FM1808B 查看數據表（PDF） - Cypress Semiconductor
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FM1808B Datasheet PDF : 12 Pages
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Capacitance (TA = 25 C, f=1.0 MHz, VDD = 5V)
Symbol
Parameter
Min
CI/O
Input/Output Capacitance (DQ)
-
CIN
Input Capacitance
-
AC Test Conditions
Input Pulse Levels
Input rise and fall times
Input and output timing levels
0 to 3V
10 ns
1.5V
FM1808B – 256Kb Bytewide 5V F-RAM
Max Units Notes
8
pF
6
pF
Equivalent AC Load Circuit
Read Cycle Timing
CE
A0-14
OE
DQ0-7
tRC
tCA
tAH
tAS
tOE
tCE
Write Cycle Timing - /CE Controlled Timing
CE
A0-14
WE
tAH
tAS
tWS
tWC
tCA
OE
tDS
DQ0-7
Document Number: 001-86209 Rev. **
tPC
tOHZ
tHZ
tPC
tWH
tDH
Page 8 of 12
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