M74HC237
M74HC237 is 3 TO 8 LINE DECODER LATCH manufactured by STMicroelectronics.
DESCRIPTION
PIN No
SYMBOL NAME AND FUNCTION
1, 2, 3
A, B, C Data Inputs
4 GL Latch Enable Input
5 G2 Data Enable Input (Active LOW)
6 G1 Data Enable Input (Active HIGH)
15, 14, 13, 12, 11, 10, 9,
Y0 to Y7 Decoder Outputs
8 GND Ground (0V)
)16 VCC Positive Supply Voltage ct(s TRUTH TABLE du INPUTS
Pro t(s)ENABLE te c GL G2 le u X X so rod X H
LL b PL L
- O te L L ) le L L t(s o L L s L L c b L L du
- OL L ro )H L OObbssoolleettee PProduct(s X:Don’t Care
G1
L X H H H H H H H H H
X X L L L L H H H H X
SELECT
X X L L H H L L H H X
X X L H L H L H L H X
OUTPUTS
Y0 Y1 Y2 Y3 Y4 Y5 Y6 Y7
LLLLLLLL LLLLLLLL HLLLL LLL LHLLL LLL LLHLL LLL LLLHL LLL L L L LHL L L L L L L LHL L LLLLL LHL LLLLL LLH
Outputs corresponding to stored address H: all others L
2/11
LOGIC DIAGRAM
M74HC237 lete Prodduucctt((ss))This logic diagram has not be used to estimate propagation delays bso Pro ABSOLUTE MAXIMUM RATINGS
- O te Symbol
Parameter
Value
Unit
) le VCC Supply Voltage
-0.5 to +7
V t(s so VI DC Input...
