Cypress CY14B108L - Manual (Page 8)

ADVANCE
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
789
Ω
3.0V
OUTPUT
30 pF
R1
R2
789
Ω
for tri-state specs 577
Ω 577
Ω
Notes
9. These parameters are guaranteed but not tested.
[+] Feedback