LY62W12816是一个2,097,152位的低功耗CMOS静态随机存取存储器(SRAM ),由16位组成131,072字。它采用非常高性能、高可靠性的CMOS技术制造,其待机电流在工作温度范围内是稳定的。
LY62W12816是为低功耗应用而设计的,特别适合于电池备份的非易失性存储器应用。
LY62W12816由2.7V〜5.5V的单个电源运行,所有输出均完全兼容。
产品系列
product Family | Operating Temperature | VCC Range | Speed | Power Dissipation |
Standby(ISB1,TYP.) | Operating(ICC,TYP.) |
LY62W12816 | 0 ~ 70℃ | 2.7 ~ 5.5V | 55/70ns | 1µA | 20/18mA |
LY62W12816(I) | -40 ~ 85℃ | 2.7 ~ 5.5V | 55/70ns | 1µA | 20/18mA |
功能框图
功能框图
引脚描述
SYMBOL | DESCRIPTION |
A0 - A16 | Address Inputs |
DQ0 - DQ15 | Data Inputs/Outputs |
CE# | Chip Enable Input |
WE# | Write Enable Input |
OE# | Output Enable Input |
LB# | Lower Byte Control |
UB# | Upper Byte Control |
VCC | Power Supply |
VSS | Ground |
NC | No Connection |
引脚配置
绝对最大额定值
PARAMETER | SYMBOL | RATING | UNIT |
Voltage on VCC relative to VSS | VT1 | -0.5 to 6.5 | V |
Voltage on any other pin relative to VSS | VT2 | -0.5 to VCC+0.5 | V |
Operating Temperature | TA | 0 to 70(C grade) | ℃ |
-40 to 85(I grade) |
Storage Temperature | TSTG | -65 to 150 | ℃ |
Power Dissipation | PD | 1 | W |
DC Output Current | IOUT | 50 | mA |
直流电特性
PARAMETER | SYMBOL | TEST CONDITION | MIN. | TYP. *4 | MAX. | UNIT |
Supply Voltage | VCC |
| 2.7 | 3.0 | 5.5 | V |
Input High Voltage | VIH*1 |
| 0.7*VCC | - | VCC+0.3 | V |
Input Low Voltage | *2
VIL |
| -0.2 | - | 0.6 | V |
Input Leakage Current | ILI | VCC ≧ VIN ≧ VSS | -1 | - | 1 | µA |
Output Leakage
Current | ILO | VCC ≧ VOUT ≧ VSS,
Output Disabled | -1 | - | 1 | µA |
Output High Voltage | VOH | IOH = -1mA | 2.4 | 2.7 | - | V |
Output Low Voltage | VOL | IOL = 2mA | - | - | 0.4 | V |
Average Operating Power supply Current | ICC | Cycle time = MIN. CE# = VIL , II/O = 0mA
Other pins at VIL or VIH | -55 | - | 20 | 60 | mA |
-70 | - | 18 | 50 | mA |
ICC1 | Cycle time = 1µs
CE# = 0.2V , II/O = 0mA
Other pins at 0.2V or VCC - 0.2V | - | 4 | 10 | mA |
Standby Power Supply Current | ISB1 | CE# ≧ VCC - 0.2V
Others at 0.2V or VCC - 0.2V | LL/LLI | - | 1 | 50 | µA |
SL*5
SLI*5 | 25℃ | - | 1 | 5 | µA |
40℃ | - | 1 | 5 | µA |
SL | - | 1 | 20 | µA |
SLI | - | 1 | 25 | µA |