HD74HCT138 Datasheet, PDF (3/6 Pages) Hitachi Semiconductor – 3-to-8-line Decoder/Demultiplexer

HD74HCT138
Absolute Maximum Ratings
Item
Symbol
Rating
Unit
Supply voltage range
Input voltage
V_CC
–0.5 to +7.0
V
V_IN
–0.5 to V_CC + 0.5
V
Output voltage
Output current
DC current drain per V_CC, GND
DC input diode current
DC output diode current
Power dissipation per package
Storage temperature
V_OUT
I_OUT
I_CC, I_GND
I_IK
I_OK
P_T
Tstg
–0.5 to V_CC + 0.5
V
±25
mA
±50
mA
±20
mA
±20
mA
500
mW
–65 to +150
°C
Note: The absolute maximum ratings are values, which must not individually be exceeded, and furthermore, no two of
which may be realized at the same time.
Recommended Operating Conditions
Item
Symbol
Ratings
Supply voltage
V_CC
4.5 to 5.5
Input / Output voltage
V_IN, V_OUT
0 to V_CC
Operating temperature
Input rise / fall time^*1
Ta
–40 to 85
t_r, t_f
0 to 500
Notes: 1. This item guarantees maximum limit when one input switches.
Waveform: Refer to test circuit of switching characteristics.
Unit
Conditions
V
V
°C
ns
V_CC = 4.5 V
Electrical Characteristics
Item
Symbol V_CC (V)
Input voltage
V_IH 4.5 to 5.5
V_IL 4.5 to 5.5
Output voltage
V_OH
4.5
4.5
V_OL
4.5
4.5
Input current
Iin
5.5
Quiescent supply ICC
5.5
current
Ta = 25°C
Min Typ Max
2.0 — —
— — 0.8
4.4 — —
4.18 — —
— — 0.1
— — 0.26
— — ±0.1
— — 4.0
Ta = –40 to+85°C
Min Max
2.0
—
—
0.8
4.4
—
4.13
—
—
0.1
—
0.33
—
±1.0
—
40
Unit
V
V
V
V
µA
µA
Test Conditions
Vin = V_IH or V_IL I_OH = –20 µA
I_OH = –4 mA
Vin = V_IH or V_IL I_OL = 20 µA
I_OL = 4 mA
Vin = V_CC or GND
Vin = V_CC or GND, Iout = 0 µA
Switching Characteristics
Item
Propagation delay time
Output rise/fall time
Input capacitance
Symbol V_CC (V)
t_PHL
4.5
t_PLH
4.5
t_PHL
4.5
t_PLH
4.5
t_PHL
4.5
t_PLH
4.5
t_TLH
4.5
t_THL
Cin
—
Ta = 25°C
Ta = –40 to +85°C
Min Typ Max Min Max
— 18 35
—
44
— 19 30
—
38
— 17 30
—
38
— 17 30
—
38
— 17 35
—
44
— 17 30
—
38
— 5 15
—
19
— 5 10
—
10
(C_L = 50 pF, Input t_r = t_f = 6 ns)
Unit
Test Conditions
ns A, B or C to output
ns
ns G₁ to output
ns
ns G_2A or G_2B to output
ns
ns
pF
Rev.2.00 Mar 30, 2006 page 3 of 5