参数资料
型号: IDT7016S20J8
厂商: IDT, Integrated Device Technology Inc
文件页数: 15/20页
文件大小: 0K
描述: IC SRAM 144KBIT 20NS 68PLCC
标准包装: 250
格式 - 存储器: RAM
存储器类型: SRAM - 双端口,异步
存储容量: 144K(16K x 9)
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: 68-LCC(J 形引线)
供应商设备封装: 68-PLCC(24x24)
包装: 带卷 (TR)
其它名称: 7016S20J8
IDT7016S/L
Waveform of Interrupt Timing
High-Speed  16K  x  9  Dual-Port  Static  RAM
(1)
t WC
Military, Industrial and Commercial Temperature Ranges
ADDR "A"
INTERRUPT SET ADDRESS
(2)
t AS
(3)
t WR
(4)
CE "A"
R/ W "A"
t INS
(3)
INT "B"
3190 drw 17
t RC
ADDR "B"
CE "B"
OE "B"
t AS
(3)
t INR
(3)
INTERRUPT CLEAR ADDRESS
(2)
INT "B"
3190 drw 18
NOTES:
1. All timing is the same for left and right ports. Port “A” may be either the left or right port. Port “B” is the port opposite from “A”.
2. See Interrupt truth table.
3. Timing depends on which enable signal ( CE or R/ W ) is asserted last.
4. Timing depends on which enable signal ( CE or R/ W ) is de-asserted first.
Truth Table III — Interrupt Flag (1)
Left Port
Right Port
L
H
L
H
R/ W L
L
X
X
X
CE L
L
X
X
L
OE L
X
X
X
L
A 13L -A 0L
3FFF
X
X
3FFE
INT L
X
X
(3)
(2)
R/ W R
X
X
L
X
CE R
X
L
L
X
OE R
X
L
X
X
A 13R -A 0R
X
3FFF
3FFE
X
INT R
(2)
(3)
X
X
Function
Set Right INT R Flag
Reset Right INT R Flag
Set Left INT L Flag
Reset Left INT L Flag
3190 tbl 16
NOTES:
1. Assumes BUSY L = BUSY R = V IH .
2. If BUSY L = V IL , then no change.
3. If BUSY R = V IL , then no change.
15
6.42
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