UPD43256B-X 데이터 시트보기 (PDF) - NEC => Renesas Technology

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UPD43256B-X

256K-BIT CMOS STATIC RAM 32K-WORD BY 8-BIT EXTENDED TEMPERATURE OPERATION

NEC => Renesas Technology 

μPD43256B-X

AC Characteristics (Recommended Operating Conditions Unless Otherwise Noted)

AC Test Conditions

[μPD43256B-70X, μPD43256B-85X]

Input Waveform (Rise and Fall Time ≤ 5 ns)

2.4 V

1.5 V

0.6 V

Test points

1.5 V

Output Waveform

1.5 V

Test points

1.5 V

Output Load

AC characteristics should be measured with the following output load conditions.

Figure 1

Figure 2

(tAA, tACS, tOE, tOH)

+5 V

(tCHZ, tCLZ, tOHZ, tOLZ, tWHZ, tOW)

+5 V

I/O (Output)

990 Ω

1.8 kΩ

100 pF

CL

I/O (Output)

990 Ω

1.8 kΩ

5 pF

CL

Remark CL includes capacitance of the probe and jig, and stray capacitance.

[μPD43256B-A85X, μPD43256B-A10X, μPD43256B-A12X, μPD43256B-B10X, μPD43256B-B12X, μPD43256B-B15X]

Input Waveform (Rise and Fall Time ≤ 5 ns)

2.4 V

1.5 V

Test points

1.5 V

0.4 V

Output Waveform

1.5 V

Test points

1.5 V

Output Load

AC characteristics should be measured with the following output load conditions.

tAA, tACS, tOE, tOH

tCHZ, tCLZ, tOHZ, tOLZ, tWHZ, tOW

1TTL + 50 pF

1TTL + 5 pF

8

Data Sheet M11012EJ6V0DS

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