XRT7298 Datasheet, PDF (3/16 Pages) Exar Corporation – DS3/STS-1, E3 INTEGRATED LINE TRANSMITTER

PIN CONFIGURATION
5&/.

5/223

//223

'6676(

7$26

9_' ^
73'$7$

71'$7$

7&/.

*1'' 
(1&2',6 _
'(&2',6 
%39 
3//287 ^
 51'$7$
 _53'$7$
 _,&7
 _7;/(9
 _9$
 _77,3
 _75,1*
 *1'$
 07,3
 05,1*
 ^'02
 5&/.2
 5326
 _51(*
28 Lead PDIP (0.600”)
XRT7298
5&/.
5/223
//223
'6676(
7$26
9_'
73'$7$
71'$7$
7&/.
*1''
(1&2',6
'(&2',6
%39
3//287




























51'$7$
53'$7$
,&7
7;/(9
9_$
77,3
75,1*
*1'$
07,3
05,1*
'02
5&/.2
5326
51(*
28 Lead SOJ (Jedec,0.300”)
PIN DESCRIPTION
Pin # Symbol T ype Description
 5&/. , ReceiveClockInput. ,QSXW VDPSOLQJ FORFN IRU 53'$7$ DQG 51'$7$
 5/223 , R_OLQe_Hm_Xo_Vt_Le_QJLo₅o_&p_/.B_a₆c_Hk_W._{WL$QJK5LJ/K2R2Q3WKDLVQSGLQ//F2DX2V3HVKL5J3K'VL$P7X$OWDDQQHGR5X1VO'\$LV7$QRWWRSWHUDUPQVLWPWHLGWWH} G WR WKH

//223
, L_FQo_RHc_GRHXa_UVl _ODL_\o_QLGo_Vp_RQXRB_WWSa_SXc_HWk_UDP._{W$LW5WHK3GL2JK6RDQQWGKL5V1S(LQ*FDUHXVVSHHVF7WL3YH'O\$76$HDWWQLQGJ7/1/'2$273$DWRQGSD5V/V2W2KU3RXKJLJKKWKVHLPHXQOWD}
 '6(676 , D_H+QS_'F3_%R,_GS_HPT_US_RD-_G1_QHGo_Gr_HE_F3_RGS_He_Ule_LQc_%t_P₌in_{6 P$RKGLJHK $RQORWZKLVVHSOLHQFVWVHO(HFWVDQ'G6VHRWVU W6K7H6HQFRRSGHHUUDDWLQRGQ GDHQFGRVGHHWUVLQWKH}

7$26
, T_WUr_Da_Qn_Vs_Pm_LWi_Wt_HGAl_Wl_RO_WKn_He_Os_LQS_He_l₇e_Kc_HtI$UHKTLXJHKQRFQ\ WLVKLGVHSWLHQUPFDLQXHVGHVE\D7F&RQ/W.LQXRXV $0, DOO ·V SDWWHUQ WR EH

9_'''
5 V Digital Supply ±  IRU DOO ORJLF FLUFXLWU\
 73'$7$ , T_FDra_Qn_Es_Hm_Wi_Lt_HGPo_WRs_Jit_Hiv_We_KHD_{U I}a_Rt_Ua_{EL7Q3DU'\$LQ7S$XLWVVVLJDQPDSOVOH} G RQ WKH IDOOLQJ HGJH RI 7&/. 3LQ  DQG SLQ 
 71'$7$ , T_FDra_Qn_Es_Hm_Wi_Lt_HGNe_WRg_Ja_Ht_Wi_Kv_He_UD_IRa_Uta_EL._{Q7D1U\'L$Q7S$XWLVVLJVDQPDOVSOHG} RQ WKH IDOOLQJ HGJH RI 7&/. 3LQ  DQG SLQ 

7&/.
, T ransmit ClockIRU 73'$7$ DQG 71'$7$
 *1''
Digital Ground IRU DOO ORJLF FLUFXLWU\
 (1&2',6 , E_UFLRn_GGGc_HHo_GQd_e_E\r D_7$is₂ab₆le_UH._{T$XHKVLJWK 7RQKLVWKSLVLQSPLQXGVLVW} DEEHOHVVHW%KLJ=K6LIR7U _{3+''$%7$HDQQFGRG7LQ1J'I$X7Q$FWLDRUQHVD OXUHQDOHGV\V} RHYQHU
 '(&2',6 ,  DecoderDisable $ KLJK RQ WKLV SLQ GLVDEOHV %=6 RU +'% GHFRGLQJ IXQFWLRQV
5HY