1:8 DMUX FOLLOWED BY LATCH; RESET ACTIVE ONLY WHEN LATCH ENABLE IS HIGH
Family:
ALS
JESD-30 Code:
R-PDSO-G16
JESD-609 Code:
e4
Length:
9.9 mm
Load Capacitance (CL):
50 pF
Logic IC Type:
D LATCH
Max I(ol):
0.008 A
Moisture Sensitivity Level:
1
Number of Bits:
8
Number of Functions:
8
Number of Terminals:
16
Operating Temperature-Max:
70 °C
Output Polarity:
TRUE
Package Body Material:
PLASTIC/EPOXY
Package Code:
SOP
Package Equivalence Code:
SOP16,.25
Package Shape:
RECTANGULAR
Package Style:
SMALL OUTLINE
Packing Method:
TUBE
Peak Reflow Temperature (Cel):
260
Power Supply Current-Max (ICC):
22 mA
Prop. Delay@Nom-Sup:
19 ns
Propagation Delay (tpd):
13 ns
Qualification Status:
Not Qualified
Schmitt Trigger:
NO
Seated Height-Max:
1.75 mm
Supply Voltage-Max (Vsup):
5.5 V
Supply Voltage-Min (Vsup):
4.5 V
Supply Voltage-Nom (Vsup):
5 V
Surface Mount:
YES
Technology:
TTL
Temperature Grade:
COMMERCIAL
Terminal Finish:
Nickel/Palladium/Gold (Ni/Pd/Au)
Terminal Form:
GULL WING
Terminal Pitch:
1.27 mm
Terminal Position:
DUAL
Time@Peak Reflow Temperature-Max (s):
30
Trigger Type:
LOW LEVEL
Width:
3.9 mm
SN74ALS259D Frequently Asked Questions (FAQs)
The maximum operating frequency of the SN74ALS259D is 100 MHz, but it can vary depending on the specific application and operating conditions.
To ensure signal integrity, use proper PCB layout techniques, such as using short signal traces, minimizing impedance mismatch, and using termination resistors if necessary. Additionally, consider using a signal integrity analysis tool to simulate and optimize your design.
Yes, the SN74ALS259D is compatible with 3.3V systems, but you need to ensure that the input voltage levels are within the recommended range (VCC - 0.5V to VCC + 0.5V) to maintain proper operation.
To avoid latch-up or other issues, ensure that the power supply voltage (VCC) is applied to all devices in a system simultaneously, or sequence the power-on in a way that ensures each device is fully powered before the next one is powered on.
The recommended termination scheme for the SN74ALS259D is to use a series terminator (e.g., 33 ohms) at the far end of the transmission line, and a parallel terminator (e.g., 50 ohms) at the near end, if necessary. However, the specific termination scheme may vary depending on the application and signal frequency.
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SN74ALS259D Overview
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About Texas Instruments
Texas Instruments (TI) designs and manufactures semiconductors and integrated circuits for a wide range of applications. The company's product portfolio includes analog chips, which are essential for managing power and signal functions in electronic devices, and embedded processors, which serve as the brains in various systems, enabling functionality in everything from industrial equipment to consumer electronics. TI's innovations in semiconductor technology have made it a leader in the industry.
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