参数资料
型号: IDT7008L25G
厂商: IDT, Integrated Device Technology Inc
文件页数: 5/19页
文件大小: 0K
描述: IC SRAM 512KBIT 25NS 84PGA
标准包装: 3
格式 - 存储器: RAM
存储器类型: SRAM - 双端口,异步
存储容量: 512K (64K x 8)
速度: 25ns
接口: 并联
电源电压: 4.5 V ~ 5.5 V
工作温度: 0°C ~ 70°C
封装/外壳: 84-BPGA
供应商设备封装: 84-PGA(27.94x27.94)
包装: 托盘
其它名称: 7008L25G
IDT7008S/L
High-Speed 64K x 8 Dual-Port Static RAM
Truth Table I: Chip Enable (1)
Military, Industrial and Commercial Temperature Ranges
CE
L
H
CE 0
V IL
< 0.2V
V IH
X
>V CC -0.2V
X
CE 1
V IH
>V CC -0.2V
X
V IL
X
<0.2V
Port Selected (TTL Active)
Port Selected (CMOS Active)
Port Deselected (TTL Inactive)
Port Deselected (TTL Inactive)
Port Deselected (CMOS Inactive)
Port Deselected (CMOS Inactive)
Mode
3198 tbl 02
NOTES:
1. Chip Enable references are shown above with the actual CE 0 and CE 1 levels, CE is a reference only.
Truth Table II: Non-Contention Read/Write Control
Inputs (1)
Outputs
CE
(2)
H
L
L
X
R/ W
X
L
H
X
OE
X
X
L
H
SEM
H
H
H
X
I/O 0-7
High-Z
DATA IN
DATA OUT
High-Z
Deselected: Power-Down
Write to memory
Read memory
Outputs Disabled
Mode
NOTES:
1. A 0L – A 15L ≠ A 0R – A 15R.
2. Refer to Chip Enable Truth Table.
Truth Table III: Semaphore Read/Write Control (1)
3198 tbl 03
Inputs
Outputs
CE (2)
H
H
L
R/ W
H
X
OE
L
X
X
SEM
L
L
L
I/O 0-7
DATA OUT
DATA IN
______
Read Semaphore Flag Data Out
Write I/O 0 into Semaphore Flag
Not Allowed
Mode
NOTES:
1. There are eight semaphore flags written to via I/O 0 and read from all the I/Os (I/O 0 -I/O 7 ). These eight semaphore flags are addressed by A 0 -A 2 .
2. Refer to Chip Enable Truth Table.
5
6.42
3198 tbl 04
相关PDF资料
PDF描述
IDT7009L20PFI IC SRAM 1MBIT 20NS 100TQFP
IDT70125L25JG IC SRAM 18KBIT 25NS 52PLCC
IDT7014S12JG IC SRAM 36KBIT 12NS 52PLCC
IDT7015L35G IC SRAM 72KBIT 35NS 68PGA
IDT7016L35G IC SRAM 144KBIT 35NS 68PGA
相关代理商/技术参数
参数描述
IDT7008L25GB 制造商:IDT 制造商全称:Integrated Device Technology 功能描述:HIGH-SPEED 64K x 8 DUAL-PORT STATIC RAM
IDT7008L25GI 制造商:IDT 制造商全称:Integrated Device Technology 功能描述:HIGH-SPEED 64K x 8 DUAL-PORT STATIC RAM
IDT7008L25J 功能描述:IC SRAM 512KBIT 25NS 84PLCC RoHS:否 类别:集成电路 (IC) >> 存储器 系列:- 标准包装:1,000 系列:- 格式 - 存储器:RAM 存储器类型:SRAM - 双端口,同步 存储容量:1.125M(32K x 36) 速度:5ns 接口:并联 电源电压:3.15 V ~ 3.45 V 工作温度:-40°C ~ 85°C 封装/外壳:256-LBGA 供应商设备封装:256-CABGA(17x17) 包装:带卷 (TR) 其它名称:70V3579S5BCI8
IDT7008L25J8 功能描述:IC SRAM 512KBIT 25NS 84PLCC RoHS:否 类别:集成电路 (IC) >> 存储器 系列:- 标准包装:1,000 系列:- 格式 - 存储器:RAM 存储器类型:SRAM - 双端口,同步 存储容量:1.125M(32K x 36) 速度:5ns 接口:并联 电源电压:3.15 V ~ 3.45 V 工作温度:-40°C ~ 85°C 封装/外壳:256-LBGA 供应商设备封装:256-CABGA(17x17) 包装:带卷 (TR) 其它名称:70V3579S5BCI8
IDT7008L25JB 制造商:IDT 制造商全称:Integrated Device Technology 功能描述:HIGH-SPEED 64K x 8 DUAL-PORT STATIC RAM