Description
The ACE25AB400G Serial flash supports the standard Serial Peripheral Interface (SPI), and supports the Dual SPI: Serial Clock, Chip Select, Serial Data I/O0 (SI), I/O1 (SO). The Dual I/O data is transferred at a speed of 240Mbits/s.

FEATUREs
● 4M-bit Serial Flash
   512 K-byte
   256 bytes per programmable page
● Standard , Dual SPI
   Standard SPI: SCLK, CS#, SI, SO
   Dual SPI: SCLK, CS#, IO0, IO1
● Flexible Architecture
   Sector of 4K-byte
   Block of 32k-byte
   Block of 64k-byte
● Software Write Protection
   Write protect all/portion of memory via soft- ware
● Package Options
   See 1.1 Available Ordering OPN
   All Pb-free packages are compliant RoHS, Halo- gen-Free and REACH.
● Temperature Range & Moisture Sensitivity Level
   Industrial Level Temperature. (-40℃ to +85℃ ), MSL3
● Low Power Consumption
   20mA maximum active current
   0.05uA maximum standby current
● Single Power Supply Voltage: Full voltage range:2.7~3.6V
● Support 128 bits Unique ID
● Minimum 100,000 Program/Erase Cycle
● High Speed Clock Frequency
   120MHz for fast read with 30PF load
   Dual I/O Data transfer up to 240Mbits/s
● Program/Erase Speed
   Page Program time: 1.0ms typical
   Sector Erase time: 60ms typical
   Block Erase time:0.3s/ 0.45s typical
   Chip Erase time: 3.2s typical