NVRAM 256K, 1644, DIP28
 Memory Type	NVRAM
 Interface Type	Parallel
 Memory Size	256Kbit
 Memory Configuration	32K x 8bit
 Time, Access	120ns
 NVRAM Features	RTC, Internal Battery, XTAL
 Voltage, Memory Vcc	5V
 Voltage, Supply Min	4.5V
 Voltage, Supply Max	5.5V
 Termination Type	Through Hole
 Case Style	DIP
 No. of Pins	28
 Operating Temperature Range	0°C to +70°C
 Temp, Op. Max	70°C
 Temp, Op. Min	0°C
 Base Number	1644
 IC Generic Number	1644
 Logic Function Number	1644
 Temperature Range, IC	Commercial
 Time, Data Retention	10Yr
Корпус DIP28 , Интерфейс подключения PARALLEL, DIRECT ADDRESS , Особенности Real Time Clock, Non-Volatile, 0 Timer(s), CMOS , Напряжение питания, min 5 В, Напряжение питания, max 5 В, Рабочая температура 70 °C