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參數(shù)資料
| 型號： | CY62147EV30LL-55ZSXE |
| 廠商： | CYPRESS SEMICONDUCTOR CORP |
| 元件分類： | DRAM |
| 英文描述： | 4-Mbit (256K x 16) Static RAM |
| 中文描述： | 256K X 16 STANDARD SRAM, 55 ns, PDSO44 |
| 封裝： | LEAD FREE, TSOP2-44 |
| 文件頁數(shù)： | 4/12頁 |
| 文件大小： | 517K |
| 代理商： | CY62147EV30LL-55ZSXE |
CY62147EV30 MoBL
Document #: 38-05440 Rev. *E
Page 4 of 12
Thermal Resistance
[9]
Parameter
Description
Test Conditions
VFBGA
Package
75
TSOP II
Package
77
Unit
Θ
JA
Thermal Resistance
(Junction to Ambient)
Thermal Resistance
(Junction to Case)
Still Air, soldered on a 3 × 4.5 inch, two-layer
printed circuit board
°
C/W
Θ
JC
10
13
°
C/W
AC Test Loads and Waveforms
Figure 1. AC Test Load and Waveforms
Parameters
R1
R2
R
TH
V
TH
2.50V
16667
15385
8000
1.20
3.0V
1103
1554
645
1.75
Unit
V
Data Retention Characteristics
Over the Operating Range
Parameter
Description
Conditions
Min
Typ
[2]
Max Unit
V
DR
I
CCDR[8]
V
CC
for Data Retention
1.5
V
Data Retention Current
V
CC
= 1.5V, CE > V
CC
– 0.2V,
V
IN
> V
CC
– 0.2V or V
IN
< 0.2V
Ind’l/Auto-A
0.8
7
μ
A
Auto-E
12
t
CDR [9]
t
R [10]
Chip Deselect to Data Retention Time
0
ns
Operation Recovery Time
t
RC
ns
Data Retention Waveform
[11]
Figure 2. Data Retention Waveform
V
CC
V
CC
OUTPUT
R2
30 pF
INCLUDING
JIG AND
SCOPE
GND
90%
10%
90%
10%
Rise Time = 1 V/ns
Fall Time = 1 V/ns
OUTPUT
V
ALL INPUT PULSES
R
TH
R1
Equivalent to: THEVENIN EQUIVALENT
V
CC(min)
t
R
V
CC(min)
t
CDR
V
DR
> 1.5V
DATA RETENTION MODE
V
CC
CE or
BHE.BLE
Notes
10.Full device operation requires linear V
ramp from V
to V
> 100
μ
s or stable at V
> 100
μ
s.
11. BHE.BLE is the AND of both BHE and BLE. Deselect the chip by either disabling the chip enable signals or by disabling both BHE and BLE.
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| CY62147EV30LL-55ZSXET | 功能描述:靜態(tài)隨機存取存儲器 4M MoBL Ultra Lo PWR HI SPD MicroPWR RoHS:否 制造商:Cypress Semiconductor 存儲容量:16 Mbit 組織:1 M x 16 訪問時間:55 ns 電源電壓-最大:3.6 V 電源電壓-最小:2.2 V 最大工作電流:22 uA 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 安裝風格:SMD/SMT 封裝 / 箱體:TSOP-48 封裝:Tray |
| CY62147LL-70BAI | 制造商:Cypress Semiconductor 功能描述: |
| CY62147V | 制造商:CYPRESS 制造商全稱:Cypress Semiconductor 功能描述:4M (256K x 16) Static RAM |
| CY62147V18-85BAI | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:x16 SRAM |
| CY62147V18LL-70BAI | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:x16 SRAM |
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