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參數資料
| 型號： | 70P249L65BYGI |
| 廠商： | INTEGRATED DEVICE TECHNOLOGY INC |
| 元件分類： | SRAM |
| 英文描述： | 4K X 16 DUAL-PORT SRAM, 40 ns, PBGA100 |
| 封裝： | 0.50 MM PITCH, GREEN, BGA-100 |
| 文件頁數： | 1/22頁 |
| 文件大小： | 146K |
| 代理商： | 70P249L65BYGI |
1
2008 Integrated Device Technology, Inc.
OCTOBER 2008
DSC-7146/1
I/O15L – I/O8L
I/O7L – I/O0L
ADVL
UBL
LBL
MSELL
A13L – A0L
SFEN#
IRR1 – IRR0
(2)
ODR4 – ODR0
IRR/ODR
Mux’ed
Address /
Data
I/O Control
Memory Array
16K/8K/4K x 16
CSL
OEL
WEL
BUSYL
INTL
Control Logic
CSR
OER
WER
BUSYR
INTR
Address
Decode
I/O15R – I/O8R
I/O7R – I/O0R
ADVR
UBR
LBR
Mux’ed
Address /
Data
I/O Control
MSELR
A13R – A0R
Data <15..0>
AddrR <13..0>
Address
Decode
AddrR <13..0>
7146 drw 01
IDT70P269/259/249L
VERY LOW POWER 1.8V
16K/8K/4K X 16 DUAL-PORT
STATIC RAM
Features
◆
True Dual-Ported memory cells which allow simultaneous
reads of the same memory location
◆
Both ports configurable to standard SRAM or time-
multiplexed address/data interface
◆
High-speed access
– Industrial: 65ns (max.), ADM mode
– Industrial: 40ns (max.), Standard SRAM mode
◆
Low-power operation
IDT70P269/259/249L
Active: 27mW (typ.)
Standby: 3.6
W (typ.)
◆
Supports 3.0V, 2.5V and 1.8V I/O's
◆
Power supply isolation functionality to aid system power
management
◆
Separate upper-byte and lower-byte control
◆
Input Read Register
◆
Output Drive Register
◆
BUSY and Interrupt Flag
◆
On-chip port arbitration logic
◆
Fully asynchronous operation from either port
◆
Available in 100 Ball 0.5mm-pitch BGA
◆
Industrial temperature range (-40°C to +85°C)
◆
Green parts available, see ordering information
Functional Block Diagram
NOTES:
1. A13 - A0 for IDT70P269; A12 - A0 for IDT70P259; A11 - A0 for IDT70P249.
2. IRR0 and IRR1 are not available for IDT70P269.
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| 70P249L65BYGI8 | 功能描述:靜態隨機存取存儲器 Low Power Dual-Port RAM IC RoHS:否 制造商:IDT 存儲容量: 組織: 訪問時間: 電源電壓-最大: 電源電壓-最小: 最大工作電流: 最大工作溫度: 最小工作溫度: 安裝風格: 封裝 / 箱體: 封裝: |
| 70P249L90BYGI | 功能描述:IC SRAM 64KBIT 90NS 100FBGA 制造商:idt, integrated device technology inc 系列:- 包裝:托盤 零件狀態:過期 格式 - 存儲器:RAM 存儲器類型:SRAM - 雙端口，異步 存儲容量:64K（4K x 16） 速度:90ns 接口:并聯 電壓 - 電源:1.7 V ~ 1.9 V 工作溫度:-40°C ~ 85°C（TA） 封裝/外殼:100-TFBGA 供應商器件封裝:100-CABGA（6x6） 標準包裝:90 |
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| 70P24L20BF8 | 制造商:Integrated Device Technology Inc 功能描述:SRAM ASYNC DUAL 1.8V 64KBIT 4K X 16 20NS 100BGA - Tape and Reel |
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