32WQ and 64WQ Family with Asynchronous RAM
Contents
1.0 Introduction..............................................................................................................6
1.1
1.2
Nomenclature.....................................................................................................6
Conventions .......................................................................................................7
2.0 Functional Overview..................................................................................................8
2.1
2.2
Block Diagram ....................................................................................................8
Flash Memory Map and Partitioning........................................................................9
3.0 Package Information...............................................................................................10
4.0 Ballout and Signal Description.................................................................................13
4.1
4.2
Signal Ballout ................................................................................................... 13
Signal Descriptions............................................................................................ 14
5.0 Maximum Ratings and Operating Conditions............................................................ 16
5.1
5.2
5.3
Absolute Maximum Ratings.................................................................................16
Operating Conditions .........................................................................................16
Capacitance......................................................................................................17
6.0 Electrical Specifications........................................................................................... 18
6.1 DC Characteristics............................................................................................. 18
7.0 AC Characteristics ................................................................................................... 20
7.1
7.2
7.3
7.4
Flash AC Characteristics..................................................................................... 20
SRAM AC Characteristics .................................................................................... 20
PSRAM AC Characteristics................................................................................... 22
Device AC Test Conditions.................................................................................. 27
8.0 Flash Power Consumption .......................................................................................28
9.0 Device Operation..................................................................................................... 29
9.1
Bus Operations .................................................................................................29
10.0 Flash Command Definitions ..................................................................................... 33
11.0 Flash Read Operations............................................................................................. 33
12.0 Flash Program Operations .......................................................................................33
13.0 Flash Erase Operations............................................................................................ 33
14.0 Flash Security Modes...............................................................................................33
15.0 Flash Read Configuration Register........................................................................... 33
16.0 SRAM Operations..................................................................................................... 34
16.1 Power-up Sequence and Initialization................................................................... 34
16.2 Data Retention Mode .........................................................................................34
17.0 PSRAM Operations................................................................................................... 36
17.1 Power-Up Sequence and Initialization................................................................... 36
17.1.1 16Mbit PSRAM Power-Up Sequence (Non-Page Mode)..................................36
17.2 Standby Mode/ Deep Power-Down Mode............................................................... 37
17.3 PSRAM Special Read and Write Constraints...........................................................37
A
B
C
D
Write State Machine ................................................................................................38
Common Flash Interface.......................................................................................... 38
Flash Flowcharts ..................................................................................................... 38
Additional Information ............................................................................................ 38
November 2007
Order Number: 251407-13
Datasheet
3
NUMONYX [ NUMONYX B.V ]
