Numonyx™ Wireless Flash Memory (W18)
Contents
1.0 Introduction..............................................................................................................7
1.1
1.2
Nomenclature.....................................................................................................7
Conventions .......................................................................................................8
2.0 Functional Overview..................................................................................................9
2.1 Memory Map and Partitioning.............................................................................. 10
3.0 Package Information...............................................................................................13
3.1
3.2
W18 — 90 nm Lithography .................................................................................13
W18 — 130 nm.................................................................................................14
4.0 Ballout and Signal Descriptions ...............................................................................16
4.1
4.2
Signal Ballout ................................................................................................... 16
Signal Descriptions............................................................................................ 18
5.0 Maximum Ratings and Operating Conditions............................................................ 21
5.1
5.2
Absolute Maximum Ratings.................................................................................21
Operating Conditions .........................................................................................21
6.0 Electrical Specifications........................................................................................... 23
6.1
6.2
DC Current Characteristics.................................................................................. 23
DC Voltage Characteristics.................................................................................. 24
7.0 AC Characteristics ................................................................................................... 26
7.1
7.2
7.3
7.4
7.5
AC Write Characteristics..................................................................................... 36
Erase and Program Times................................................................................... 42
Reset Specifications........................................................................................... 43
AC I/O Test Conditions.......................................................................................44
Device Capacitance ........................................................................................... 45
8.0 Power and Reset Specifications...............................................................................46
8.1
8.2
8.3
8.4
Active Power..................................................................................................... 46
Automatic Power Savings (APS) ..........................................................................46
Standby Power.................................................................................................. 46
Power-Up/Down Characteristics........................................................................... 46
8.4.1 System Reset and RST#..........................................................................46
8.4.2 VCC, VPP, and RST# Transitions............................................................... 47
Power Supply Decoupling ................................................................................... 47
8.5
9.0 Bus Operations Overview ........................................................................................48
9.1
Bus Operations .................................................................................................48
9.1.1 Reads................................................................................................... 48
9.1.2 Writes................................................................................................... 49
9.1.3 Output Disable.......................................................................................49
9.1.4 Burst Suspend .......................................................................................49
9.1.5 Standby................................................................................................50
9.1.6 Reset.................................................................................................... 50
Device Commands............................................................................................. 50
Command Sequencing .......................................................................................53
9.2
9.3
10.0 Read Operations......................................................................................................55
10.1 Asynchronous Page Read Mode ........................................................................... 55
10.2 Synchronous Burst Read Mode............................................................................ 55
10.3 Read Array.......................................................................................................56
10.4 Read Identifier.................................................................................................. 56
November 2007
Order Number: 290701-18
Datasheet
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