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參數(shù)資料
| 型號： | CY7C024-25JCT |
| 英文描述： | x16 Dual-Port SRAM |
| 中文描述： | x16雙端口SRAM |
| 文件頁數(shù)： | 19/20頁 |
| 文件大?。?/td> | 301K |
| 代理商： | CY7C024-25JCT |
CY7C138AV/144AV/006AV
CY7C139AV/145AV/016AV
CY7C007AV/017AV
Document #: 38-06051 Rev. *A
Page 8 of 20
Data Retention Mode
The CY7C0138AV/144AV/006AV/007AV and CY7C139AV/
145AV/016AV/017AV are designed with battery backup in
mind. Data retention voltage and supply current are guaran-
teed over temperature. The following rules ensure data reten-
tion:
1. Chip enable (CE) must be held HIGH during data retention, with-
in VCC to VCC – 0.2V.
2. CE must be kept between VCC – 0.2V and 70% of VCC
during the power-up and power-down transitions.
3. The RAM can begin operation >tRC after VCC reaches the
minimum operating voltage (3.0 volts).
Notes:
22. tBDD is a calculated parameter and is the greater of tWDD–tPWE (actual) or tDDD–tSD (actual).
23. CE = VCC, Vin = GND to VCC, TA = 25°C. This parameter is guaranteed but not tested.
tWB
R/W HIGH after BUSY (Slave)
0
ns
tWH
R/W HIGH after BUSY HIGH (Slave)
15
17
ns
tBDD
[22]
BUSY HIGH to Data Valid
20
25
ns
INTERRUPT TIMING[21]
tINS
INT Set Time
20
ns
tINR
INT Reset Time
20
ns
SEMAPHORE TIMING
tSOP
SEM Flag Update Pulse (OE or SEM)
10
12
ns
tSWRD
SEM Flag Write to Read Time
5
ns
tSPS
SEM Flag Contention Window
5
ns
tSAA
SEM Address Access Time
20
25
ns
Switching Characteristics Over the Operating Range[15] (continued)
Parameter
Description
CY7C138AV/144AV/006AV
CY7C139AV/145AV/016AV
CY7C007AV/017AV
Unit
-20
-25
Min.
Max.
Min.
Max.
Timing
Parameter
Test Conditions[23]
Max.
Unit
ICCDR1
@ VCCDR = 2V
50
A
Data Retention Mode
3.0V
VCC > 2.0V
VCC to VCC – 0.2V
VCC
CE
tRC
V
IH
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| CY7C024-25JI | 制造商:CYPRESS 制造商全稱:Cypress Semiconductor 功能描述:4K x 16/18 and 8K x 16/18 Dual-Port Static RAM with SEM, INT, BUSY |
| CY7C024-25JXC | 功能描述:IC SRAM 64KBIT 25NS 84PLCC RoHS:是 類別:集成電路 (IC) >> 存儲器 系列:- 標準包裝:1,000 系列:- 格式 - 存儲器:RAM 存儲器類型:移動 SDRAM 存儲容量:256M（8Mx32） 速度:133MHz 接口:并聯(lián) 電源電壓:1.7 V ~ 1.95 V 工作溫度:-40°C ~ 85°C 封裝/外殼:90-VFBGA 供應商設備封裝:90-VFBGA（8x13） 包裝:帶卷 (TR) 其它名稱:557-1327-2 |
| CY7C024-25JXCT | 功能描述:IC SRAM 64KBIT 25NS 84PLCC RoHS:是 類別:集成電路 (IC) >> 存儲器 系列:- 標準包裝:1,000 系列:- 格式 - 存儲器:RAM 存儲器類型:移動 SDRAM 存儲容量:256M（8Mx32） 速度:133MHz 接口:并聯(lián) 電源電壓:1.7 V ~ 1.95 V 工作溫度:-40°C ~ 85°C 封裝/外殼:90-VFBGA 供應商設備封裝:90-VFBGA（8x13） 包裝:帶卷 (TR) 其它名稱:557-1327-2 |
| CY7C024-25JXI | 功能描述:靜態(tài)隨機存取存儲器 4Kx16 DUAL PORT 靜態(tài)隨機存取存儲器 W/SEM INT BUSY 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 |
| CY7C024-35AC | 制造商:Cypress Semiconductor 功能描述:SRAM Chip Async Dual 5V 64K-Bit 4K x 16 35ns 100-Pin TQFP |
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