参数资料
型号: IDT709089L12PFI
厂商: IDT, Integrated Device Technology Inc
文件页数: 10/18页
文件大小: 0K
描述: IC SRAM 512KBIT 12NS 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: 512K (64K x 8)
速度: 12ns
接口: 并联
电源电压: 4.5 V ~ 5.5 V
工作温度: -40°C ~ 85°C
封装/外壳: 100-LQFP
供应商设备封装: 100-TQFP(14x14)
包装: 托盘
其它名称: 709089L12PFI
IDT709089/79S/L
High-Speed 64/32K x 8 Synchronous Dual-Port Static RAM
Industrial and Commercial Temperature Ranges
Timing Waveform of a Bank Select Pipelined Read (1,2)
t CYC2
CLK
t CH2
t CL2
t SA
t HA
ADDRESS (B1)
A 0
A 1
A 2
A 3
A 4
A 5
A 6
CE 0(B1)
t SC
t HC
t SC
t HC
t CD2
t CD2
t CKHZ
(3)
t CD2
DATA OUT(B1)
Q 0
t DC
Q 1
t DC
t CKLZ
(3)
Q 3
t CKHZ (3)
t SA
t HA
ADDRESS (B2)
A 0
A 1
A 2
A 3
A 4
A 5
A 6
t SC
t HC
CE 0(B2)
t SC
t HC
t CD2
t CKHZ
(3)
t CD2
DATA OUT(B2)
t CKLZ
(3)
Q 2
t CKLZ (3)
Q 4
3242 drw 09
Timing Waveform of a Bank Select Flow-Through Read (6,7)
t CYC1
CLK
t CH1
t CL1
t SA
t HA
ADDRESS (B1)
A 0
A 1
A 2
A 3
A 4
A 5
A 6
CE 0(B1)
t SC
t HC
t SC t HC
t CD1
t CD1
t CKHZ
(1)
t CD1
t CD1
DATA OUT(B1)
D 0
t DC
D 1
t DC
t CKLZ
(1)
D 3
t CKHZ (1)
t CKLZ
(1)
D 5
t SA
t HA
ADDRESS (B2)
A 0
A 1
A 2
A 3
A 4
A 5
A 6
t SC t HC
CE 0(B2)
t SC
t HC
t CD1
t CKHZ
(1)
t CD1
t CKHZ
(1)
DATA OUT(B2)
t CKLZ
(1)
D 2
t CKLZ
(1)
D 4
3242 drw 09a
NOTES:
1. B1 Represents Bank #1; B2 Represents Bank #2. Each Bank consists of one IDT709089/79 for this waveform, and are setup for depth expansion in this
example. ADDRESS (B1) = ADDRESS (B2) in this situation.
2. OE and ADS = V IL ; CE 1(B1) , CE 1(B2) , R/ W and CNTRST = V IH .
3. Transition is measured 0mV from Low or High-impedance voltage with the Output Test Load (Figure 2).
4. CE 0 and ADS = V IL ; CE 1 and CNTRST = V IH .
5. OE = V IL for the Right Port, which is being read from. OE = V IH for the Left Port, which is being written to.
6. If t CCS < maximum specified, then data from right port READ is not valid until the maximum specified for t CWDD .
If t CCS > maximum specified, then data from right port READ is not valid until t CCS + t CD1 . t CWDD does not apply in this case.
7. All timing is the same for both Left and Right ports. Port "A" may be either Left or Right port. Port "B" is the opposite of Port "A".
10
6.42
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