FM20L08_07 RAMTRON [Ramtron International Corporation], FM20L08_07 Datasheet - Page 3

• Manufacturer Part Number: FM20L08_07
• Description: 1Mbit Bytewide FRAM Memory - Industrial Temp.
• Manufacturer: RAMTRON [Ramtron International Corporation]

Functional Truth Table
Notes:
Rev. 1.72
May 2007
1)
2)
3)
4)
/CE
H
L
L
L
L
H=Logic High, L=Logic Low, V=Valid Address, X=Don’t Care.
/WE-controlled write cycle begins as a Read cycle and A(16:3) is latched then.
Addresses A(2:0) must remain stable for at least 15 ns during page mode operation.
For write cycles, data-in is latched on the rising edge of /CE or /WE, whichever comes first.
/WE
X
H
H
H
X
L
No Change
No Change
A(16:3)
Change
X
V
V
X
X
Change
A(2:0)
X
V
V
V
V
V
X
Operation
Standby/Idle
Read
Page Mode Read
Random Read
/CE-Controlled Write
/WE-Controlled Write
Page Mode Write
Starts Precharge
3
2
FM20L08 - Industrial Temp.
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