DS21448L Maxim Integrated Products, DS21448L Datasheet - Page 52
DS21448L
Manufacturer Part Number
DS21448L
Description
IC LIU QUAD E1/T1/J1 128-LQFP
Manufacturer
Maxim Integrated Products
Type
Line Interface Units (LIUs)r
Datasheet
1.DS21448L.pdf
(60 pages)
Specifications of DS21448L
Number Of Drivers/receivers
4/4
Protocol
T1/E1/J1
Voltage - Supply
3.135 V ~ 3.465 V
Mounting Type
Surface Mount
Package / Case
128-TQFP, 128-VQFP
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
DS21448LN+
Manufacturer:
ROHM
Quantity:
12 000
Part Number:
DS21448LN+
Manufacturer:
MAXIM/美信
Quantity:
20 000
Figure 10-5. Intel Bus Write Timing (PBTS = 0, BIS0 = 1)
Figure 10-6. Motorola Bus Read Timing (PBTS = 1, BIS0 = 1)
Figure 10-7. Motorola Bus Write Timing (PBTS = 1, BIS0 = 1)
A0–A4
D0–D7
A0–A4
D0–D7
A0–A4
D0–D7
R/W
WR
R/W
RD
CS
CS
DS
CS
DS
0ns (MIN)
0ns (MIN)
0ns (MIN)
t1
t1
t1
0ns (MIN)
0ns (MIN)
0ns (MIN)
t2
t2
t2
75ns (MAX)
ADDRESS VALID
ADDRESS VALID
ADDRESS VALID
t3
52 of 60
75ns (MIN)
75ns (MIN)
t6
t6
5ns (MIN) / 20ns (MAX)
10ns
(MIN)
10ns
(MIN)
t7
DATA VALID
t7
t8
t4
10ns
(MIN)
t4
t4
t8
10ns
(MIN)
0ns (MIN)
0ns (MIN)
0ns (MIN)
t5