Cypress CY14B108M Computer Hardware User Manual


 
PRELIMINARY
CY14B108K, CY14B108M
Document #: 001-47378 Rev. ** Page 16 of 29
AC Test Conditions
Input Pulse Levels....................................................0V to 3V
Input Rise and Fall Times (10% - 90%)........................ <3 ns
Input and Output Timing Reference Levels....................1.5V
Data Retention and Endurance
Parameter Description Min Unit
DATA
R
Data Retention 20 Years
NV
C
Nonvolatile STORE Operations 200 K
Capacitance
In the following table, the capacitance parameters are listed.
[13]
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.
[13]
Parameter Description Test Conditions 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.
31.11 30.73 °C/W
Θ
JC
Thermal Resistance
(Junction to Case)
5.56 6.08 °C/W
Figure 6. AC Test Loads
3.0V
OUTPUT
5 pF
R1
R2
789Ω
3.0V
OUTPUT
30 pF
R1
R2
789Ω
577Ω
577Ω
Note
13.These parameters are only guaranteed by design and are not tested.
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