AM27C256 Ver la hoja de datos (PDF) - Advanced Micro Devices

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Fabricante

AM27C256

256 Kilobit (32,768 x 8-Bit) CMOS EPROM

Advanced Micro Devices 

AMD

SWITCHING TEST CIRCUIT

Device

Under

Test

CL

6.2 kΩ

2.7 kΩ

+5.0 V

Diodes = IN3064

or Equivalent

CL = 100 pF including jig capacitance (30 pF for -55, -70)

SWITCHING TEST WAVEFORM

08007H-8

2.4 V

0.45 V

2.0 V

0.8 V

Input

Test Points

2.0 V

0.8 V

Output

AC Testing: Inputs are driven at 2.4 V for a logic “1”

and 0.45 V for a logic “0”. Input pulse

rise and fall times are ≤ 20 ns.

3V

1.5 V

Test Points

1.5 V

0V

Input

Output

08007H-9

AC Testing: Inputs are driven at 3.0 V for a logic “1”

and 0 V for a logic “0”. Input pulse rise and

fall times are ≤ 20 ns for -55 and -70.

2-42

Am27C256

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