M74HC148
DESCRIPTION bs The M74HC148 is an high speed CMOS 8 TO 3
LINE PRIORITY ENCODER fabricated with
O silicon gate C2MOS technology.
- The M74HC148 encodes eight data lines to t(s) three-line (4-2-1) binary (octal). Cascading circuitry (enable input EI and enable output EO)
TSSOP
ORDER CODES
PACKAGE
TUBE
DIP SOP TSSOP
M74HC148B1R M74HC148M1R
T&R
M74HC148RM13TR M74HC148TTR has been provided to allow octal expansion without the need for external circuitry. Data inputs are active at the low logic level. All inputs are equipped with protection circuits against static discharge and transient excess voltage.
Obsolete Produc PIN CONNECTION AND IEC LOGIC SYMBOLS
July 2001
1/11
INPUT AND OUTPUT EQUIVALENT CIRCUIT
PIN DESCRIPTION
PIN No
SYMBOL NAME AND FUNCTION
9, 7, 6
A0 to A2 Data Outputs
10, 11, 12, 13, 1, 2, 3, 4
0 to 7
Data Inputs
Enable Output
Enable Input
Priority Flag Output
GND Ground (0V)
Positive Supply...
