M66220 查看數據表（PDF） - Mitsumi

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M66220

256 × 8-BIT MAIL-BOX

Mitsumi 

MITSUBISHI 〈DIGITAL ASSP〉

M66220SP/FP

256 × 8-BIT MAIL-BOX

SWITCHING CHARACTERISTICS MEASUREMENT CIRCUIT

Input pulse level

: VIH = 3.0V, VIL = 0V

Input pulse rise/fall time

: tr/tf = 5ns

Input timing reference voltage : 1.5V

Output timing decision voltage : 1.5V

Output load

: Figure 1 ~ 3 (The capacitance includes stray wiring capacitance and the probe input capacitance.)

+ 5V

+ 5V

+ 5V

1250Ω

1250Ω

575Ω

I/O

I/O

Not Ready

775Ω

100pF

775Ω

5pF

50pF

Fig 1. I/O Output Load

Fig 2. I/O Output Load

(to ten, tdis)

Fig 3. Not Ready Output Load

11

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