深圳市轩成微电子有限公司

• Clock frequency: 200, 166, 143 MHz

• Fully synchronous; all signals referenced to a

positive clock edge

• Internal bank for hiding row access/precharge

• Power supply: Vdd/Vddq = 2.3V-3.6V

IS42/45SxxxxxF - Vdd/Vddq = 3.3V

IS42/45RxxxxxF - Vdd/Vddq = 2.5

• LVTTL interface

• Programmable burst length

– (1, 2, 4, 8, full page)

• Programmable burst sequence:

Sequential/Interleave

• Auto Refresh (CBR)

• Self Refresh

• 8K refresh cycles every 64 ms

• Random column address every clock cycle

• Programmable CAS latency (2, 3 clocks)

• Burst read/write and burst read/single write

operations capability

• Burst termination by burst stop and precharge

command

• Packages:

x8/x16: 54-pin TSOP-II, 54-ball TF-BGA (x16 only)

• Temperature Range:

Commercial (0o

C to +70o

C)

Industrial (-40o

C to +85o

C)

Automotive, A1 (-40o

C to +85o

C)

Automotive, A2 (-40o

C to +105o

C)