Cypress Semiconductor CY7C1223H Hoja de especificaciones - Página 9

Navegue en línea o descargue pdf Hoja de especificaciones para Hardware informático Cypress Semiconductor CY7C1223H. Cypress Semiconductor CY7C1223H 17 páginas. Cypress 2-mbit (128k x 18) pipelined dcd sync sram specification sheet

[9]
Capacitance
Parameter
C
IN
C
CLK
C
I/O
Thermal Characteristics
Parameter
Θ
Thermal Resistance
JA
(Junction to Ambient)
Θ
Thermal Resistance
JC
(Junction to case)
AC Test Loads and Waveforms
3.3V I/O Test Load
OUTPUT
Z
= 50Ω
0
V
T
(a)
2.5V I/O Test Load
OUTPUT
Z
= 50Ω
0
V
= 1.25V
T
(a)
Note:
9. Tested initially and after any design or process change that may affect these parameters.
Document #: 38-05674 Rev. *B
Description
Input Capacitance
Clock Input Capacitance
Input/Output Capacitance
[9]
Description
3.3V
OUTPUT
R
= 50Ω
L
5 pF
= 1.5V
INCLUDING
JIG AND
SCOPE
2.5V
OUTPUT
R
= 50Ω
L
5 pF
INCLUDING
JIG AND
SCOPE
Test Conditions
T
= 25°C, f = 1 MHz,
A
V
= 3.3V
DD
V
= 2.5V
DDQ
Test Conditions
Test conditions follow standard
test methods and procedures for
measuring thermal impedance,
per EIA/JESD51
R = 317Ω
V
DDQ
GND
R = 351Ω
≤ 1 ns
(b)
R = 1667Ω
V
DDQ
10%
GND
R =1538Ω
≤ 1 ns
(b)
CY7C1223H
100 TQFP
Max.
5
5
5
100 TQFP
Package
30.32
6.85
ALL INPUT PULSES
90%
90%
10%
(c)
ALL INPUT PULSES
90%
90%
10%
(c)
Page 9 of 16
Unit
pF
pF
pF
Unit
°C/W
°C/W
10%
≤1 ns
≤ 1 ns
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