COM20022I-HT Standard Microsystems (SMSC), COM20022I-HT Datasheet - Page 74

• Manufacturer Part Number: COM20022I-HT
• Manufacturer: Standard Microsystems (SMSC)

Specifications of COM20022I-HT

• Operating Supply Voltage (typ): 5V
• Operating Supply Voltage (min): 4.5V
• Operating Supply Voltage (max): 5.5V
• Operating Temp Range: -40C to 85C
• Operating Temperature Classification: Industrial
• Mounting: Surface Mount
• Pin Count: 48
• Lead Free Status / Rohs Status: Compliant

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