CY7C1541V18 Datasheet, PDF (21/28 Pages) Cypress Semiconductor – 72-Mbit QDR™-II+ SRAM 4-Word Burst Architecture (2.0 Cycle Read Latency)

CY7C1541V18
CY7C1556V18
CY7C1543V18
CY7C1545V18
Electrical Characteristics (continued)
DC Electrical Characteristics
Over the Operating Range^[15]
Parameter
Description
Test Conditions
Min
Typ
Max
Unit
I_SB1 (x36) Automatic Power down
Current
Max V_DD,
300 MHz
Both Ports Deselected,
V_IN ≥ V_IH or V_IN ≤ V_IL
f = f_MAX = 1/t_CYC, Inputs Static
333 MHz
375 MHz
385
mA
395
410
AC Electrical Characteristics
Over the Operating Range^[14]
Parameter
Description
V_IH
Input HIGH Voltage
V_IL
Input LOW Voltage
Test Conditions
Min
V_REF + 0.2
–0.24
Typ
Max
Unit
– V_DDQ + 0.24 V
–
V_REF – 0.2
V
Capacitance
Tested initially and after any design or process change that may affect these parameters.
Parameter
Description
Test Conditions
Max
Unit
C_IN
Input Capacitance
T_A = 25°C, f = 1 MHz, V_DD = 1.8V, V_DDQ = 1.5V
5
pF
C_CLK
Clock Input Capacitance
6
pF
C_O
Output Capacitance
7
pF
Thermal Resistance
Tested initially and after any design or process change that may affect these parameters.
Parameter
Description
Θ_JA
Thermal Resistance
(Junction to Ambient)
Θ_JC Thermal Resistance
(Junction to Case)
Test Conditions
Test conditions follow standard test methods and
procedures for measuring thermal impedance, per
EIA/JESD51.
165 FBGA
Package
11.82
2.33
Unit
°C/W
°C/W
AC Test Loads and Waveforms
V_REF
OUTPUT
Device
Under
Test
ZQ
(a)
0.75V
Z₀ = 50Ω
RQ =
250Ω
V_REF
R_L = 50Ω
V_REF = 0.75V
OUTPUT
Device
Under
Test ^ZQ
INCLUDING
JIG AND
SCOPE
V_REF = 0.75V
0.75V
R = 50Ω
RQ =
250Ω
(b)
5 pF ^0.25V
ALL INPUT PULSES^[22]
1.25V
0.75V
Slew Rate = 2 V/ns
Note
22. Unless otherwise noted, test conditions assume signal transition time of 2V/ns, timing reference levels of 0.75V, Vref = 0.75V, RQ = 250Ω, V_DDQ = 1.5V, input pulse
levels of 0.25V to 1.25V, and output loading of the specified I_OL/I_OH and load capacitance shown in (a) of “AC Test Loads and Waveforms” on page 21.
Document Number: 001-05389 Rev. *E
Page 21 of 28