A d v a n c e I n f o r m a t i o n
Pin Configuration
A0–A21
=
=
=
=
=
22 address inputs
A0-A20
21 address inputs
DQ0–DQ7
DQ0-DQ14
DQ15/A-1
8 data inputs/outputs
15 data inputs/outputs
DQ15 (data input/output, word mode),
A-1 (LSB address input, byte mode)
BYTE#
CE#
=
=
=
=
=
=
Selects 8-bit or 16-bit mode
Chip enable
OE#
Output enable
WE#
Write enable
RESET#
WP#/ACC
Hardware reset pin
Hardware Write Protect input/Programming
Acceleration input.
ACC
=
=
=
Hardware Write Protect input
Ready/Busy output
RY/BY#
V
3.0 volt-only single power supply
CC
see Product Selector Guide on page 5 for speed
options and voltage supply tolerances)
V
=
=
Device ground
SS
NC
Pin not connected internally
Logic Symbol
Model 00
Models 03, 04
21
22
A0–A20
8
A0–A21
16 or 8
DQ0–DQ15
(A-1)
DQ0–DQ7
CE#
OE#
CE#
OE#
WE#
WE#
RESET#
RESET#
ACC
WP#/ACC
BYTE#
RY/BY#
RY/BY#
June 13, 2005 S29AL032D_00_A3
S29AL032D
9
SPANSION [ SPANSION ]
