Capacitance, Thermal resistance, Ac test loads and waveforms – Cypress CY7C1354CV25 User Manual
Page 17
CY7C1354CV25
CY7C1356CV25
Document #: 38-05537 Rev. *H
Page 17 of 28
Capacitance
[16]
Parameter
Description
Test Conditions
100 TQFP
Max.
119 BGA
Max.
165 FBGA
Max.
Unit
C
IN
Input
Capacitance
T
A
= 25°C, f = 1 MHz,
V
DD
= 2.5V, V
DDQ
= 2.5V
5
5
5
pF
C
CLK
Clock Input Capacitance
5
5
5
pF
C
I/O
Input/Output Capacitance
5
7
7
pF
Thermal Resistance
[16]
Parameters
Description
Test Conditions
100 TQFP
Package
119 BGA
Package
165 FBGA
Package
Unit
Θ
JA
Thermal Resistance
(Junction to
Ambient)
Test conditions follow standard
test methods and procedures
for measuring thermal
impedance, per EIA/JESD51.
29.41
34.1
16.8
°C/W
Θ
JC
Thermal Resistance
(Junction to Case)
6.13
14
3.0
°C/W
AC Test Loads and Waveforms
Note:
16. Tested initially and after any design or process change that may affect these parameters.
OUTPUT
R = 1667
Ω
R = 1538
Ω
5 pF
INCLUDING
JIG AND
SCOPE
(a)
(b)
OUTPUT
R
L
= 50
Ω
Z
0
= 50
Ω
V
T
= 1.25V
2.5V
ALL INPUT PULSES
V
DDQ
GND
90%
10%
90%
10%
≤ 1 ns
≤ 1 ns
(c)
2.5V I/O Test Load