74HC_HCT245_15 Datasheet, PDF (10/22 Pages) NXP Semiconductors – Octal bus tranceiver; 3-state

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 Parameter
Conditions
Min Typ Max Unit
I_CC
∆I_CC
quiescent supply current
additional quiescent supply
current per input pin
An or Bn inputs
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
-
-
160 µA
-
-
196 µA
OE input
-
-
735 µA
DIR input
-
-
441 µA
11. Dynamic characteristics
Table 9: Dynamic characteristics type 74HC245
GND = 0 V; test circuit see Figure 7.
Symbol Parameter
Conditions
T_amb = 25 °C
t_PHL, t_PLH propagation delay An to Bn or Bn see Figure 5
to An
V_CC = 2.0 V
V_CC = 4.5 V
V_CC = 5.0 V; C_L = 15 pF
t_PZH, t_PZL
3-state output enable time OE to
An or OE to Bn
V_CC = 6.0 V
see Figure 6
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 see Figure 6
An or OE to Bn
V_CC = 2.0 V
V_CC = 4.5 V
V_CC = 6.0 V
t_THL, t_TLH output transition time
see Figure 5
V_CC = 2.0 V
V_CC = 4.5 V
V_CC = 6.0 V
C_PD
power dissipation capacitance V_I = GND to V_CC
per transceiver
T_amb = −40 °C to +85 °C
t_PHL, t_PLH propagation delay An to Bn or Bn see Figure 5
to An
V_CC = 2.0 V
V_CC = 4.5 V
V_CC = 6.0 V
Min
Typ
Max Unit
-
25
90
ns
-
9
18
ns
-
7
-
ns
-
7
15
ns
-
30
150
ns
-
11
30
ns
-
9
26
ns
-
41
150
ns
-
15
30
ns
-
12
26
ns
-
14
60
ns
-
5
12
ns
-
4
10
ns
[1] _-
30
-
pF
-
-
115
ns
-
-
23
ns
-
-
20
ns
9397 750 14502
Product data sheet
Rev. 03 — 31 January 2005
© Koninklijke Philips Electronics N.V. 2005. All rights reserved.
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