MC74LCX16374 查看數據表（PDF） - ON Semiconductor

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MC74LCX16374

Low−Voltage CMOS 16−Bit D−Type Flip−Flop With 5 V−Tolerant Inputs and Outputs (3−State, Non−Inverting)

ON Semiconductor 

PULSE

GENERATOR

MC74LCX16374

VCC

DUT

RT

R1

CL

RL

6 V or VCC × 2

OPEN

GND

Figure 4. Test Circuit

Table 3. TEST CIRCUIT

TEST

SWITCH

tPLH, tPHL

Open

tPZL, tPLZ

6 V at VCC = 3.3  0.3 V

6 V at VCC = 2.5  0.2 V

Open Collector/Drain tPLH and tPHL

6V

tPZH, tPHZ

GND

CL = 50 pF at VCC = 3.3  0.3 V or equivalent (includes jig and probe capacitance)

CL = 30 pF at VCC = 2.5  0.2 V or equivalent (includes jig and probe capacitance)

RL = R1 = 500 W or equivalent

RT = ZOUT of pulse generator (typically 50 W)

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