Cypress CY14B102N Manual De Usuario

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ADVANCE
CY14E108L, CY14E108N
Document Number: 001-45524 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 
.
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
.
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
5.0V
OUTPUT
5 pF
R1
R2
512
Ω
5.0V
OUTPUT
30 pF
R1
R2
512
Ω
for tri-state specs
 963
Ω
 963
Ω
Note
9. These parameters are guaranteed but not tested.