DS21Q55 Maxim Integrated Products, DS21Q55 Datasheet - Page 225

• Manufacturer Part Number: DS21Q55
• Description: IC TXRX QUAD T1/E1/J1 SCT 256BGA
• Manufacturer: Maxim Integrated Products

Specifications of DS21Q55

• Function: Transceiver
• Interface: E1, J1, T1
• Number Of Circuits: 4
• Voltage - Supply: 3.14 V ~ 3.47 V
• Current - Supply: 75mA
• Operating Temperature: 0°C ~ 70°C
• Mounting Type: Surface Mount
• Package / Case: 256-BGA
• Includes: BERT Generator and Detector, Dual HDLC Controllers
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Power (watts): -

Figure 33-3. Motorola Bus Timing (BTS = 1/MUX = 1)
AD0–AD7
AD0–AD7
(write)
(read)
R/ W
AS
DS
CS
PW EL
t ASD
t
t ASL
ASL
PW
t
AHL
t
ASH
AHL
t RWS
t ASED
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t CS
t
DDR
t CYC
t
DSW
PW EH
t CH
t
t
DHW
DHR
t
RWH