74HC245; 74HCT245
Philips Semiconductors
Octal bus tranceiver; 3-state
V
V
CC
CC
V
V
R
= 1 kΩ
I
O
L
PULSE
GENERATOR
open
D.U.T
R
C
50 pF
T
L
mgk563
Test data is given in Table 12.
Definitions test circuit:
RT = Termination resistance should be equal to output impedance Zo of the pulse generator.
CL = Load capacitance including jig and probe capacitance.
RL = Load resistor.
Fig 7. Load circuitry for switching times
Table 12: Test data
Type
Input
VI
Test
tr, tf
6 ns
6 ns
tPHL, tPLH
open
tPZH, tPHZ
GND
tPZL, tPLZ
VCC
74HC245
VCC
3 V
74HCT245
open
GND
VCC
9397 750 14502
© Koninklijke Philips Electronics N.V. 2005. All rights reserved.
Product data sheet
Rev. 03 — 31 January 2005
14 of 22
NXP [ NXP ]
