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HD74HCT137 Datasheet, PDF (3/8 Pages) Hitachi Semiconductor – 3-to-8-line Decoder/Demultiplexer with Address Latch
HD74HCT137
Logic Diagram
CK
A
Y0
CK
CK
CK
Y1
B
Y2
C
Y3
CK
CK
Y4
GL
Y5
Y6
Y7
G2
G1
Absolute Maximum Ratings
Item
Symbol
Rating
Unit
Supply voltage range
Input voltage
VCC
–0.5 to +7.0
V
VIN
–0.5 to VCC + 0.5
V
Output voltage
Output current
DC current drain per VCC, GND
DC input diode current
DC output diode current
Power dissipation per package
Storage temperature
VOUT
IOUT
ICC, IGND
IIK
IOK
PT
Tstg
–0.5 to VCC + 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
VCC
4.5 to 5.5
Input / Output voltage
VIN, VOUT
0 to VCC
Operating temperature
Input rise / fall time*1
Ta
–40 to 85
tr, tf
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
VCC = 4.5 V
Rev.2.00 Mar 30, 2006 page 3 of 7