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PDF ML6698 Data sheet ( Hoja de datos )
| Número de pieza | ML6698 | |
| Descripción | 100BASE-TX Physical Layer with 5-Bit Interface | |
| Fabricantes | Micro Linear | |
| Logotipo |  |
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May 1997
ML6698*
100BASE-TX Physical Layer with 5-Bit Interface
GENERAL DESCRIPTION
The ML6698 is a high-speed physical layer transceiver
that provides a 5-bit (or symbol) interface to unshielded
twisted pair cable media. The ML6698 is well suited for
adapter card applications using the DEC 21143, the
Macronix MX98713, or equivalent Media Access
Controllers (MACs). The ML6698 may be used in other
100BASE-TX applications requiring the 5-bit interface as
well as FDDI-over-copper applications.
The ML6698 integrates 125MHz clock recovery/
generation, receive adaptive equalization, baseline
wander correction and MLT-3/10BASE-T transmitter.
FEATURES
s 5-bit (or symbol) parallel interface
s Compliant to IEEE 802.3u 100BASE-TX standard
s Compliant to ANSI X3T12 TP-PMD (FDDI) standard
s Single-jack 10BASE-T/100BASE-TX solution when used
with external 10Mbps PHY
s 125MHz receive clock recovery/generation
s Baseline wander correction
s Adaptive equalization and MLT-3 encoding/decoding
s Supports full-duplex operation
BLOCK DIAGRAM (PLCC Pin Configuration)
*Some Packages Are End Of Life As Of August 1, 2000
TXC
44
TSM4
2
3 TSM3
TSM2
4
5 TSM1
6 TSM0
16 RXC
8 RSM4
RSM3
9
11 RSM2
13 RSM1
RSM0
15
SERIALIZER
DESERIALIZER
CLOCK SYTHESIZER
NRZ TO NRZI
AND
NRZI TO MLT-3
ENCODER
CLOCK AND DATA
RECOVERY
NRZI TO NRZ DECODER
CONTROL LOGIC
41 40
100BASE-TX/10BASE-T
TWISTED PAIR DRIVER
TPOUTP
34
TPOUTN
33
RTSET 31
EQUALIZER
BLW CORRECTION
MLT-3 DECODER
LOOPBACK MUX
TPINP
38
TPINN 37
CMREF
39
RGMSET
30
SDO 24
25 42
7
1
1 page  
ABSOLUTE MAXIMUM RATINGS
Absolute maximum ratings are those values beyond which
the device could be permanently damaged. Absolute
maximum ratings are stress ratings only and functional
device operation is not implied.
VCC Supply Voltage Range ................... GND –0.3V to 6V
Input Voltage Range
Digital Inputs ....................... GND –0.3V to VCC + 0.3V
TPINP, TPINN, 10BTTXINP,
10BTTXINN ..................... GND –0.3V to VCC + 0.3V
Output Current
TPOUTP, TPOUTN .............................................. 60mA
All other outputs .................................................. 10mA
ML6698
Junction Temperature ............................................. 150°C
Storage Temperature .............................. .. –65°C to 150°C
Lead Temperature (Soldering, 10 sec) ..................... 260°C
OPERATING CONDITIONS
VCC Supply Voltage ............................................ 5V ± 5%
All VCC supply pins must be within 0.1V of each other.
All GND pins must be within 0.1V of each other.
TA, Ambient temperature ................................ 0°C to 70°C
RGMSET ..................................................... 9.53ký ± 1%
RTSET .......................................................... 2.49ký ± 1%
Receive transformer insertion loss ........................ <–0.5dB
DC ELECTRICAL CHARACTERISTICS
Over full range of operating conditions unless otherwise specified (Note 1)
SYMBOL
PARAMETER
CONDITIONS
TTL Inputs (TSM<4:0>, TXC, SEL100/10, PWRDN, LPBK)
VIL Input Low Voltage
VIH Input High Voltage
IIL Input Low Current
IIH Input High Current
TTL Outputs (RSM<4:0>, RXC, SDO)
IIL = –400µA
IIH = 100µA
VIN = 0.4V
VIN = 2.7V
VOL
VOH
Receiver
Output Low Voltage
Output High Voltage
IOL = 4mA
IOH = –4mA
VICM
TPINP/N Input Common-Mode 100ý Termination across TPINP/N
Voltage
VID TPINP-TPINN Differential Input
Voltage Range
RIDR
TPINP-TPINN Differential
Input Resistance
IICM TPINP/N Common-Mode Input
Current
IRGM
RGMSET Input Current
IRT RTSET Input Current
Transmitter
RGMSET = 9.53ký
RTSET = 2.49ký
ITD100
TPOUTP/N 100BASE-TX Mode Note 2, 3
Differential Output Current
ITD10
TPOUTP/N 10BASE-T
Mode Differential Output Current
ITOFF
ITXI
TPOUTP/N Off-State Output
TPOUTP/N Differential Output
Current Imbalance
RL = 200, 1%
RL = 200, 1%
MIN
TYP
MAX
UNITS
2.0
–200
0.8 V
V
µA
100 µA
0.4 V
2.4 V
VCC – 1.26
–3.0 3.0
10.0k
+10
130
500
V
V
ý
µA
µA
µA
±19 ±21 mA
±55 ±60 ±65 mA
0 1.5 mA
500 µA
5
5 Page 
PHYSICAL DIMENSIONS inches (millimeters)
ML6698
0.042 - 0.048
(1.07 - 1.22)
12
0.685 - 0.695
(17.40 - 17.65)
0.650 - 0.656
(16.51 - 16.66)
1
PIN 1 ID
Package: Q44
44-Pin PLCC
0.042 - 0.056
(1.07 - 1.42)
0.025 - 0.045
(0.63 - 1.14)
(RADIUS)
34
0.650 - 0.656
(16.51 - 16.66)
0.685 - 0.695
(17.40 - 17.65)
0.500 BSC
(12.70 BSC)
0.590 - 0.630
(14.99 - 16.00)
23
0.050 BSC
(1.27 BSC)
0.026 - 0.032
(0.66 - 0.81)
0.165 - 0.180 0.148 - 0.156
(4.06 - 4.57) (3.76 - 3.96)
0.009 - 0.011
(0.23 - 0.28)
0.100 - 0.112
(2.54 - 2.84)
0.013 - 0.021
(0.33 - 0.53)
SEATING PLANE
0.472 BSC
(12.00 BSC)
0.394 BSC
(10.00 BSC)
Package: H44-10
44-Pin (10 x 10 x 1mm) TQFP
0º - 8º
34
1
PIN 1 ID
0.394 BSC
(10.00 BSC)
0.472 BSC
(12.00 BSC)
23
12
0.032 BSC
(0.80 BSC)
0.012 - 0.018
(0.29 - 0.45)
0.048 MAX
(1.20 MAX)
0.037 - 0.041
(0.95 - 1.05)
0.003 - 0.008
(0.09 - 0.20)
0.018 - 0.030
(0.45 - 0.75)
SEATING PLANE
11
11 Page | ||
| Páginas | Total 12 Páginas | |
| PDF Descargar | [ Datasheet ML6698.PDF ] | |
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