1894K-40LFT IDT, 1894K-40LFT Datasheet - Page 2

• Manufacturer Part Number: 1894K-40LFT
• Description: Ethernet ICs 3.3V 10/100 PHY RMII
• Manufacturer: IDT

Specifications of 1894K-40LFT

• Rohs: yes
• Part # Aliases: ICS1894K-40LFT

Block Diagram
Pin Assignment
IDT® 10BASE-T/100BASE-TX INTEGRATED PHYCEIVER WITH RMII INTERFACE
ICS1894-40
10BASE-T/100BASE-TX INTEGRATED PHYCEIVER WITH RMII INTERFACE
AMDIX
TP_AP
TP_BN
TP_BP
TP_AN
10/100 MII/RMII
TCSR
Management
AMDIX
TP_AP
TP_BN
TP_BP
TP_AN
VDD
VDD
VSS
VSS
TCSR
Interface
Interface
VDD
VDD
VSS
VSS
MAC
MII
1
NLG40 Without Ground Connecting to
11
1
NLG40 Without Ground Connecting to
11
Extended
Interface
Register
40-pin MLF
40-pin MLF
Thermal Pad
MUX
Set
MII
Thermal Pad
PCS
•
•
•
•
Synthesizer
Low-Jitter
Framer
CRS/COL
Detection
Parallel to Serial
4B/5B
Clock
Clock
31
21
31
21
TXD0
TXEN
NOD/RXER
TXER
SPEED
RMII/RXDV
FDPX/RXD0
SI/LED4
SPEED/TXCLK
ANSEL/RXCLK
TXD0
TXEN
SPEED/TXCLK
NOD/RXER
TXER
SPEED
RMII/RXDV
FDPX/RXD0
SI/LED4
ANSEL/RXCLK
Smart Power
PMA
•
•
•
•
100Base-T
Control
10Base-T
Power
Clock Recovery
Link Monitor
Signal Detection
Error Detection
Block
TP_PMD
•
•
•
•
Configuration
2
and Status
LEDs and PHY
Address
MLT-3
Stream Cipher
Adaptive Equalizer
Baseline Wander
Correction
Negotiation
Integrated
Switch
Auto-
ICS1894-40
Modules and
Interface to
Connector
Magnetics
Twisted-
RJ45
Pair
PHYCEIVER
REV K 022412