Philips Semiconductors
74HC245; 74HCT245
Octal bus tranceiver; 3-state
Table 8:
Static characteristics type 74HCT245
…continued
At recommended operating conditions; voltages are referenced to GND (ground = 0 V).
Symbol
I
CC
∆I
CC
Parameter
quiescent supply current
additional quiescent supply
current per input pin
An or Bn inputs
OE input
DIR input
Conditions
V
I
= V
CC
or GND; I
O
= 0 A;
V
CC
= 5.5 V
V
I
= V
CC
−
2.1 V; other inputs at
V
I
= V
CC
or GND;
V
CC
= 4.5 V to 5.5 V; I
O
= 0 A
-
-
-
-
-
-
196
735
441
µA
µA
µA
Min
-
Typ
-
Max
160
Unit
µA
11. Dynamic characteristics
Table 9:
Dynamic characteristics type 74HC245
GND = 0 V; test circuit see
Symbol
t
PHL
, t
PLH
Parameter
Conditions
Min
Typ
Max
Unit
T
amb
= 25
°C
propagation delay An to Bn or Bn see
to An
V
CC
= 2.0 V
V
CC
= 4.5 V
V
CC
= 5.0 V; C
L
= 15 pF
V
CC
= 6.0 V
t
PZH
, t
PZL
3-state output enable time OE to
An or OE to Bn
see
V
CC
= 2.0 V
V
CC
= 4.5 V
V
CC
= 6.0 V
t
PHZ
, t
PLZ
3-state output disable time OE to
An or OE to Bn
see
V
CC
= 2.0 V
V
CC
= 4.5 V
V
CC
= 6.0 V
t
THL
, t
TLH
output transition time
see
V
CC
= 2.0 V
V
CC
= 4.5 V
V
CC
= 6.0 V
C
PD
power dissipation capacitance
per transceiver
V
I
= GND to V
CC
-
-
-
-
-
-
-
-
-
-
-
-
-
-
25
9
7
7
30
11
9
41
15
12
14
5
4
30
90
18
-
15
150
30
26
150
30
26
60
12
10
-
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
pF
T
amb
=
−40 °C
to +85
°C
t
PHL
, t
PLH
propagation delay An to Bn or Bn see
to An
V
CC
= 2.0 V
V
CC
= 4.5 V
V
CC
= 6.0 V
-
-
-
-
-
-
115
23
20
ns
ns
ns
9397 750 14502
© Koninklijke Philips Electronics N.V. 2005. All rights reserved.
Product data sheet
Rev. 03 — 31 January 2005
10 of 22
PHILIPS [ NXP SEMICONDUCTORS ]
