参数资料
型号: IDT71V124SA12PHGI8
厂商: IDT, Integrated Device Technology Inc
文件页数: 6/8页
文件大小: 0K
描述: IC SRAM 1MBIT 12NS 32TSOP
标准包装: 1,500
格式 - 存储器: RAM
存储器类型: SRAM - 异步
存储容量: 1M (128K x 8)
速度: 12ns
接口: 并联
电源电压: 3 V ~ 3.6 V
工作温度: -40°C ~ 85°C
封装/外壳: 32-SOIC(0.400",10.16mm 宽)
供应商设备封装: 32-TSOP II
包装: 带卷 (TR)
其它名称: 71V124SA12PHGI8
IDT71V124SA, 3.3V CMOS Static RAM
1 Meg (128K x 8-Bit) Center Power & Ground Pinout
Commercial and Industrial Temperature Ranges
Timing Waveform of Write Cycle No. 1 ( WE Controlled Timing) (1,2,4)
t WC
ADDRESS
t AW
CS
t AS
t WP
(2)
t WR
WE
t WHZ (5)
HIGH IMPEDANCE
t OW (5)
t CHZ (5)
DATA OUT
(3)
t DW
t DH
(3)
DATA IN
DATA IN VALID
3873 drw 07
.
Timing Waveform of Write Cycle No. 2 ( CS Controlled Timing) (1, 4)
t WC
ADDRESS
t AW
CS
t WR
WE
t AS
t CW
t DW
(3)
t DH
DATA IN
DATA IN VALID
3873 drw 08
.
NOTES:
1. A write occurs during the overlap of a LOW CS and a LOW WE .
2. OE is continuously HIGH. During a WE controlled write cycle with OE LOW, t WP must be greater than or equal to t WHZ + t DW to allow the I/O drivers to turn off and data to be
placed on the bus for the required t DW . If OE is HIGH during a WE controlled write cycle, this requirement does not apply and the minimum write pulse is the specified t WP .
3. During this period, I/O pins are in the output state, and input signals must not be applied.
4. If the CS LOW transition occurs simultaneously with or after the WE LOW transition, the outputs remain in a high impedance state. CS must be active during the t CW write period.
5. Transition is measured ±200mV from steady state.
6
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