72V8988JG IDT, Integrated Device Technology Inc, 72V8988JG Datasheet - Page 13

• Manufacturer Part Number: 72V8988JG
• Manufacturer: IDT, Integrated Device Technology Inc

Specifications of 72V8988JG

• Operating Supply Voltage (typ): 3.3V
• Operating Supply Voltage (min): 3V
• Operating Supply Voltage (max): 3.6V
• Operating Temp Range: -40C to 85C
• Operating Temperature Classification: Industrial
• Mounting: Surface Mount
• Pin Count: 44
• Lead Free Status / RoHS Status: Compliant

NOTE:
1. Timing is over recommended temperature and power supply voltages.
2. Typical figures are at 25°C and are for design aid only; not guaranteed and not subject to production testing.
3. High Impedance is measured by pulling to the appropriate rail with R
AC ELECTRICAL CHARACTERISTICS
WRITE
IDT72V8988 3.3V Time Slot Interchange
Digital Switch 128 x 128
D0-D7
D0-D7
READ
A0-A5
DTA
R/W
Symbol
CS
DS
t
t
t
t
t
t
t
t
t
t
t
t
t
RWS
RWH
DSW
SWD
DHW
CSS
ADS
CSH
ADH
DDR
DHR
AKD
AKH
Characteristics
CS Setup from DS Rising
R/W Setup from DS Rising
Add Setup from DS Rising
CS Hold after DS Falling
R/W Hold after DS Falling
Add Hold after DS Falling
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 Data Memory
Reading/Writing Connection Memory
Writing to Control Register
Reading to Control Register
Acknowledgment Hold Time
Figure 11. Motorola Non-Multiplexed Bus Timing
t
t
t
RWS
ADS
CSS
Min.





10
10
10
10
0
5
5
0
5
5
5
L
t
, with timing corrected to cancel time taken to discharge C
SWD
13
300/370
Typ.
 MICROPROCESSOR TIMING
560










50
45
45
20
t
AKD
t
(2)
DDR
t
730/800
DSW
Max.
1220
VALID DATA
122









90
70
70
40
VALID DATA
t
DHW
Unit
Commercial Temperature Range
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
t
L
.
AKH
t
t
RWH
t
CSH
ADH
t
DHR
R
R
L
L
= 1KΩ
= 1KΩ
Test Conditions
C
C
L
L
= 150pF
= 150pF
(3)
(3)
, C
, C
L
L
= 150pF
= 150pF
5704 drw15