COM20019I-DZD SMSC, COM20019I-DZD Datasheet - Page 21

• Manufacturer Part Number: COM20019I-DZD
• Description: IC CTRLR ARCNET 2KX8 RAM 28-PLCC
• Manufacturer: SMSC
• Series: ARCNETr

Specifications of COM20019I-DZD

• Controller Type: ARCNET Controller
• Interface: Differential
• Voltage - Supply: 4.5 V ~ 5.5 V
• Current - Supply: 20mA
• Operating Temperature: 0°C ~ 70°C
• Mounting Type: Surface Mount
• Package / Case: 28-PLCC
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 638-1000-5

SMSC COM20019I
Cost Competitive ARCNET (ANSI 878.1) Controller with 2K x 8 On-Chip RAM
nWR/DIR
AD0-AD2,
nRD/nDS
D3-D7
nRESET
nINTR
nCS
ARBITRATION
CIRCUITRY
CIRCUITRY
DECODING
ADDRESS
BUS
LOGIC
RESET
COMMAND
REGISTER
Figure 5.5
STATUS/
RECONFIGURATION
DATASHEET
- INTERNAL BLOCK DIAGRAM
TIMER
SEQUENCER
REGISTERS
WORKING
MICRO-
Page 21
AND
2K x 8
RAM
NODE ID
LOGIC
OSCILLATOR
LOGIC
ADDITIONAL
TX/RX
REGISTERS
XTAL1
nPULSE1
nPULSE2
nTXEN
RXIN
XTAL2
Rev. 09-25-07