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XRT3591B
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FEATURES , -# # ) % $./ % 0 1 1
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1 . 4# , 9+3 , # , 4# 1 5 0 ,+ , # , ,. ,+ 4# 5.. # :); GENERAL DESCRIPTION 7 # 0
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Part No. 72 72,
46%.% -0 , %< & 4#' 46%.% -0 .% (%< & , 9##' . .% ,. . ,0 4# APPLICATIONS 7# # . 4#% , 8 &,8' 4.6 :,9 # ,9 =.% 2 4.6 <3
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Package ! 9# ( 4 -,2! 9# 4 @, 52
Operating Temperature Range ) ? ) ?
! " # $% & ' (() $ & ' (()
XRT3591B
A
2 B*, ! ! 2? 2A 5? 5A
?
!
! !
5
2!

!! !
5!? 5!A
2!? 2!A
(
!
5!
2
(

!
5? 5A
2? 2A

( ! (
5
9! 9 9
Control Block !
Figure 1. XRT3591B Block Diagram
!
XRT3591B
PIN CONFIGURATIONS

B*, 2 2! 2 9 9! 5 5! 5 9
! ( ! ! ! !! ! ! (
5? 5) 5!? 5!) 5? 5) 2? 2) 2!? 2!) 2? 2)

B*, 2 2! 2 9 9! 5 5! 5 9
! ( !
! ! !! ! ! (
5? 5) 5!? 5!) 5? 5) 2? 2) 2!? 2!) 2? 2)
24 Lead PDIP (0.600")
24 Lead SOIC (Jedec, 0.300")
PIN DESCRIPTION
Pin # ! ( ! ( ! ! !! ! ! Symbol

B*, 2 2! 2 9 9! 5 5! 5 9 2) 2? 2!) 2!? 2) 2? 5) 5? 5!) 5!? 5) 5? Type ) ) ) 2 2 2 2 2 5 5 5 2 2 2 2 2 2 2 5 5 5 5 5 5 Signal ) ) ) 9 9 9 9 9 9 9 9 9

Description )
&?C)!
' ?
&?C)!
' B.# % . % ! . % . 4# & Table 1 1 #' 4# ! & Table 1 1 #' .. ! .. .. 4# & Table 1 1 #' . . ! . ! . . . % .. % .. % ! .. % ! .. % .. % ..
XRT3591B
DC ELECTRICAL CHARACTERISTICS #D VCC = +5.0V ? E,
. -5.0V ? E . 25C # # +# . ) 0 1# & Figure 2'
Symbol G
5,G
5 25: 259 25; 5
:
:I 22* 2*
5:
59 25 25;
2:
29 22* 2 2 Parameter % ,11 5..
% %%)4# 5..
% 5.. : . % 5.. 90 . % 5.. 93 . % 5.. 2%# ,11 2. #
2. :/ 2. . 2. 2%# ,11 5.. :
5.. 90
5.. ). . ) 5.. . 9 2. :
9 2. 90
9 2. .
./ .
./ . ?! ( ! A A 2 0.8 ? *50 3 +10 0.8 +0.4 Min. 0.44 -0.3 -12.6 9.4 Typ. ) ? 150 Max. 0.66 +0.3 -9.4 12.6 ? Unit

% % " %
%
% "*

%

* % % 1. 4+
5 .
)
H
2?
2)H
)
H
2?
2)H
25:.)% 259.% H
5H
,+# H
5 H
2 9!) 2 9!) 2 9!) 5 9## $.4+ 511 5 511
5? . ?

5A . ?
< # #+# Conditions )
H
5H?

5 .
Notes 1 All currents flowing into the device pins are marked positive. All current flowing out of the device pins are marked negative. Bold face parameters are covered by production test and guaranteed over operating temperature range.
Specifications are subject to change without notice

XRT3591B
AC ELECTRICAL CHARACTERISTICS #D
. +5.0v ? E
.-5.0V ? E . 25C # # +# . 0 1#
Symbol $ -9: -:9 5"< -9: -:9 2"< ;9 ;: 9; :; Parameter % $ % % 2. 5.. -) ,/ % 2. 5.. -) ,/ % 5.. 5.. 30 2. 5.. -) ,/ &' 2. 5.. -) ,/ &1' ,11 30 &-9: A -:9' + 5.. 90 + 5.. : ,+ 5.. 90 ,+ 5.. : Min. Typ. ! ! ! 50 50 Max. 30 40 40 Unit Conditions
5.

5.

5.

5.

5.

5.

5.
Notes 1 All currents flowing into the device pins are marked positive. All current flowing out of the device pins are marked negative. Bold face parameters are covered by production test and guaranteed over operating temperature range.
Specifications are subject to change without notice
ABSOLUTE MAXIMUM RATINGS %. )( ? 5 %. ) ? ./

XRT3591B
SEL2 SEL1 SEL0 Drivers On Receivers On Description 11 , %# , %# 0 %# +3 , %# , %# 0 %# +3 #

) ) ! ! ! ! ! !
! ) ! ! ! ! ! )
Note: The driver and receiver outputs which are not on, are placed in Hi-Z state.
Table 1. Function Table
58 42*25*
2*-8 42*25*
5? 2 5) $.,
5,
!
5
!
2? 5

2)
5.&
5??
5)'C!
Figure 2. XRT3591B Test Circuit
(
XRT3591B

&5 ?' A &5 A' A
E E E
,2$$. &
5?' A &
5A' E E $ E -9: 1.4:>D H. D 1H.
-:9
2
5 A 5 ?
5, 5"<
C!
5, 5"<
Figure 3. V.35 Transmitter Propagation Delays
2 &2?' A &2A' A
2 -9:
5 A

58-8
-:9
1.4:>D H. D 1H. 2*-8
Figure 4. V.35 Receiver Propagation Delays

XRT3591B
Cable Termination $ #11 . # .. 1 7 %. + / %# =.% . 1. #
1 10 #% # % 1.D
58 42*25*
2*-8 42*25*
! !

Figure 5. Proposed Source And Input Terminations
Note: In order to implement the terminations proposed above, standard 1/8 W surface mount or through hole 5% resistors can be used. Furthermore, appropriate resistor networks can be used as well.
7 &, 45,' ,
7 &, 45,' , I , ; I I ; I ; ; I ; ! ! !! ! ! (
! !
!
,
,
! (
,
!

!!
(

!
!

Figure 6. Typical V.35 Clock And Data Configuration

XRT3591B
, 7 &, 45,'
7 &, 45,' , I , ; I I ; I ; ; I ; ! ! !! ! ! (
! !
,
!
,
! (
,
!

(
!!

!
!

Figure 7. Typical V.35 Configuration During DCE Mirrored Loopback
7 &, 45,' ,
7 &, 45,' , I , ; I I ; I ; ; I ; ! ! !! ! ! (
! !
,
!
,
,
! (

!

(
!!

!

!
Figure 8. Typical V.35 Configuration During DTE Mirrored Loopback

XRT3591B
# ?
73 B.# 7. A
!!* $ ! !!* $

- * $
- ! * $ (

! (

5 2. % 2* !2* 2* 58 !58 58
!

? A ? A ? A
! ( 2 2! 2

! 5? 5A 5!? 5!A 5? 5A
! ! !
@ 58 @! !58 @ 58 @ 2* @ !2* @( 2*
"
( ! (
5 ! 5
U1 XRT3591B
! ! !! ! !

9! 9 9
!
9! 9 ! 9
B*,
2? 2A 2!? 2!A 2? 2A (
(
( ! !!
? A ? A ? A
! ! !
B
@.% $ 5 <. , 511
!

* $
!
Figure 9. XRT3591B Demo Board

XRT3591B
24 LEAD PLASTIC DUAL-IN-LINE (600 MIL PDIP)
Rev. 1.00
!
E1
D
! E A2 C A1
Seating Plane
A L B e B1
eA eB
INCHES SYMBOL ! 7 7 , 7 9 MIN ( ! ( MAX ! ! ! (!
MILLIMETERS MIN ( ( ( ! !! ! !! MAX ( ( !
7 ( 7 ( !
! 7 ! 7 ! !!
Note: The control dimension is the inch column

XRT3591B
24 LEAD SMALL OUTLINE (300 MIL JEDEC SOIC)
Rev. 1.00
D
!

E
!
H
C Seating Plane e B A1 L A
INCHES SYMBOL 7 , : 9 MIN ! ( MAX ! ! ( !
MILLIMETERS MIN ! ! ! MAX !( ! ( ( ( !
7
! 7
Note: The control dimension is the millimeter column
!
XRT3591B Notes

XRT3591B Notes

XRT3591B Notes

XRT3591B
*52 %3 #. # .+ # %) # 1% +/ .% +/ 1 . 1 / . #) +# / .# / # %3 . 1 1 1% # #. / 1 . . # %/ / ## . .J 1 < 1% .+ + 1./ 3#K +/ 0 .%# 1 . # %%# . 1 / 1 #. 1 . 0 1. %1. 1 #. +/ + 6# . 1. 1 1 . /% 1/ 11 1/ 11 -#. .># 1 . . . 0 . 1 D &' 3 1 L./ #% + %%>#K &+' . .% . 3K &' +/ 1 #=./ # .# .%) / , *%+ #. 0 0. 0 1 +#
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