Cypress CY7C1041DV33 Manual De Usuario

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CY7C1041DV33
Document #: 38-05473  Rev. *E
Page 4 of 13 
Capacitance
Parameter
Description
Test Conditions
Max
Unit
C
IN
Input Capacitance
T
A
 = 25
°C, f = 1 MHz, V
CC
 = 3.3V
8
pF
C
OUT
IO Capacitance
8
pF
Thermal Resistance
Parameter
Description
Test Conditions
FBGA 
Package
SOJ
Package
TSOP II
Package
Unit
Θ
JA
Thermal Resistance (Junction 
to Ambient)
Still Air, soldered on a 3 × 4.5 inch, 
four layer printed circuit board
27.89
57.91
50.66
°C/W
Θ
JC
Thermal Resistance (Junction 
to Case)
14.74
36.73
17.17
°C/W
AC Test Loads and Waveforms
The AC test loads and waveform diagram follows.
90%
10%
3.0V
GND
90%
10%
ALL INPUT PULSES
* CAPACITIVE LOAD CONSISTS
OF ALL COMPONENTS OF THE
TEST ENVIRONMENT
Rise Time: 1 V/ns
Fall Time: 1 V/ns
30 pF*
OUTPUT
Z = 50
Ω
50
Ω
1.5V
(b)
(a)
3.3V
OUTPUT
5 pF
(c)
R 317
Ω
R2
351
Ω
 High-Z Characteristics
10 ns device
Notes
6. Tested initially and after any design or process changes that may affect these parameters.
7. AC characteristics (except High-Z) are tested using the load conditions shown in 
 (a). High-Z characteristics are tested for all speeds 
using the test load shown in (c).