参数资料
型号: IDT70T633S10BCI
厂商: IDT, Integrated Device Technology Inc
文件页数: 6/27页
文件大小: 0K
描述: IC SRAM 9MBIT 10NS 256BGA
标准包装: 6
格式 - 存储器: RAM
存储器类型: SRAM - 双端口,异步
存储容量: 9M(512K x 18)
速度: 10ns
接口: 并联
电源电压: 2.4 V ~ 2.6 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: 托盘
其它名称: 70T633S10BCI
IDT70T633/1S
High-Speed 2.5V 512/256K x 18 Asynchronous Dual-Port Static RAM
Industrial and Commercial Temperature Ranges
Truth Table I—Read/Write and Enable Control (1)
Upper Byte
Lower Byte
OE
X
X
X
X
X
X
L
L
L
H
X
SEM
H
H
H
H
H
H
H
H
H
H
X
CE 0
H
X
L
L
L
L
L
L
L
L
X
CE 1
X
L
H
H
H
H
H
H
H
H
X
UB
X
X
H
H
L
L
H
L
L
L
X
LB
X
X
H
L
H
L
L
H
L
L
X
R/ W
X
X
X
L
L
L
H
H
H
X
X
ZZ
L
L
L
L
L
L
L
L
L
L
H
I/O 9-17
High-Z
High-Z
High-Z
High-Z
D IN
D IN
High-Z
D OUT
D OUT
High-Z
High-Z
I/O 0-8
High-Z
High-Z
High-Z
D IN
High-Z
D IN
D OUT
High-Z
D OUT
High-Z
High-Z
MODE
Deselected –Power Down
Deselected –Power Down
Both Bytes Deselected
Write to Lower Byte
Write to Upper Byte
Write to Both Bytes
Read Lower Byte
Read Upper Byte
Read Both Bytes
Outputs Disabled
High-Z Sleep Mode
5670 tbl 02
NOTE:
1. "H" = V IH, "L" = V IL, "X" = Don't Care.
Truth Table II – Semaphore Read/Write Control (1)
Inputs (1)
Outputs
CE (2)
H
H
L
R/ W
H
X
OE
L
X
X
UB
L
X
X
LB
L
L
X
SEM
L
L
L
I/O 1-17
DATA OUT
X
______
I/O 0
DATA OUT
DATA IN
______
Mode
Read Data in Semaphore Flag (3)
Write I/O 0 into Semaphore Flag
Not Allowed
NOTES:
1. There are eight semaphore flags written to I/O 0 and read from all the I/Os (I/O 0 -I/O 17 ). These eight semaphore flags are addressed by A 0 -A 2 .
2. CE = L occurs when CE 0 = V IL and CE 1 = V IH . CE = H when CE 0 = V IH and/or CE 1 = V IL .
3. Each byte is controlled by the respective UB and LB . To read data UB and/or LB = V IL .
6
5670 tbl 03
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