Propagation Delay Time
:
Supply Voltage - Max
: 6 V
Supply Voltage - Min
: 2 V
Maximum Operating Temperature
: + 125 C
Product
: Decoder / Demultiplexer
Number of Bits
: 3
Number of Lines (Input / Output)
: 3 / 8
Packaging
: Tube
Logic Family
: HC
Mounting Style
: Through Hole
Package / Case
: PDIP-16
DescriptionThe CD74HC237E is high speed silicon gate CMOS decoders well suited to memory address decoding or data routing applications. The features of CD74HC237E are as follows: (1)Select One of Eight Data Outputs: Active Low for CD74HC137 and CD74HCT137, Active High for 'HC237 and CD74HCT237; (2)l/O Port or Memory Selector; (3)Two Enable Inputs to Simplify Cascading; (4)Typical Propagation Delay of 13ns at VCC = 5V, 15pF, TA = 25oC (CD74HC237); (5)Fanout (Over Temperature Range): Standard Outputs: 10 LSTTL Loads, Bus Driver Outputs: 15 LSTTL Loads; (6)Wide Operating Temperature Range: -55oC to 125oC; (7)Balanced Propagation Delay and Transition Times; (8)Significant Power Reduction Compared to LSTTL Logic ICs; (9)CD74HC237E HC Types: 2V to 6V Operation, High Noise Immunity: NIL = 30%, NIH = 30%, of VCC at VCC = 5V; (10)HCT Types: 4.5V to 5.5V Operation, Direct LSTTL Input Logic Compatibility, VIL= 0.8V (Max), VIH = 2V (Min), CMOS Input Compatibility, Il 1A at VOL, VOH.
The absolute maximum ratings of the CD74HC237E are: (1)DC supply voltage, VCC: -0.5V to 7V; (2)DC input diode current, IIK for VI < -0.5V or VI > VCC + 0.5V: ±20mA; (3)DC output diode current, IOK for VO < -0.5V or VO > VCC + 0.5V: ±20mA; (4)DC output source or sink current per output Pin, IO For VO > -0.5V or VO < VCC + 0.5V: ±25mA; (5)DC VCC or ground current, ICC or IGND: ±50mA.
The following is about the electrical characteristics of CD74HC237E: (1)High Level Input Voltage: 1.5V min; (2)low Level Input Voltage: 0.5V max; (3)High Level Output Voltage CMOS Loads: 1.9V min at VIH or VIL, IO= -0.02mA; (4)High Level Output Voltage TTL Loads: 3.98V min at VIH or VIL, IO= -4mA; (5)Low Level Output Voltage CMOS Loads: 0.1V max at VIH or VIL, IO=0.02mA; (6)Low Level Output Voltage TTL Loads: 0.26V max at VIH or VIL, IO=0.02mA; (7)Input Leakage Current: ±0.1A max at VCC or GND; (8)Quiescent Device Current: 8A max at VCC or GND.
Parameters: | Technical/Catalog Information | CD74HC237E |
| Vendor | Texas Instruments |
| Category | Integrated Circuits (ICs) |
| Circuit | 1 x 3:8 |
| Independent Circuits | 1 |
| Mounting Type | Through Hole |
| Current - Output High, Low | 5.2mA, 5.2mA |
| Package / Case | 16-DIP (300 mil) |
| Packaging | Tube |
| Type | Decoder/Demultiplexer |
| Voltage Supply Source | Single Supply |
| Operating Temperature | -55°C ~ 125°C |
| Voltage - Supply | 2 V ~ 6 V |
| Drawing Number | 296; 4040049; N; 14, 16, 18, 20 |
| Lead Free Status | Lead Free |
| RoHS Status | RoHS Compliant |
| Other Names | CD74HC237E
CD74HC237E
|
CD74HC237E Data Sheet
