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参数资料
| 型号： | IDT7008S20J8 |
| 厂商： | IDT, Integrated Device Technology Inc |
| 文件页数： | 1/19页 |
| 文件大小： | 0K |
| 描述： | IC SRAM 512KBIT 20NS 84PLCC |
| 标准包装： | 200 |
| 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： | 20ns |
| 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-LCC（J 形引线） |
| 供应商设备封装： | 84-PLCC（29.21x29.21） |
| 包装： | 带卷 (TR) |
| 其它名称： | 7008S20J8 |
HIGH-SPEED
64K x 8 DUAL-PORT
STATIC RAM
IDT7008S/L
True Dual-Ported memory cells which allow simultaneous
Features
◆
reads of the same memory location
◆
IDT7008 easily expands data bus width to 16 bits or
more using the Master/Slave select when cascading more
◆
High-speed access
than one device
– Commercial: 15/20/25/35/55ns (max.)
– Industrial: 20/55ns (max.)
– Military: 25/35/55ns (max.)
◆
◆
M/ S = V IH for BUSY output flag on Master,
M/ S = V IL for BUSY input on Slave
Interrupt Flag
◆
◆
Low-power operation
– IDT7008S
Active: 750mW (typ.)
Standby: 5mW (typ.)
– IDT7008L
Active: 750mW (typ.)
Standby: 1mW (typ.)
Dual chip enables allow for depth expansion without
external logic
◆
◆
◆
◆
◆
◆
◆
On-chip port arbitration logic
Full on-chip hardware support of semaphore signaling
between ports
Fully asynchronous operation from either port
TTL-compatible, single 5V (±10%) power supply
Available in 84-pin PGA, 84-pin PLCC, and a 100-pin TQFP
Industrial temperature range (–40°C to +85°C) is available
for selected speeds
Green parts available, see ordering information
Functional Block Diagram
R/ W L
CE 0L
CE 1L
OE L
R/ W R
CE 0R
CE 1R
OE R
BUSY L
BUSY R
I/O 0-7L
(1,2)
I/O
Control
I/O
Control
I/O 0-7R
(1,2)
A 15L
A 0L
Address
Decoder
64Kx8
MEMORY
ARRAY
7008
Address
Decoder
A 15R
A 0R
16
16
INT L
M/ S
INT R
SEM L
(2)
CE 0L
CE 1L
OE L
R/ W L
ARBITRATION
INTERRUPT
SEMAPHORE
LOGIC
(1)
CE 0R
CE 1R
OE R
R/ W R
SEM R
(2)
3198 drw 01
NOTES:
1. BUSY is an input as a Slave (M/ S = V IL ) and an output when it is a Master (M/ S = V IH ).
2. BUSY and INT are non-tri-state totem-pole outputs (push-pull).
?2008 Integrated Device Technology, Inc.
1
OCTOBER 2008
DSC 3198/9
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相关代理商/技术参数 |
参数描述 |
|---|---|
| IDT7008S20JB | 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 |
| IDT7008S20JI | 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 |
| IDT7008S20PF | 功能描述:IC SRAM 512KBIT 20NS 100TQFP 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 |
| IDT7008S20PF8 | 功能描述:IC SRAM 512KBIT 20NS 100TQFP 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 |
| IDT7008S20PFB | 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 |
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