LY62W102516是一个16,777,216位的低功耗CMOS静态随机存取存储器,由16位组织成1,048,576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。
LY62W102516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。
LY62W102516在2.7V~5.5V的单一电源下工作,所有的输入和输出都是完全TTL兼容。
产品系列
product Family | Operating Temperature | Vcc Range | Speed | Power Dissipation |
Standby(ISB1,TYP.) | Operating(Icc,TYP.) |
LY62W102516 | 0 ~ 70℃ | 2.7 ~ 5.5V | 55/70ns | 10µA(LL) | 45/30mA |
LY62W102516(I) | -40 ~ 85℃ | 2.7 ~ 5.5V | 55/70ns | 10µA(LL) | 45/30mA |
功能框图
功能框图
引脚描述
SYMBOL | DESCRIPTION |
A0 - A19 | Address Inputs |
DQ0 – DQ15 | Data Inputs/Outputs |
CE#, CE2 | Chip Enable Input |
WE# | Write Enable Input |
OE# | Output Enable Input |
LB# | Lower Byte Control |
UB# | Upper Byte Control |
VCC | Power Supply |
VSS | Ground |
引脚配置
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 | V *1
IH | VCC = 4.5~5.5V | 2.4 | - | VCC+0.3 | V |
VCC = 2.7~4.5V | 2.2 | - | VCC+0.3 | V |
Input Low Voltage | V *2
IL |
| -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, VCC = 4.5~5.5V | 2.4 | - | - | V |
IOH = -1mA, VCC = 2.7~4.5V | 2.2 | - | - | V |
Output Low Voltage | VOL | IOL = 2mA | - | - | 0.4 | V |
Average Operating Power supply Current | ICC | Cycle time = Min.
CE# = VIL and CE2 = VIH II/O = 0mA
Other pins at VIL or VIH | -55 | - | 45 | 60 | mA |
-70 | - | 30 | 45 | mA |
ICC1 | Cycle time = 1µs
CE#≦0.2V and CE2≧VCC-0.2V II/O = 0mA
Other pins at 0.2V or VCC-0.2V | - | 8 | 16 | mA |
Standby Power Supply Current | ISB | CE# = VIH or CE2 = VIL
Other pins at VIL or VIH | - | 0.3 | 2 | mA |
ISB1 | CE# ≧VCC-0.2V or CE2≦0.2V
Other pins at 0.2V or VCC-0.2V | -LL | - | 10 | 60 | µA |
-LLI | - | 10 | 100 | µA |