74HC245; 74HCT245
Philips Semiconductors
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
Parameter
Conditions
Min
Typ
Max
Unit
ICC
quiescent supply current
VI = VCC or GND; IO = 0 A;
-
-
160
µA
VCC = 5.5 V
∆ICC
additional quiescent supply
current per input pin
VI = VCC − 2.1 V; other inputs at
VI = VCC or GND;
VCC = 4.5 V to 5.5 V; IO = 0 A
An or Bn inputs
OE input
-
-
-
-
-
-
196
735
441
µA
µA
µA
DIR input
11. Dynamic characteristics
Table 9:
Dynamic characteristics type 74HC245
GND = 0 V; test circuit see Figure 7.
Symbol Parameter
Conditions
Min
Typ
Max
Unit
Tamb = 25 °C
tPHL, tPLH
propagation delay An to Bn or Bn see Figure 5
to An
VCC = 2.0 V
-
-
-
-
25
9
90
18
-
ns
ns
ns
ns
VCC = 4.5 V
VCC = 5.0 V; CL = 15 pF
7
VCC = 6.0 V
7
15
tPZH, tPZL
tPHZ, tPLZ
tTHL, tTLH
CPD
3-state output enable time OE to see Figure 6
An or OE to Bn
VCC = 2.0 V
-
-
-
30
11
9
150
30
ns
ns
ns
VCC = 4.5 V
VCC = 6.0 V
26
3-state output disable time OE to see Figure 6
An or OE to Bn
VCC = 2.0 V
-
-
-
41
15
12
150
30
ns
ns
ns
VCC = 4.5 V
VCC = 6.0 V
26
output transition time
see Figure 5
VCC = 2.0 V
VCC = 4.5 V
VCC = 6.0 V
VI = GND to VCC
-
-
-
-
14
5
60
12
10
-
ns
ns
ns
pF
4
[1]
power dissipation capacitance
per transceiver
30
Tamb = −40 °C to +85 °C
tPHL, tPLH
propagation delay An to Bn or Bn see Figure 5
to An
VCC = 2.0 V
-
-
-
-
-
-
115
23
ns
ns
ns
VCC = 4.5 V
VCC = 6.0 V
20
9397 750 14502
© Koninklijke Philips Electronics N.V. 2005. All rights reserved.
Product data sheet
Rev. 03 — 31 January 2005
10 of 22
NXP [ NXP ]
