FM25CL64 - Automotive Temp.
AC Parameters (TA = -40° C to +125° C, VDD = 3.0V to 3.6V, CL = 30pF)
Symbol
fCK
tCH
tCL
tCSU
tCSH
tOD
tODV
tOH
tD
Parameter
Min
0
25
25
10
10
Max
16
Units
MHz
ns
ns
ns
ns
ns
ns
ns
Notes
SCK Clock Frequency
Clock High Time
Clock Low Time
Chip Select Setup
Chip Select Hold
Output Disable Time
Output Data Valid Time
Output Hold Time
Deselect Time
1
1
20
25
2
0
60
ns
tR
tF
tSU
tH
Data In Rise Time
Data In Fall Time
Data Setup Time
50
50
ns
ns
ns
ns
2,3
2,3
5
5
Data Hold Time
tHS
/HOLD Setup Time
/HOLD Hold Time
/HOLD Low to Hi-Z
/HOLD High to Data Active
10
10
ns
ns
ns
ns
tHH
tHZ
tLZ
20
20
2
2
Notes
1. tCH + tCL = 1/fCK
.
2. Characterized but not 100% tested in production.
3. Rise and fall times measured between 10% and 90% of waveform.
Capacitance (TA = 25° C, f=1.0 MHz, VDD = 3.3V)
Symbol
CO
CI
Parameter
Output Capacitance (SO)
Input Capacitance
Min
-
-
Max
8
6
Units
pF
pF
Notes
1
1
Notes
1. This parameter is periodically sampled and not 100% tested.
AC Test Conditions
Input Pulse Levels
10% and 90% of VDD
Input rise and fall times
Input and output timing levels
Output Load Capacitance
5 ns
0.5 VDD
30 pF
Rev. 3.0
May 2007
Page 10 of 13
RAMTRON [ RAMTRON INTERNATIONAL CORPORATION ]
