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X25138 Datasheet, PDF (9/18 Pages) Xicor Inc. – 5MHz SPI Serial E2PROM with Block Lock PROTECTION
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X25138
EQUIVALENT A.C. LOAD CIRCUIT
5V
3V
1.44KW
OUTPUT
1.95KW
100pF
1.64KW
OUTPUT
4.63KW
100pF
A.C. CONDITIONS OF TEST
Input Pulse Levels
Input Rise and Fall Times
Input and OutputTiming Levels
VCC x 0.1 to VCC x 0.9
10ns
VCC X 0.5
7037 FRM T11
7037 FRM F09
A.C. OPERATING CHARACTERISTICS
Data Input Timing
Symbol
fSCK
tCYC
tLEAD
tLAG
tWH
tWL
tSU
tH
tRI(4)
tFI(4)
tHD
tCD
tCS
tWC(5)
Parameter
Clock Frequency
Cycle Time
CS Lead Time
CS Lag Time
Clock HIGH Time
Clock LOW Time
Data Setup Time
Data Hold Time
Data In Rise Time
Data In Fall Time
HOLD Setup Time
HOLD Hold Time
CS Deselect Time
Write Cycle Time
Data Output Timing
VCC = 2.5V-5.5V
Min.
Max.
0
3.3
300
150
150
130
130
30
30
2
2
60
60
100
10
VCC = 4.5V-5.5V
Min.
Max.
0
5
200
100
100
80
80
20
20
2
2
40
40
100
10
Units
MHz
ns
ns
ns
ns
ns
ns
ns
ms
ms
ns
ns
ns
ms
7037 FRM T12
VCC = 2.5V-5.5V
VCC = 4.5V-5.5V
Symbol
Parameter
Min.
Max.
Min.
Max.
Units
fSCK
Clock Frequency
0
3.3
0
5
MHz
tDIS
Output Disable Time
150
100
ns
tV
Output Valid from Clock LOW
130
80
ns
tHO
Output Hold Time
0
0
ns
tRO(4)
Output Rise Time
50
50
ns
tFO(4)
Output Fall Time
50
50
ns
tLZ(4)
HOLD HIGH to Output in Low Z
50
50
ns
tHZ(4)
HOLD LOW to Output in High Z
50
50
ns
7037 FRM T13
Notes: (4) This parameter is periodically sampled and not 100% tested.
(5) tWC is the time from the rising edge of CS after a valid write sequence has been sent to the end of the self-timed internal nonvolatile
write cycle
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