74HC237_Q100 All information provided in this document is subject to legal disclaimers. © NXP B.V. 2013. All rights reserved.
Product data sheet Rev. 1 — 14 January 2013 5 of 16
NXP Semiconductors
74HC237-Q100
3-to-8 line decoder, demultiplexer with address latches
6. Functional description
[1] H = HIGH voltage level; L = LOW voltage level; X = don’t care; Z = high-impedance OFF-state.
7. Limiting values
[1] For SO16 package: P
tot
derates linearly with 8 mW/K above 70 C.
8. Recommended operating conditions
Table 3. Function table
Enable Input Output
LE E1 E2 A0 A1 A2 Y0 Y1 Y2 Y3 Y4 Y5 Y6 Y7
HL HXXXstable
XHXXXXLLLLLLLL
XXLXXXLLLLLLLL
LLHLLLHLLLLLLL
LLHHLLLHLLLLLL
LLHLHLLLHLLLLL
LLHHHLLLLHLLLL
LLHLLHLLLLHLLL
LLHHLHLL L L L HL L
LLHLHHLLLLLLHL
LLHHHHLLLLLLLH
Table 4. Limiting values
In accordance with the Absolute Maximum Rating System (IEC 60134). Voltages are referenced to GND (ground = 0 V).
Symbol Parameter Conditions Min Max Unit
V
CC
supply voltage 0.5 +7 V
I
IK
input clamping current V
I
< 0.5 V or V
I
>V
CC
+0.5 V - 20 mA
I
OK
output clamping current V
O
< 0.5 V or V
O
>V
CC
+0.5V - 20 mA
I
O
output current V
O
= 0.5 V to (V
CC
+0.5V) - 25 mA
I
CC
supply current - +50 mA
I
GND
ground current - 50 mA
T
stg
storage temperature 65 +150 C
P
tot
total power dissipation
[1]
- 500 mW
Table 5. Recommended operating conditions
Voltages are referenced to GND (ground = 0 V)
Symbol Parameter Conditions Min Typ Max Unit
V
CC
supply voltage 2.0 5.0 6.0 V
V
I
input voltage 0 - V
CC
V
V
O
output voltage 0 - V
CC
V
T
amb
ambient temperature 40 +25 +125 C
