CY7C1355C-100AC CYPRESS [Cypress Semiconductor], CY7C1355C-100AC Datasheet - Page 24

• Manufacturer Part Number: CY7C1355C-100AC
• Description: 9-Mbit (256K x 36/512K x 18) Flow-Through SRAM with NoBL Architecture
• Manufacturer: CYPRESS [Cypress Semiconductor]

Document #: 38-05539 Rev. **
AC Test Loads and Waveforms
Notes:
Thermal Resistance
Capacitance
19. Tested initially and after any design or process change that may affect these parameters.
C
C
C
IN
CLK
I/O
OUTPUT
OUTPUT
Parameter
Parameter
3.3V I/O Test Load
2.5V I/O Test Load
Θ
Θ
JA
JC
Z
Z
[19]
Thermal Resistance
(Junction to Ambient)
Thermal Resistance
(Junction to Case)
0
0
= 50Ω
= 50Ω
Input Capacitance
Clock Input Capacitance
Input/Output Capacitance
Description
(a)
(a)
V
V
[19]
T
Description
T
= 1.25V
= 1.5V
R
R
L
L
= 50Ω
= 50Ω
OUTPUT
OUTPUT
3.3V
2.5V
Test conditions follow standard
test methods and procedures
for measuring thermal
impedance, per EIA / JESD51.
INCLUDING
INCLUDING
T
V
V
JIG AND
JIG AND
SCOPE
SCOPE
A
DD
DDQ
PRELIMINARY
Test Conditions
5 pF
5 pF
= 25°C, f = 1 MHz,
= 3.3V.
Test Conditions
= 2.5V
(b)
(b)
R = 317Ω
R = 1667Ω
R = 351Ω
R =1538Ω
V
Package
Package
GND
GND
V
DDQ
TQFP
DDQ
TQFP
25
9
≤ 1 ns
≤ 1 ns
5
5
5
10%
10%
Package
Package
ALL INPUT PULSES
ALL INPUT PULSES
BGA
BGA
5
5
7
25
6
90%
90%
(c)
(c)
Package
CY7C1355C
CY7C1357C
Package
fBGA
fBGA
5
5
7
27
6
Page 24 of 33
90%
90%
10%
10%
≤ 1 ns
≤ 1 ns
°C/W
°C/W
Unit
Unit
pF
pF
pF