D A T A S H E E T
PIN CONFIGURATION
LOGIC SYMBOL
A0–A17
= 18 addresses
DQ0–DQ14 = 15 data inputs/outputs
18
DQ15/A-1
=
DQ15 (data input/output, word mode),
A-1 (LSB address input, byte mode)
A0–A17
16 or 8
DQ0–DQ15
(A-1)
BYTE#
CE#
=
=
=
=
=
=
=
Selects 8-bit or 16-bit mode
Chip enable
CE#
OE#
OE#
Output enable
WE#
Write enable
WE#
RESET#
RY/BY#
Hardware reset pin, active low
Ready/Busy# output
RESET#
BYTE#
RY/BY#
V
+5.0 V single power supply
(see Product Selector Guide for
device speed ratings and voltage
supply tolerances)
CC
V
=
=
Device ground
SS
NC
Pin not connected internally
6
Am29F400B
21505E8 November 11, 2009
CYPRESS [ CYPRESS ]
