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CY14B108L, CY14B108N
Document Number: 001-45523 Rev. *A Page 8 of 20
AC Test Conditions
Input Pulse Levels ....................................................0V to 3V
Input Rise and Fall Times (10% - 90%)........................ <5 ns
Input and Output Timing Reference Levels....................1.5V
Capacitance
In the following table, the capacitance parameters are listed
[9]
.
Parameter Description Test Conditions Max Unit
C
IN
Input Capacitance T
A
= 25°C, f = 1 MHz,
V
CC
= 0 to 3.0V
14 pF
C
OUT
Output Capacitance 14 pF
Thermal Resistance
In the following table, the thermal resistance parameters are listed
[9]
.
Parameter Description Test Conditions 48-FBGA 44-TSOP II 54-TSOP II Unit
Θ
JA
Thermal Resistance
(Junction to Ambient)
Test conditions follow standard test methods
and procedures for measuring thermal
impedance, in accordance with EIA/JESD51.
28.82 31.11 30.73 °C/W
Θ
JC
Thermal Resistance
(Junction to Case)
7.84 5.56 6.08 °C/W
Figure 4. AC Test Loads
3.0V
OUTPUT
5 pF
R1
R2
789Ω
3.0V
OUTPUT
30 pF
R1
R2
789Ω
for tri-state specs
577Ω
577Ω
Notes
9. These parameters are guaranteed but not tested.
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