74HC245 Datasheet, PDF (6/22 Pages) NXP Semiconductors – Octal bus transceiver; 3-state

Philips Semiconductors
74HC245; 74HCT245
Octal bus tranceiver; 3-state
9. Recommended operating conditions
Table 6: Recommended operating conditions
Symbol Parameter
Conditions
Type 74HC245
V_CC
supply voltage
V_I
input voltage
V_O
output voltage
t_r, t_f
input rise and fall V_CC = 2.0 V
times
V_CC = 4.5 V
V_CC = 6.0 V
T_amb
ambient temperature
Type 74HCT245
V_CC
supply voltage
V_I
input voltage
V_O
output voltage
t_r, t_f
input rise and fall V_CC = 4.5 V
times
T_amb
ambient temperature
Min Typ Max Unit
2.0 5.0
0
-
0
-
-
-
-
6.0
-
-
−40 -
6.0 V
V_CC
V
V_CC
V
1000 ns
500 ns
400 ns
+125 °C
4.5 5.0
0
-
0
-
-
6.0
−40 -
5.5 V
V_CC
V
V_CC
V
500 ns
+125 °C
10. Static characteristics
Table 7: Static characteristics type 74HC245
At recommended operating conditions; voltages are referenced to GND (ground = 0 V).
Symbol Parameter
Conditions
Min Typ Max Unit
T_amb = 25 °C
V_IH
HIGH-level input voltage
V_CC = 2.0 V
1.5 1.2 -
V
V_CC = 4.5 V
3.15 2.4 -
V
V_CC = 6.0 V
4.2 3.2 -
V
V_IL
LOW-level input voltage
V_CC = 2.0 V
-
0.8 0.5 V
V_CC = 4.5 V
V_CC = 6.0 V
-
2.1 1.35 V
-
2.8 1.8 V
V_OH
HIGH-level output voltage
V_I = V_IH or V_IL
I_O = −20 µA; V_CC = 2.0 V
I_O = −20 µA; V_CC = 4.5 V
I_O = −20 µA; V_CC = 6.0 V
I_O = −6.0 mA; V_CC = 4.5 V
I_O = −7.8 mA; V_CC = 6.0 V
1.9 2.0 -
V
4.4 4.5 -
V
5.9 6.0 -
V
3.98 4.32 -
V
5.48 5.81 -
V
9397 750 14502
Product data sheet
Rev. 03 — 31 January 2005
© Koninklijke Philips Electronics N.V. 2005. All rights reserved.
6 of 22