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PDF IT8687R Data sheet ( Hoja de datos )
| Número de pieza | IT8687R | |
| Descripción | Preliminary Specification V0.6 | |
| Fabricantes | ETC | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de IT8687R (archivo pdf) en la parte inferior de esta página. Total 12 Páginas | ||
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IT8687R
I/O Buffer Chip
Preliminary Specification V0.6
1 page  
13.
14.
4. Block Diagram
RTS1#
TX1, DTR1#
RTS2#
TX2, DTR2#
UIF0,UIF1
UIF2,UIF3
UIF4
RX1, CTS1#
DSR1#, RLSD1#
RI1#
RX2, CTS2#
DSR2#, RLSD2#
RI2#
RAD0,RAD1
RAD2
X1
X2
Line
Multiplexer Drivers
COM1,2
signals mixer
Line
Receivers
ISA signals
encoder
Crystal
Oscillator
Amplifier
IT8687R
NRTS1,
NDTR1, NTX1
NRTS2,
NDTR2, NTX2
MODE
NRX1, NCTS1
NDSR1, NRLSD1
NRI1,
NRX2, NCTS2
NDSR2, NRLSD2
NRI2
RESET, AEN
DACK0#, DACK1#
DACK2#, DACK3#
SA12,SA13
SA14,SA15
CLKOUT
2
5 Page 
13.
14.
8. Package Information
SSOP 48L Outline Dimensions
48
25
IT8687R
unit: inches/mm
e1
1b
D
24
L
Detail F
e1
S
Seating Plane
e
y
Symbol
A
A1
A2
b
C
D
E
e
e1
HE
L
LE
S
y
θ
Dimension in inches
0.110 Max.
0.004 Min.
0.090 ± 0.005
0.010 +0.003
−0.002
0.008 +0.002
−0.002
0.625 Typ. (0.637 Max.)
0.295 ± 0.005
0.025 ± 0.006
0.370 NOM.
0.408 ± 0.012
0.030 ± 0.010
0.057 ± 0.008
0.035 Max.
0.004 Max.
0° ~ 10°
See Detail F
Dimension in mm
2.79 Max.
0.10 Min.
2.29 ± 0.12
0.25 +0.08
−0.05
0.20 +0.05
−0.05
15 Typ. (16.18 Max.)
7.49 ± 0.13
0.64 ± 0.15
9.40 NOM.
10.36 ± 0.31
0.76 ± 0.26
1.45 ± 0.20
0.89 Max.
0.10 Max.
0° ~ 10°
LE
Notes:
1. The maximum value of dimension D includes end flash.
2. Dimension E does not include resin fins.
3. Dimension e1 is for PC Board surface mount pad pitch design
reference only.
4. Dimension S includes end flash.
8
11 Page | ||
| Páginas | Total 12 Páginas | |
| PDF Descargar | [ Datasheet IT8687R.PDF ] | |
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