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CAT25C64 Datasheet(PDF) 3 Page - Catalyst Semiconductor

Part # CAT25C64
Description  32K/64K-Bit SPI Serial CMOS E2PROM
PDF  9 Pages
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Manufacturer  CATALYST [Catalyst Semiconductor]
Direct Link  http://www.catalyst-semiconductor.com
Logo CATALYST - Catalyst Semiconductor

CAT25C64 Datasheet(HTML) 3 Page - Catalyst Semiconductor

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CAT25C32/64
Doc No. 25087 -00 8/99 SPI-1
Advanced Information
Limits
Vcc=
VCC =VCC =
1.8V-6.0V
2.5V-6.0V
4.5V-5.5V
Test
SYMBOL PARAMETER
Min.
Max.
Min.
Max.
Min.
Max.
UNITS
Conditions
tSU
Data Setup Time
50
50
20
ns
tH
Data Hold Time
50
50
20
ns
tWH
SCK High Time
250
125
40
ns
tWL
SCK Low Time
250
125
40
ns
fSCK
Clock Frequency
DC
1
DC
3
DC
10
MHz
tLZ
HOLD to Output Low Z
50
50
50
ns
tRI(1)
Input Rise Time
2
2
2
µs
tFI(1)
Input Fall Time
2
2
2
µs
tHD
HOLD Setup Time
100
100
40
ns
tCD
HOLD Hold Time
100
100
40
ns
tWC
Write Cycle Time
10
10
5
ms
tV
Output Valid from Clock Low
250
250
80
ns
tHO
Output Hold Time
0
0
0
ns
tDIS
Output Disable Time
250
250
75
ns
tHZ
HOLD to Output High Z
150
100
50
ns
tCS
CS High Time
500
250
200
ns
tCSS
CS Setup Time
500
250
100
ns
tCSH
CS Hold Time
500
250
100
ns
NOTE:
(1) This parameter is tested initially and after a design or process change that affects the parameter.
A.C. CHARACTERISTICS
Figure 1. Sychronous Data Timing
CL = 50pF
Note: Dashed Line= mode (1, 1) — — — —
VALID IN
VIH
VIL
tCSS
VIH
VIL
VIH
VIL
VOH
VOL
HI-Z
tSU
tH
tWH
tWL
tV
tCS
tCSH
tHO
tDIS
HI-Z
CS
SCK
SI
SO
tRI
tFI



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