Cypress CY7C1443AV33 - Manual (Page 20)

CY7C1441AV33
CY7C1443AV33,CY7C1447AV33
Document #: 38-05357 Rev. *G Page 20 of 31
Capacitance
Parameter
[17]
Description Test Conditions
100 TQFP
Max.
165 FBGA
Max.
209 FBGA
Max.
Unit
C
IN
Input Capacitance T
A
= 25
°C, f = 1 MHz,
V
DD
= 3.3V
V
DDQ
= 2.5V
6.5 7 5 pF
C
CLK
Clock Input Capacitance 3 7 5 pF
C
IO
Input/Output Capacitance 5.5 6 7 pF
Thermal Resistance
Parameter
[17]
Description Test Conditions
100 TQFP
Package
165 FBGA
Package
209 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. 25.21 20.8 25.31
°C/W
Θ
JC
Thermal Resistance
(Junction to Case) 2.28 3.2 4.48
°C/W
Figure 2. AC Test Loads and Waveforms
OUTPUT
R = 317
Ω
R = 351 Ω
5 pF
INCLUDING
JIG AND
SCOPE
(a)
(b)
OUTPUT
R
L
= 50 Ω
Z
0
= 50 Ω
V
T
= 1.5V
3.3V
ALL INPUT PULSES
V
DDQ
GND
90%
10%
90%
10%
≤ 1 ns ≤ 1 ns
(c)
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)
3.3V IO Test Load
2.5V IO Test Load
Note
17. Tested initially and after any design or process change that may affect these parameters
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