com90c66 Standard Microsystems Corp., com90c66 Datasheet - Page 16
com90c66
Manufacturer Part Number
com90c66
Description
Arcnet Controller/transceiver With At Interface And On-chip Ram Corporation
Manufacturer
Standard Microsystems Corp.
Datasheet
1.COM90C66.pdf
(76 pages)
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Quantity
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BALE
nENROM
BALE
AEN
A19
A18
A17
A16
A15
A14
A13
A12
A11
A15
A14
A13
A12
A11
A10
A4
A9
A8
A7
A6
A5
BALE
A13*
A19
A18
A17
A16
A15
A14
* In I/O 16K X 8 Mode, A13 is a Don't Care
Transparent
Latch
Transparent
Transparent
Latch
Latch
FIGURE 4 – MEMORY SELECTOR
FIGURE 5 – PROM SELECTOR
FIGURE 6 – I/O SELECTOR
MEMORY SELECT
Comparator
I/O SELECTOR
Comparator
Comparator
DECODE
16
PROM
Decoder
Decoder
5 to 9
5 to 7
Decoder
3 to 12
IOS2
IOS1
IOS0
MS4
MS3
MS2
MS1
MS0
MS4
MS3
MS2
MS1
MS0