AM79C90JCTR AMD [Advanced Micro Devices], AM79C90JCTR Datasheet - Page 44

• Manufacturer Part Number: AM79C90JCTR
• Description: CMOS Local Area Network Controller for Ethernet (C-LANCE)
• Manufacturer: AMD [Advanced Micro Devices]

SWITCHING WAVEFORMS
44
Note:
1. There are two types of delays which depend on which internal register is accessed.
DAL0–DAL15
(Output from
Type 1 refers to access of CSR0 CSR3 and RAP.
Type 2 refers to access of CSR1 and CSR2 which are longer than Type 1 delay.
AMD
C-LANCE)
READY
READ
HOLD
ADR
DAS
CS
74
64
56
Bus Slave Read Timing
P R E L I M I N A R Y
See
Note 1
Am79C90
54
35
60 61
36
58
Read Data
55
63
62
37
53
O.D
17881B-45