GM23C4000A

The GM23C4000A is a kind of high performance read only memory which is organized as 524,288 words by eight bit and has an access of 120/150 ns. It is available in 32 pin plastic DIP package.

GM23C4000A has the following features: (1)TTL-compatible inputs and outputs; (2)polarity programmable chip enable and out enable pin; (3)3-state outputs for wire-or expansion; (4)fully static operation.

Then is about its absolute maximum ratings of GM23C4000A: (1)ambient operating temperature: -10 to 80 ; (2)storage temperature: -65 to 150 ; (3)supply voltage to ground potential: -0.5 V to VCC+0.5 V; (4)output voltage: -0.5 V to VCC+0.5 V; (5)input voltage: -0.5 V to 7.0 V. The following is some information about its DC operating conditions(VCC=5.0V±10%,TA=0 to 70 ): (1)supply voltage(VCC): 4.5 min, 5.0 V typ and 5.5 V; (2)supply voltage(VSS): 0 V; (3)input high voltage: 2.2 V min and VCC+0.3 V max; (4)input low voltage: -0.3 V to 0.8 V.