參數(shù)資料
型號(hào): CY7C1518AV18-278BZXC
廠商: CYPRESS SEMICONDUCTOR CORP
元件分類: DRAM
英文描述: 72-Mbit DDR-II SRAM 2-Word Burst Architecture
中文描述: 4M X 18 DDR SRAM, 0.45 ns, PBGA165
封裝: 15 X 17 MM, 1.40 MM HEIGHT, LEAD FREE, MO-216, FBGA-165
文件頁(yè)數(shù): 21/28頁(yè)
文件大?。?/td> 1133K
代理商: CY7C1518AV18-278BZXC
PRELIMINARY
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Document #: 001-06982 Rev. *B
Page 21 of 28
Capacitance
[21]
Parameter
Description
Test Conditions
T
A
= 25
°
C, f = 1 MHz,
V
DD
= 1.8V
V
DDQ
= 1.5V
Max.
5.5
8.5
6
Unit
pF
pF
pF
C
IN
C
CLK
C
O
Input Capacitance
Clock Input Capacitance
Output Capacitance
Thermal Resistance
[21]
Parameter
Θ
JA
Description
Test Conditions
165 FBGA Package
16.2
Unit
°
C/W
Thermal Resistance
(Junction to Ambient)
Thermal Resistance
(Junction to Case)
Test conditions follow standard test methods and
procedures for measuring thermal impedance,
per EIA / JESD51.
Θ
JC
2.3
°
C/W
AC Test Loads and Waveforms
Note:
22.Unless otherwise noted, test conditions assume signal transition time of 2V/ns, timing reference levels of 0.75V, V
= 0.75V, RQ = 250
, 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.
1.25V
0.25V
R = 50
5 pF
INCLUDING
JIG AND
SCOPE
ALL INPUT PULSES
Device
Under
Test
R
L
= 50
Z
0
= 50
V
REF
= 0.75V
V
REF
= 0.75V
[22]
0.75V
0.75V
Device
Under
Test
OUTPUT
0.75V
V
REF
V
REF
OUTPUT
ZQ
ZQ
(a)
Slew Rate = 2 V/ns
RQ =
250
(b)
RQ =
250
[+] Feedback
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CY7C1518AV18-278BZXI 72-Mbit DDR-II SRAM 2-Word Burst Architecture
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