A29L400UV-90U AMICC [AMIC Technology], A29L400UV-90U Datasheet - Page 4

• Manufacturer Part Number: A29L400UV-90U
• Description: 512K X 8 Bit / 256K X 16 Bit CMOS 3.0 Volt-only, Boot Sector Flash Memory
• Manufacturer: AMICC [AMIC Technology]

Block Diagram
PRELIMINARY
Pin Descriptions
A0-A17
RESET
BYTE
VCC
VSS
WE
CE
OE
VCC Detector
RY/BY
(October, 2002, Version 0.2)
Command
Register
Control
State
I/O
15
(A-1)
I/O
A0 - A17
RESET
Pin No.
RY/
BYTE
VCC
0
VSS
WE
OE
CE
NC
- I/O
BY
14
PGM Voltage
Generator
I/O
A-1
Timer
15
Sector Switches
Erase Voltage
Address Inputs
Data Inputs/Outputs
Data Input/Output, Word Mode
LSB Address Input, Byte Mode
Chip Enable
Write Enable
Output Enable
Hardware Reset
Selects Byte Mode or Word Mode
Ready/
Ground
Power Supply
Pin not connected internally
Generator
4
BUSY
STB
Description
- Output
Output Enable
Chip Enable
Logic
Y-Decoder
X-decoder
AMIC Technology, Inc.
STB
A29L400 Series
I/O
Input/Output
Data Latch
Cell Matrix
0
Buffers
Y-Gating
- I/O
15
(A-1)