DM74LS161AM Fairchild Semiconductor, DM74LS161AM Datasheet - Page 3

• Manufacturer Part Number: DM74LS161AM
• Description: IC COUNTER BINARY PRESET 16-SOIC
• Manufacturer: Fairchild Semiconductor
• Series: 74LSr

Specifications of DM74LS161AM

• Logic Type: Binary Counter
• Direction: Up
• Number Of Elements: 1
• Number Of Bits Per Element: 4
• Reset: Asynchronous
• Timing: Synchronous
• Trigger Type: Positive Edge
• Voltage - Supply: 4.75 V ~ 5.25 V
• Operating Temperature: 0°C ~ 70°C
• Mounting Type: Surface Mount
• Package / Case: 16-SOIC (3.9mm Width)
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Count Rate: -

Parameter Measurement Information
The input pulses are supplied by generators having the following characteristics:
Vary PRR to measure f
Outputs Q
V
The input pulses are supplied by generators having the following characteristics:
Enable P and enable T setup times are measured at t
V
REF
REF
PRR
PRR
1.5V.
1.3V.
D
1 MHz, duty cycle
and carry are tested at t
1 MHz, duty cycle
MAX
.
50%, Z
50%, Z
N 16
OUT
where t
OUT
50 , t
50 , t
N
is the bit time when all outputs are LOW.
R
R
N 0
6 ns, t
.
10 ns, t
Switching Time Waveforms
Switching Time Waveforms
F
F
6 ns. Vary PRR to measure f
10 ns.
3
MAX
.
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