COM20022I-HT SMSC, COM20022I-HT Datasheet - Page 74

• Manufacturer Part Number: COM20022I-HT
• Description: IC CTRLR ARCNET 2KX8 RAM 48-TQFP
• Manufacturer: SMSC
• Series: ARCNETr

Specifications of COM20022I-HT

• Controller Type: ARCNET Controller
• Interface: Differential
• Voltage - Supply: 4.5 V ~ 5.5 V
• Current - Supply: 65mA
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 48-TQFP, 48-VQFP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 638-1003

Revision 09-27-07
nREFEX
nDACK
DREQ
(D15-D0)
Note*: t7 is measured from the latest active timing among TC, Write/Read.
nWR
nRD
nCS
DATA
TC
Write LOW-POINTER
when DMAEN=1
t3
t2
t10
Figure 8.17
t21
t19
DATASHEET
- DMA Timing (Intel Mode 80XX)
t24
t6
t8
t26
Page 74
t12
t11
VALID
t9
10 Mbps ARCNET (ANSI 878.1) Controller with 2Kx8 On-Chip RAM
t20
t25
t16
t4
t5
t14
t1
t15
t3
t19
t24
t7*
t13
t17
VALID
t20
t25
t18
SMSC COM20022I
Datasheet