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SN74LS76AN
Properties
Integrated Circuit
Texas Instruments
SN74LS76AN
U
Pricing & Availability
DPN | Stock | Qty 1 |
|---|---|---|
1 | 0 | $0.00 |
Controls
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himeth
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copilot
- Dual JK Flip-Flop with Clear and Preset
- Pinout:
- 1: Clear (CLR1)
- 2: Preset (PRE1)
- 3: Clock (CLK1)
- 4: J (J1)
- 5: K (K1)
- 6, 7: Q and Q' (Q1, Q1')
- 8: GND
- 9, 10: Q and Q' (Q2, Q2')
- 11: K (K2)
- 12: J (J2)
- 13: Clock (CLK2)
- 14: Preset (PRE2)
- 15: CLR (CLR2)
- 16: VCC
Example Connection for Two JK Flip-Flops-
First JK Flip-Flop (U1A)
- Connect Clock: Connect external clock signal to $U1:3$.
- Connect Preset: Connect $U1:2$ to VCC.
- Connect Clear: Connect $U1:1$ to GND.
- Connect Inputs: Connect initial input to $U1:4$ and $U1:5$.
- Connect Outputs:
- $U1:6$ (
- $U1:7$ to a ground plane if unused.
-
Second JK Flip-Flop (U1B)
- Connect Clock: Connect $U1:13$ to $U1:6$.
- Connect Preset: Connect $U1:14$ to VCC.
- Connect Clear: Connect $U1:15$ to GND.
- Connect Inputs: Connect $U1:12$ and $U1:11$ to VCC (or depending on the desired functionality).
- Connect Outputs:
- $U1:9$ (
- $U1:10$ to GND if not used.
Configuration for Second Flip Flop (U2)Q1) to $R1$ and next JK flip-flop input.Q2) to $R2$ and next JK flip-flop input.-
First JK Flip-Flop (U2A)
- Connect Clock: Connect $U2:3$ to $U1:9$ (
- Connect Preset: Connect $U2:2$ to VCC.
- Connect Clear: Connect $U2:1$ to GND.
- Connect Inputs: Connect $U2:4$ and $U2:5$ to VCC.
- Connect Outputs:
- $U2:6$ (
- $U2:7$ to a ground plane if unused.
-
Second JK Flip-Flop (U2B)
- Connect Clock: Connect $U2:13$ to $U2:6$.
- Connect Preset: Connect $U2:14$ to VCC.
- **Connect Clear: **Connect $U2:15$ to GND.
- Connect Inputs: Connect $U2:12$ and $U2:11$ to VCC.
- Connect Outputs:
- $U2:9$ (
- $U2:10$ to GND if unused.
Connections SummaryQ2).Q1) to $R3$ and next JK flip-flop input.Q2) to $R4$ and next JK flip-flop input.himeth
copilot
- Initial voltage (V1): 0V
- Peak voltage (V2): 1V
- Time delays (TD): 2n
- Rise time (TR): 2n
- Fall time (TF): 2n
- Pulse width (PW): 50n
- Period (PER): 100n
SPICE Netlist Example:Image
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