Capacitance[10]
Parameter
CIN
CCLK
CI/O
Description
Input Capacitance
Clock Input Capacitance
Input/Output Capacitance
Test Conditions
TA = 25°C, f = 1 MHz,
VDD = 3.3V.
VDDQ = 3.3V
CY7C1352
Max.
4
4
4
Unit
pF
pF
pF
AC Test Loads and Waveforms
OUTPUT
Z0 =50Ω
3.3V
OUTPUT
RL =50Ω
5 pF
VL = 1.5V
(a)
INCLUDING
JIG AND
SCOPE
R=317Ω
R=351Ω GND
(b)
1352-2
[11]
ALL INPUT PULSES
3.0V
Thermal Resistance
Description
Test Conditions
Symbol
TQFP Typ. Units Notes
Thermal Resistance
Still Air, soldered on a 4.25 x 1.125 inch,
ΘJA
(Junction to Ambient) 4-layer printed circuit board
28
°C/W
10
Thermal Resistance
(Junction to Case)
ΘJC
4
°C/W
10
Note:
10. Tested initially and after any design or process change that may affect these parameters.
11. A/C test conditions assume signal transition time of 2 ns or less, timing reference levels of 1.5V, input pulse levels of 0 to 3.0V, and output loading shown in
(a) of AC Test Loads and Waveforms.
7