HD74AC245 Datasheet, PDF (4/9 Pages) Hitachi Semiconductor – Octal Bidirectional Transceiver with 3-State Input/Output

HD74AC245/HD74ACT245
DC Characteristics: HD74ACT245
Item
Input voltage
Output voltage
Input current
3 State current
Sym- V_CC
bol (V)
V_IH
4.5
5.5
V_IL
4.5
5.5
V_OH 4.5
5.5
4.5
5.5
V_OL
4.5
5.5
4.5
5.5
I_IN
5.5
I_OZ
5.5
Ta = 25°C
min.
2.0
2.0
—
—
4.4
5.4
3.94
4.94
—
—
—
—
—
—
typ.
1.5
1.5
1.5
1.5
4.49
5.49
—
—
0.001
0.001
—
—
—
—
max.
—
—
0.8
0.8
—
—
—
—
0.1
0.1
0.32
0.32
±0.1
±0.5
I_CC/input current
I_CCT
5.5
—
Dynamic output
I_OLD
5.5
—
current*
I_OHD
5.5
—
Quiescent supply I_CC
5.5
—
current
0.6 —
—
—
—
—
—
8.0
*Maximum test duration 2.0 ms, one output loaded at a time.
Ta = –40 to
+85°C
min. max.
2.0 —
2.0 —
—
0.8
—
0.8
4.4 —
5.4 —
3.80 —
4.80 —
—
0.1
—
0.1
—
0.37
—
0.37
—
±1.0
—
±5.0
—
1.5
86
—
–75 —
—
80
Unit
V
V
µA
µA
mA
mA
mA
µA
Condition
V_OUT = 0.1 V or V_CC–0.1 V
V_OUT = 0.1 V or V_CC –0.1 V
V_IN = V_IL or V_IH
I_OUT = –50 µA
V_IN = V_IL
I_OH = –24 mA
V_IN = V_IL or V_IH
I_OUT = 50 µA
I_OH = –24 mA
V_IN = V_IL
I_OL = 24 mA
I_OL = 24 mA
V_IN = V_CC or GND
V_IN = V_IL, V_IH
V_OUT = V_CC or GND
V_IN = V_CC–2.1 V
V_OLD = 1.1 V
V_OHD = 3.85 V
V_IN = V_CC or ground
AC Characteristics: HD74AC245
Item
Propagation delay
Data to output
Symbol
t_PLH
V_CC (V)*¹
3.3
5.0
Ta = +25°C
C_L = 50 pF
Min Typ Max
1.0 5.0 8.5
1.0 3.5 6.5
Ta = –40°C to +85°C
C_L = 50 pF
Min
Max
1.0
9.0
ns
1.0
7.0
Unit
Propagation delay
t_PHL
3.3
1.0 5.0 8.5 1.0
9.0
ns
Data to output
5.0
1.0 3.5 6.0 1.0
7.0
Output enable time
t_ZH
3.3
5.0
1.0 7.0 11.5 1.0
1.0 5.0 8.5 1.0
12.5
ns
9.0
Output enable time
t_ZL
3.3
5.0
1.0 7.5 12.0 1.0
1.0 5.5 9.0 1.0
13.5
ns
9.5
Output disable time
t_HZ
3.3
5.0
1.0 6.5 12.0 1.0
1.0 5.5 9.0 1.0
12.5
ns
10.0
Output disable time
t_LZ
3.3
5.0
1.0 7.0 11.5 1.0
1.0 5.5 9.0 1.0
13.0
ns
10.0
Note: 1. Voltage Range 3.3 is 3.3 V ± 0.3 V
Voltage Range 5.0 is 5.0 V ± 0.5 V
Rev.2.00, Jul.16.2004, page 4 of 8