DP83840AVCE National Semiconductor, DP83840AVCE Datasheet - Page 14

• Manufacturer Part Number: DP83840AVCE
• Description: IC ETHERNET PHYS LAYER 100-PQFP
• Manufacturer: National Semiconductor

Specifications of DP83840AVCE

• Controller Type: Ethernet Controller, 10Base-T
• Interface: IEEE 802.3af
• Voltage - Supply: 4.75 V ~ 5.25 V
• Current - Supply: 335mA
• Operating Temperature: 0°C ~ 70°C
• Mounting Type: Surface Mount
• Package / Case: 100-MQFP, 100-PQFP
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Other names: *DP83840AVCE

Version A
2.10 POWER AND GROUND PINS
The power (V
pairs, TTL/CMOS Output and I/O pairs, 10 Mb/s pairs and 100 Mb/s pairs. This grouping allows for optimizing the layout
and filtering of the power and ground supplies to this device. Refer to section 5.0 for further detail relating to power
supply filtering.
2.11 SPECIAL CONNECT PINS
GROUP A - TTL/CMOS INPUT SUPPLY PAIRS
IOVCC1, IOGND1
IOVCC2, IOGND2
IOVCC3, IOGND3
PCSVCC, PCSGND
GROUP B- TTL/CMOS OUTPUT AND I/O SUPPLY PAIRS
IOVCC4, IOGND4
RCLKGND
IOVCC5, IOGND5
IOVCC6, IOGND6
REFVCC, REFGND
GROUP C- 10 Mb/s SUPPLY PAIRS
RXVCC, RXGND
TDVCC, TDGND
PLLVCC, PLLGND
OVCC, OGND
GROUP D- 100 Mb/s SUPPLY PAIRS
ANAVCC, ANAGND
CRMVCC, CRMGND
ECLVCC
CGMVCC, CGMGND
NC
RES_0
RES_0
Signal Name
I = TTL/CMOS input
Signal Name
CC
) and ground (GND) pins of the DP83840A are grouped in pairs into four categories--TTL/CMOS Input
Type
J
O = TTL/CMOS output
96, 97
39, 40
51, 52
70, 71
59, 60
68, 69
79, 80
84, 85
18, 19
22, 27
31, 30
32, 35
12, 11
87, 88
Pin #
Pin #
9, 10
61
15
13
14
83
45
48
90
4
TTL Input/Output Supply #1
TTL Input/Output Supply #2
TTL Input/Output Supply #3
Physical Coding Sublayer Supply
TTL Input/Output Supply #4
Receive Clock Ground, No paired V
TTL Input/Output Supply #5
TTL Input/Output Supply #6
25 MHz Clock Supply
Receive Section Supply
Transmit Section Supply
Phase Locked Loop Supply
Internal Oscillator Supply
Analog Section Supply
Clock Recovery Module Supply
ECL Outputs Supply
Clock Generator Module Supply
NO CONNECT: These pins are reserved for future use. Leave them unconnected
(floating).
RESERVED_0: These pins are reserved for future use. This pin must be
connected to ground. For future upgradability, connect this pin to GND via a 0
resistor.
RESERVED_0: These pins are reserved for future use. These pins must be
connected to ground. For future upgradability, connect these pins to GND via 0
resistors.
Z = TRI-STATE output
14
J = IEEE 1149.1 pin
Description
Description
CC
National Semiconductor