E
28F001BX
3
CONTENTS
PAGE
PAGE
1.0 APPLICATIONS..............................................5
2.0 PRINCIPLES OF OPERATION..................... 10
2.1 Command Register and Write Automation. 11
2.2 Data Protection.......................................... 11
3.0 BUS OPERATION ........................................ 11
3.1 Read.......................................................... 12
3.2 Output Disable........................................... 12
3.3 Standby..................................................... 12
3.4 Deep Power-Down..................................... 13
3.5 Intelligent Identifier Operation.................... 13
3.5.1 Programming Equipment .................... 13
3.5.2 In-System Programming ..................... 13
3.6 Write.......................................................... 13
4.0 COMMAND DEFINITIONS............................ 13
4.1 Read Array Command............................... 13
4.2 Intelligent Identifier Command for In-System
Programming............................................ 14
4.3 Read Status Register Command ............... 15
4.4 Clear Status Register Command ............... 15
4.5 Erase Setup/Erase Confirm Commands.... 15
4.6 Erase Suspend/Erase Resume Commands15
4.7 Program Setup/Program Commands......... 17
5.0 EXTENDED ERASE/PROGRAM CYCLING . 17
6.0 ON-CHIP PROGRAMMING ALGORITHM.... 17
7.0 ON-CHIP ERASE ALGORITHM....................17
8.0 BOOT BLOCK PROGRAM AND ERASE.....18
8.1 In-System Operation..................................18
8.1.1 Programming Equipment.....................18
9.0 DESIGN CONSIDERATIONS........................22
9.1 Power Supply Decoupling..........................22
9.2 V
PP
Trace on Printed Circuit Boards ..........22
9.3 V
CC
, V
PP
, RP# Transitions and the
Command/Status Registers ......................22
9.4 Power-Up/Down Protection........................22
9.5 28F001BX Power Dissipation ....................23
10.0 ELECTRICAL SPECIFICATIONS..............24
10.1 Absolute Maximum Ratings .....................24
10.2 Operating Conditions ...............................24
10.3 Capacitance............................................24
10.4 DC Characteristics..................................25
10.5 AC Characteristics
—Read-Only
Operations................................................29
10.6 AC Characteristics—Write/Erase/Program
Operations................................................31
10.6.1 PROM Programmer Specifications....32
10.7 Erase and Programming Performance....32
10.8 AC Characteristics—CE#-Controlled Write
Operations................................................36
10.8.1 PROM Programmer Specifications....37
11.0 ORDERING INFORMATION ......................39
12.0 ADDITIONAL INFORMATION....................39