参数资料
型号: IDT709379L7PFG
厂商: IDT, Integrated Device Technology Inc
文件页数: 7/16页
文件大小: 0K
描述: IC SRAM 576KBIT 7NS 100TQFP
标准包装: 6
格式 - 存储器: RAM
存储器类型: SRAM - 双端口,同步
存储容量: 576K(32K x 18)
速度: 7ns
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: 100-LQFP
供应商设备封装: 100-TQFP(14x14)
包装: 托盘
IDT709379/69L
High-Speed 32/16K x 18 Synchronous Pipelined Dual-Port Static RAM
Industrial and Commercial Temperature Ranges
AC Electrical Characteristics Over the Operating Temperature Range
(Read and Write Cycle Timing) (3) (V CC = 5V ± 10%)
709379/69L6
Com'l Only
709379/69L7
Com'l Only
709379/69L9
Com'l
709379/69L12
Com'l Only
& Ind
Symbol
t CYC1
Clock Cycle Time (Flow-Through) (2)
Parameter
Min.
19
Max.
____
Min.
22
Max.
____
Min.
25
Max.
____
Min.
30
Max.
____
Unit
ns
t CYC2
Clock Cycle Time (Pipelined)
(2)
10
____
12
____
15
____
20
____
ns
t CH1
Clock High Time (Flow-Through) (2)
6.5
____
7.5
____
12
____
12
____
ns
t CL1
Clock Low Time (Flow-Through)
(2)
6.5
____
7.5
____
12
____
12
____
ns
Clock High Time (Pipelined)
Output Enable to Output Low-Z
t CH2
t CL2
t R
t F
t SA
t HA
t SC
t HC
t SB
t HB
t SW
t HW
t SD
t HD
t SAD
t HAD
t SCN
t HCN
t SRST
t HRST
t OE
t OLZ
t OHZ
(2)
Clock Low Time (Pipelined) (2)
Clock Rise Time
Clock Fall Time
Address Setup Time
Address Hold Time
Chip Enable Setup Time
Chip Enable Hold Time
Byte Enable Setup Time
Byte Enable Hold Time
R/ W Setup Time
R/ W Hold Time
Input Data Setup Time
Input Data Hold Time
ADS Setup Time
ADS Hold Time
CNTEN Setup Time
CNTEN Hold Time
CNTRST Setup Time
CNTRST Hold Time
Output Enable to Data Valid
(1)
Output Enable to Output High-Z (1)
4
4
____
____
3.5
0
3.5
0
3.5
0
3.5
0
3.5
0
3.5
0
3.5
0
3.5
0
____
2
1
____
____
3
3
____
____
____
____
____
____
____
____
____
____
____
____
____
____
____
____
6.5
____
7
5
5
____
____
4
0
4
0
4
0
4
0
4
0
4
0
4
0
4
0
____
2
1
____
____
3
3
____
____
____
____
____
____
____
____
____
____
____
____
____
____
____
____
7.5
____
7
6
6
____
____
4
1
4
1
4
1
4
1
4
1
4
1
4
1
4
1
____
2
1
____
____
3
3
____
____
____
____
____
____
____
____
____
____
____
____
____
____
____
____
9
____
7
8
8
____
____
4
1
4
1
4
1
4
1
4
1
4
1
4
1
4
1
____
2
1
____
____
3
3
____
____
____
____
____
____
____
____
____
____
____
____
____
____
____
____
12
____
7
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
Clock High to Output High-Z
t CD1
t CD2
t DC
t CKHZ
t CKLZ
Clock to Data Valid (Flow-Through)
Clock to Data Valid (Pipelined) (2)
Data Output Hold After Clock High
(1)
Clock High to Output Low-Z (1)
(2)
____
____
2
2
2
15
6.5
____
9
____
____
____
2
2
2
18
7.5
____
9
____
____
____
2
2
2
20
9
____
9
____
____
____
2
2
2
25
12
____
9
____
ns
ns
ns
ns
ns
Port-to-Port Delay
t CWDD
t CCS
Write Port Clock High to Read Data Delay
Clock-to-Clock Setup Time
____
____
24
9
____
____
28
10
____
____
35
15
____
____
40
15
ns
ns
NOTES:
4845 tbl 11
1. Transition is measured 0mV from Low or High-impedance voltage with the Output Test Load (Figure 2). This parameter is guaranteed by device characteriza-
tion, but is not production tested.
2. The Pipelined output parameters (t CYC2 , t CD2 ) to either the Left or Right ports when FT /PIPE = V IH . Flow-Through parameters (t CYC1 , t CD1 ) apply when FT /PIPE = V IL for
that port .
3. All input signals are synchronous with respect to the clock except for the asynchronous Output Enable ( OE ), FT /PIPE R and FT /PIPE L.
7
6.42
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