: 3.3 Volt Time Slot Interchange Digital Switch 256 X 256
• Manufacturer: Integrated Device Technology

AC ELECTRICAL CHARACTERISTICS-MOTOROLA NON-MULTIPLEXED BUS MODE
NOTE:
1. High Impedance is measured by pulling to the appropriate rail with R
AD0-AD7/
D8-D15
IDT72V70190 3.3V TIME SLOT INTERCHANGE
DIGITAL SWITCH 256 x 256
Symbol
t
t
t
t
t
t
t
t
t
t
t
t
t
A0-A7
CSS
RWS
ADS
CSH
RWH
ADH
DDR
DHR
DSW
SWD
DHW
AKD
AKH
R/W
DTA
CS
(1)
DS
Parameter
CS Setup from DS falling
R/W Setup from DS falling
Address Setup from DS falling
CS Hold after DS rising
R/W Hold after DS Rising
Address Hold after DS Rising
Data Setup from DTA LOW on Read
Data Hold on Read
Data Setup on Write (Fast Write)
Valid Data Delay on Write (Slow Write)
Data Hold on Write
Acknowledgment Delay:
Reading/Writing Registers
Reading/Writing Memory
Acknowledgment Hold Time
t
RWS
t
t
ADS
CSS
VALID WRITE ADDRESS
t
AKD
Figure 13. Motorola Non-Multiplexed Asyncronous Bus Timing
t
DSW
VALID WRITE
DATA
L
, with timing corrected to cancel time taken to discharge C
t
t
CSH
ADH
t
DHW
t
t
RWH
AKH
Min.
10
10
0
2
0
2
2
2
5
5
18

Typ.
760/750
43/43
122
Max.
20
22
t
RWS
t
t
ADS
CSS
Units
VALID READ ADDRESS
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
COMMERCIAL TEMPERATURE RANGE
t
AKD
L
.
t
DDR
VALID READ DATA
C
C
L
L
= 150pF, R
= 150pF, R
Test Conditions
C
C
C
L
L
L
= 150pF
= 150pF
= 150pF
t
t
CSH
ADH
t
L
L
t
DHR
RWH
t
= 1K
= 1K
AKH
5717 drw13