Cypress Semiconductor CY7C1332AV25 Scheda tecnica - Pagina 14

Sfoglia online o scarica il pdf Scheda tecnica per Hardware del computer Cypress Semiconductor CY7C1332AV25. Cypress Semiconductor CY7C1332AV25 19. Cypress 18-mbit (512k x 36/1mbit x 18) pipelined register-register late write specification sheet

[17]
Capacitance
Parameter
C
Input Capacitance
IN
C
Clock Input Capacitance
CLK
C
Input/Output Capacitance
I/O
[17]
Thermal Resistance
Parameter
Description
Θ
Thermal Resistance
JA
(Junction to Ambient)
Θ
Thermal Resistance
JC
(Junction to Case)
AC Test Loads and Waveforms
0.75V
V
REF
OUTPUT
Z
= 50Ω
0
Device
Under
Test
ZQ
RQ =
250Ω
(a)
Notes:
17. Tested initially and after any design or process change that may affect these parameters.
18. Unless otherwise noted, test conditions assume signal transition time of 2 V/ns, timing reference levels of 0.75V, V
pulse levels of 0.25V to 1.25V, and output loading of the specified I
Document No: 001-07844 Rev. *A
PRELIMINARY
Description
Still Air, soldered on a 4.25 x 1.125 inch, 4-layer printed
circuit board
V
0.75V
REF
OUTPUT
R
= 50Ω
L
Device
Under
V
= 0.75V
ZQ
REF
Test
/I
OL
OH
Test Conditions
T
= 25°C, f = 1 MHz,
A
V
= 2.5V
DD
V
= 1.5V
DDQ
Test Conditions
V
= 0.75V
REF
R = 50Ω
0.25V
5 pF
RQ =
250Ω
(b)
and load capacitance shown in (a) of AC Test Loads.
CY7C1330AV25
CY7C1332AV25
Max.
Unit
5
6
7
BGA Typ.
19.7
6.0
[18]
ALL INPUT PULSES
1.25V
0.75V
Slew Rate = 2 V/ns
= 0.75V, RQ = 250Ω, V
= 1.5V, input
REF
DDQ
Page 14 of 19
pF
pF
pF
Unit
°C/W
°C/W
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