74ACT373M(1997) 查看數據表（PDF） - STMicroelectronics

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74ACT373M
(Rev.:1997)

OCTAL D-TYPE LATCH WITH 3 STATE OUTPUT NON INVERTING

STMicroelectronics 

74ACT373

TEST CIRCUIT

T E ST

tPLH, tPHL

tPZL, tPLZ

tPZH, tPHZ

CL = 50 pF or equivalent (includes jig and probe capacitance)

RL = R1 = 500Ω or equivalent

RT = ZOUT of pulse generator (typically 50Ω)

SWITCH

Open

2VCC

Open

WAVEFORM 1: LE TO Qn PROPAGATION DELAYS, LE MINIMUM PULSE WIDTH,

Dn TO LE SETUP AND HOLD TIMES (f=1MHz; 50% duty cycle)

6/10

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