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CY7C1381KV33 Datasheet(PDF) 23 Page - Cypress Semiconductor

Part No. CY7C1381KV33
Description  18-Mbit (512K × 36/1M × 18) Flow-Through SRAM (With ECC)
Download  34 Pages
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Maker  CYPRESS [Cypress Semiconductor]
Homepage  http://www.cypress.com
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CY7C1381KV33 Datasheet(HTML) 23 Page - Cypress Semiconductor

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CY7C1381KV33/CY7C1381KVE33
CY7C1383KV33/CY7C1383KVE33
Document Number: 001-97888 Rev. *F
Page 23 of 34
Capacitance
Parameter
Description
Test Conditions
100-pin TQFP
Package
165-ballFBGA
Package
Unit
CIN
Input capacitance
TA = 25 °C, f = 1 MHz,
VDD = 3.3 V, VDDQ = 2.5 V
55
pF
CCLK
Clock input capacitance
5
5
pF
CIO
Input/Output capacitance
5
5
pF
Thermal Resistance
Parameter
Description
Test Conditions
100-pin TQFP
Package
165-ballFBGA
Package
Unit
JA
Thermal resistance
(junction to ambient)
Test conditions follow
standard
test
methods
and
procedures
for
measuring
thermal
impedance,
per
EIA/JESD51.
With Still Air (0 m/s)
37.95
17.34
C/W
With Air Flow (1 m/s)
33.19
14.33
C/W
With Air Flow (3 m/s)
30.44
12.63
C/W
JB
Thermal resistance
(junction to board)
--
24.07
8.95
C/W
JC
Thermal resistance
(junction to case)
8.36
3.50
C/W
AC Test Loads and Waveforms
Figure 4. AC Test Loads and Waveforms
OUTPUT
R = 317
R = 351
5pF
INCLUDING
JIG AND
SCOPE
(a)
(b)
OUTPUT
RL = 50 
Z0 = 50 
VT= 1.5 V
3.3 V
ALL INPUT PULSES
VDDQ
GND
90%
10%
90%
10%
 1 ns
 1 ns
(c)
OUTPUT
R = 1667
R = 1538
5pF
INCLUDING
JIG AND
SCOPE
(a)
(b)
OUTPUT
RL = 50 
Z0 = 50 
VT = 1.25 V
2.5 V
ALL INPUT PULSES
VDDQ
GND
90%
10%
90%
10%
 1 ns
 1 ns
(c)
3.3 V I/O Test Load
2.5 V I/O Test Load


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