TB28F400BVT80 Intel, TB28F400BVT80 Datasheet - Page 8
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TB28F400BVT80
Manufacturer Part Number
TB28F400BVT80
Description
Manufacturer
Intel
Datasheet
1.TB28F400BVT80.pdf
(57 pages)
Specifications of TB28F400BVT80
Density
4Mb
Access Time (max)
80ns
Interface Type
Parallel
Boot Type
Top
Address Bus
19/18Bit
Operating Supply Voltage (typ)
3.3/5V
Operating Temp Range
-40C to 85C
Package Type
SOP
Sync/async
Asynchronous
Operating Temperature Classification
Industrial
Operating Supply Voltage (min)
3/4.5V
Operating Supply Voltage (max)
3.6/5.5V
Word Size
8/16Bit
Number Of Words
512K/256K
Supply Current
70mA
Mounting
Surface Mount
Pin Count
44
Lead Free Status / Rohs Status
Not Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
TB28F400BVT80
Manufacturer:
INTEL
Quantity:
5 000
Part Number:
TB28F400BVT80
Manufacturer:
INTEL
Quantity:
20 000
4-MBIT SmartVoltage BOOT BLOCK FAMILY
NOTE:
A data bus buffer may be needed for processor speeds above 25 MHz.
8
Figure 2. 28F004B Interface to Intel80C188EB 8-Bit Embedded Microprocessor
i386™ EX CPU
(25 MHz)
RESET
80C188EB
Figure 1. 28F400 Interface to Intel386™ EX Microprocessor
AD
RESET
A[16:18]
RESIN#
A[18:1]
D[0:15]
A
UCS#
0
WR#
WR#
8
-AD
P1.X
P1.X
CS#
RD#
RD#
-A
ALE
15
7
SEE NEW DESIGN RECOMMENDATIONS
System Reset
LE
LE
ADDRESS
ADDRESS
LATCHES
LATCHES
V
CC
V
CC
10K
V
WP#
A
DQ
CE#
WE#
OE#
RP#
PP
0
-A
0
-DQ
18
A[0:17]
CE#
OE#
WE#
DQ[0:15]
RP#
28F004-T
28F400BV-60
7
0530_01
0530_02