参数资料
型号: IDT7005S15J8
厂商: IDT, Integrated Device Technology Inc
文件页数: 15/21页
文件大小: 0K
描述: IC SRAM 64KBIT 15NS 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: 64K (8K x 8)
速度: 15ns
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: 7005S15J8
IDT7005S/L
High-Speed 8K x 8 Dual-Port Static RAM
Waveform of Interrupt Timing (1)
t WC
Military, Industrial and Commercial Temperature Ranges
ADDR "A"
t AS (3)
INTERRUPT SET ADDRESS (2)
t WR (4)
CE "A"
R/ W "A"
t INS (3)
INT "B"
2738 drw 17
t RC
ADDR "B"
INTERRUPT CLEAR ADDRESS (2)
t AS (3)
CE "B"
OE "B"
t INR (3)
INT "B"
2738 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 port “A”.
2. See Interrupt Truth Table III.
3. Timing depends on which enable signal ( CE or R/ W ) asserted last.
4. Timing depends on which enable signal ( CE or R/ W ) is de-asserted first.
Truth Table III — Interrupt Flag (1,4)
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 12L -A 0L
1FFF
X
X
1FFE
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 12R -A 0R
X
1FFF
1FFE
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
2738 tbl 17
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.
4. INT R and INT L must be initialized at power-up.
15
6.42
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