74hct245db NXP Semiconductors, 74hct245db Datasheet - Page 13

• Manufacturer Part Number: 74hct245db
• Description: Octal Bus Transceiver; 3-state
• Manufacturer: NXP Semiconductors

Philips Semiconductors
12. Waveforms
9397 750 14502
Product data sheet
Table 11:
Type
74HC245
74HCT245
Fig 5. Input (An, Bn) to output (Bn, An) propagation delays and output transition times
Fig 6. 3-state output enable and disable times
Measurement points are given in
V
Measurement points are given in
V
OL
OL
Measurement points
and V
and V
HIGH-to-OFF
OFF-to-HIGH
LOW-to-OFF
OFF-to-LOW
OE input
OH
output
output
OH
are typical voltage output drop that occur with the output load.
are typical voltage output drop that occur with the output load.
Bn, An output
An, Bn input
Rev. 03 — 31 January 2005
GND
GND
V
V
V
OH
CC
OL
V
GND
I
V
V
10 %
OH
OL
V
Input
V
0.5V
1.3 V
I
M
V
CC
90 %
M
Table
Table
enabled
outputs
t
t
r
PLZ
t
PHZ
V
t
M
THL
11.
11.
V
M
t
10 %
PHL
74HC245; 74HCT245
90 %
disabled
outputs
10 %
V M
V
M
t
© Koninklijke Philips Electronics N.V. 2005. All rights reserved.
TLH
Octal bus tranceiver; 3-state
t
PZL
Output
V
0.5V
1.3 V
t
PZH
t
f
M
90 %
t
001aac433
PLH
CC
V
M
V
M
001aac479
outputs
enabled
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