XRT79L74IB View Datasheet(PDF) - Exar Corporation
Part Name
Description
MFG CO.
'XRT79L74IB' PDF : 70 Pages View PDF
XRT79L74
REV. P1.0.0
NAME
POWER PINS
VDD
JAAVDD
REFAVDD
RXAVDD
TXDVDD
TXAVDD
PRELIMINARY
4 - CHANNEL DS3/E3 ATM UNI/PPP COMBO IC
TYPE
DESCRIPTION
PWR
PWR
PWR
PWR
PWR
PWR
3.3V Power Supply Pins
C10, C12, D6, D8, D9, D10D12, D13, D14, D16, D17, D18, D20, L4, L23, M11, M12,
M15, M16, N11, N12, N15, N16, P11, P12, P15, P16, R11, R12, R15, R16, T4, T23, AA4,
AA23, AF9, AF13, AF17, AF21
3.3V Jitter Attenuator Analog Power Supply Pin
AE9, AE13, AE17, AE21
3.3V Reference Analog Power Supply Pin
AB13
3.3V Receive Analog Power Supply Pin
AB8, AB12, AB16, AB20
3.3V Transmit Digital Power Supply Pin
AF6, AF10, AF14, AF18
3.3V Transmit Analog Power Supply Pin
AC7, AC11, AC15, AC19
NAME
GROUND PINS
GND
JAAGND
REFAGND
RXAGND
TXDGND
TXAGND
TYPE
DESCRIPTION
GND
GND
GND
GND
GND
GND
Ground Pins
A10, A12, E6, E7, E8, E10, E11, E12, E14, E15, E16, E18, E19, E20, F5, F22, L5, L11,
L12, L13, L14, L15, L16, L22, M13, M14, N13, N14, P13, P14, R13, R14, T5, T11, T12,
T13, T14, T15, T16, T22, AA5, AA22, AB8, AB18, AE22, AF8, AF12, AF16, AF20
3.3V Jitter Attenuator Analog Ground Pin
AD9, AD13, AD17, AD21
3.3V Reference Analog Ground Pin
AB14
3.3V Receive Analog Ground Pin
AE8, AE12, AE16, AE20
3.3V Transmit Digital Ground Pin
AC6, AC10, AC14, AC18
3.3V Transmit Analog Ground Pin
AF7, AF11, AF15, AF19
NAME
TYPE
NO CONNECT PINS
NC
NC
DESCRIPTION
F4, F23, Y2, Y3, Y4, AB7, AB9, AB10, AB11, AB15, AB17, AB19, AB21, AD3, AE3, AE26,
AF3, AF26
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