DS21448 Maxim Integrated Products, DS21448 Datasheet - Page 50

• Manufacturer Part Number: DS21448
• Description: IC LIU QUAD E1/T1/J1 144-BGA
• Manufacturer: Maxim Integrated Products
• Type: Line Interface Units (LIUs)r

Specifications of DS21448

• Number Of Drivers/receivers: 4/4
• Protocol: T1/E1/J1
• Voltage - Supply: 3.135 V ~ 3.465 V
• Mounting Type: Surface Mount
• Package / Case: 144-BGA
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

Figure 10-2. Intel Bus Write Timing (PBTS = 0, BIS0 = 0)
Figure 10-3. Motorola Bus Timing (PBTS = 1, BIS0 = 0)
AD0–AD7
AD0–AD7
AD0–AD7
(WRITE)
(READ)
ALE
CS
WR
CS
RD
R/W
AS
DS
t ASD
PW EL
t ASD
t ASD
PW
t
t
ASL
t ASL
EL
ASL
PW
PW
t
AHL
t
ASH
AHL
ASH
t RWS
t ASED
t
t
AHL
50 of 60
t
CS
ASED
t CS
t CYC
t
DDR
t CYC
t
DSW
PW
EH
t
DSW
PW EH
t CH
t
CH
t
t
DHW
DHR
t
RWH
t
DHW