Pin Configuration - Harman Kardon HK 990/230 Service Manual

Pin Configuration

A0–A19
DQ0–DQ14
DQ15/A-1
BYTE#
CE#
OE#
WE#
RESET#
RY/BY#
V
CC
V
SS
NC
Logic Symbol
P r e l i m i n a r y
= 20 addresses
= 15 data inputs/outputs
= DQ15 (data input/output, word mode),
A-1 (LSB address input, byte mode)
= Selects 8-bit or 16-bit mode
= Chip enable
= Output enable
= Write enable
= Hardware reset pin
= Ready/Busy output
= 3.0 volt-only single power supply
(see Product Selector Guide for speed
options and voltage supply tolerances)
= Device ground
= Pin not connected internally
20
A0–A19
CE#
OE#
WE#
RESET#
BYTE#
29AL016D
39
16 or 8
DQ0–DQ15
(A-1)
RY/BY#
S29AL016D_00_A2 December 17, 2004