参数资料
型号: IDT70T3719MS166BBGI
厂商: Integrated Device Technology, Inc.
英文描述: HIGH-SPEED 2.5V 256/128K x 72 SYNCHRONOUS DUAL-PORT STATIC RAM WITH 3.3V OR 2.5V INTERFACE
中文描述: 高速与3.3V 2.5V的256/128K × 72 SYNCHRONOU S双,端口静态RAM或2.5V的接口
文件页数: 18/25页
文件大小: 316K
代理商: IDT70T3719MS166BBGI
6.42
IDT70T3719/99M
High-Speed 2.5V 256/128K x 72 Dual-Port Synchronous Static RAM Industrial and Commercial Temperature Ranges
Advanced
18
Truth Table III — Interrupt Flag
(1)
Left Port
Right Port
Function
CLK
L
R/
W
L
CE
L
A
17L
-A
0L
(3,4)
INT
L
CLK
R
R/
W
R
(2)
CE
R
(2)
A
17R
-A
0R
(3,4)
INT
R
L
L
3FFFF
X
X
X
X
L
Set Right
INT
R
Flag
X
X
X
X
X
L
3FFFF
H
Reset Right
INT
R
Flag
X
X
X
L
L
L
3FFFE
X
Set Left
INT
L
Flag
H
L
3FFFE
H
X
X
X
X
Reset Left
INT
L
Flag
5687 tbl 13
NOTES:
1.
INT
L
and
INT
R
must be initialized at power-up by Resetting the flags.
2.
CE
0 =
V
IL
and
CE
1 =
V
IH
.
R/
W
and CE
are synchronous with respect to the clock and need valid set-up and hold times.
3. A17
X
is a NC for IDT70T3799, therefore Interrupt Addresses are 1FFFF and 1FFFE.
4. Address is for internal register, not the external bus, i.e., address needs to be qualified by one of the Address counter control signals.
Waveform of Interrupt T iming
(2)
NOTES:
1.
CE
0 =
V
IL
and
CE
1 =
V
IH
2. All timng is the same for Left and Right ports.
3. Address is for internal register, not the external bus, i.e., address needs to be qualified by one of the Address counter control signals.
t
SW
t
HW
3FFFF
CLK
R
CE
R
(1)
ADDRESS
R
(3)
t
SA
t
HA
3FFFF
t
SC
t
HC
t
INR
CLK
L
R/
W
L
ADDRESS
L
(3)
CE
L
(1)
t
SA
t
HA
t
SC
t
HC
5687 drw 19
INT
R
t
INS
R/
W
R
t
SW
t
HW
相关PDF资料
PDF描述
IDT70T3799M HIGH-SPEED 2.5V 256/128K x 72 SYNCHRONOUS DUAL-PORT STATIC RAM WITH 3.3V OR 2.5V INTERFACE
IDT70T3799MS133BBG HIGH-SPEED 2.5V 256/128K x 72 SYNCHRONOUS DUAL-PORT STATIC RAM WITH 3.3V OR 2.5V INTERFACE
IDT70T3799MS133BBGI HIGH-SPEED 2.5V 256/128K x 72 SYNCHRONOUS DUAL-PORT STATIC RAM WITH 3.3V OR 2.5V INTERFACE
IDT70T3799MS166BBG HIGH-SPEED 2.5V 256/128K x 72 SYNCHRONOUS DUAL-PORT STATIC RAM WITH 3.3V OR 2.5V INTERFACE
IDT70T3799MS166BBGI HIGH-SPEED 2.5V 256/128K x 72 SYNCHRONOUS DUAL-PORT STATIC RAM WITH 3.3V OR 2.5V INTERFACE
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