AM29F400B AMD [Advanced Micro Devices], AM29F400B Datasheet - Page 5

• Manufacturer Part Number: AM29F400B
• Description: 4 Megabit (512 K x 8-Bit/256 K x 16-Bit) CMOS 5.0 Volt-only Boot Sector Flash Memory
• Manufacturer: AMD [Advanced Micro Devices]

CONNECTION DIAGRAMS
PIN CONFIGURATION
A0–A17
DQ0–DQ14 = 15 data inputs/outputs
DQ15/A-1 = DQ15 (data input/output, word mode),
BYTE#
CE#
OE#
WE#
RESET#
RY/BY#
V
V
NC
CC
SS
= 18 addresses
= Selects 8-bit or 16-bit mode
= Chip enable
= Output enable
= Write enable
= Hardware reset pin, active low
= Ready/Busy# output
= +5.0 V single power supply
= Device ground
= Pin not connected internally
A-1 (LSB address input, byte mode)
(see Product Selector Guide for
device speed ratings and voltage
supply tolerances)
RY/BY#
DQ10
DQ11
DQ0
DQ8
DQ1
DQ9
DQ2
DQ3
OE#
CE#
A17
V
NC
A7
A6
A5
A4
A3
A2
A1
A0
SS
10
11
12
13
14
15
16
17
18
19
20
21
22
1
2
3
4
5
6
7
8
9
P R E L I M I N A R Y
Am29F400B
SO
LOGIC SYMBOL
18
CE#
OE#
A0–A17
WE#
RESET#
BYTE#
44
43
42
41
40
39
38
37
36
35
34
33
32
31
30
29
28
27
26
25
24
23
RESET#
WE#
A8
A9
A10
A11
A12
A13
A14
A15
A16
BYTE#
V
DQ15/A-1
DQ7
DQ14
DQ6
DQ13
DQ5
DQ12
DQ4
V
SS
CC
DQ0–DQ15
RY/BY#
(A-1)
16 or 8
21505C-3
21505C-4
5