74F11

TRIPLE 3-INPUT AND GATE

Family: Fairchild FAST (Advanced Schottky TTL)
Source: 1980 Fairchild FAST Data Book, page 4-8
Status: PRELIMINARY -- the data sheet page carries a "Preliminary" watermark.
Ratings: Vcc = +5.0 V +/-5%, TA = 0 to +70 deg C

DESCRIPTION

The 74F11 contains three independent 3-input AND gates in a 14-pin
package.

Logic function (each gate):   Z = A * B * C

CONNECTION DIAGRAM (14-pin DIP)

Pin  Function             Pin  Function
---  -------------------  ---  -------------------
  1  A1  gate 1 input      14  Vcc
  2  B1  gate 1 input      13  C1  gate 1 input
  3  A2  gate 2 input      12  Z1  gate 1 output
  4  B2  gate 2 input      11  C3  gate 3 input
  5  C2  gate 2 input      10  B3  gate 3 input
  6  Z2  gate 2 output      9  A3  gate 3 input
  7  GND                    8  Z3  gate 3 output

TRUTH TABLE (each gate)

 A    B    C    Z
---  ---  ---  ---
 L    X    X    L
 X    L    X    L
 X    X    L    L
 H    H    H    H

H = HIGH voltage level;  L = LOW voltage level;  X = don't care.

INPUT LOADING / FAN-OUT

Pin Names    Description    U.L. HIGH/LOW
-----------  -------------  -------------
             Inputs         0.5 / 0.375
             Outputs        25 / 12.5

DC CHARACTERISTICS OVER OPERATING TEMPERATURE RANGE

Symbol  Parameter             Min  Typ   Max  Units  Conditions
------  --------------------  ---  ---  ----  -----  ---------------------
ICCH    Power Supply Current             6.2  mA     VIN = Open, Vcc = Max
ICCL    Power Supply Current             9.7  mA     VIN = Gnd, Vcc = Max

AC CHARACTERISTICS

Symbol  Parameter        CL     Min  Typ  Max  Units
------  ---------------  -----  ---  ---  ---  -----
tPLH    Propagation Dly  15 pF  2.5  4.2  5.5  ns
tPLH    Propagation Dly  50 pF  3.0   --  7.0  ns
tPHL    Propagation Dly  15 pF  2.5  3.7  5.0  ns
tPHL    Propagation Dly  50 pF  3.0   --  6.0  ns

Data sheet transcription as plain text

VERILOG MODEL

// ============================================================================
// f11.v — 54F/74F11 Triple 3-Input AND Gate
//
// Fairchild FAST (Advanced Schottky TTL)
// Source: docs/devices/54F74F11.txt (1980 Fairchild FAST Data Book, page 4-8)
//         (data sheet page marked "Preliminary")
//
// Logic function (each gate): Z = A & B & C
//
// Timing values from the data sheet AC Characteristics table,
// 54F/74F column (T_A = +25 C, V_CC = +5.0 V, C_L = 15 pF), min:typ:max ns.
// The sheet's second row, C_L = 50 pF, gives min/max only:
//   A, B or C to Z   tPLH 3.0 / 7.0   tPHL 3.0 / 6.0 ns
//
// Ports are scalar and named after the data sheet pin names: Icarus Verilog
// does not fully support multi-bit (parallel) specify path connections, so
// vector ports would get incorrect per-bit delays.
// ============================================================================
`timescale 1ns/100ps

module f11 (
    input  wire a1, b1, c1, // gate 1 inputs
    output wire z1,         // gate 1 output
    input  wire a2, b2, c2, // gate 2 inputs
    output wire z2,         // gate 2 output
    input  wire a3, b3, c3, // gate 3 inputs
    output wire z3          // gate 3 output
);

    assign z1 = a1 & b1 & c1;
    assign z2 = a2 & b2 & c2;
    assign z3 = a3 & b3 & c3;

    specify
        // Propagation delay, A, B or C to Z (data sheet: tPLH 2.5/4.2/5.5,
        // tPHL 2.5/3.7/5.0 ns)
        specparam tlh = 2.5:4.2:5.5;
        specparam thl = 2.5:3.7:5.0;

        (a1, b1, c1 => z1) = (tlh, thl);
        (a2, b2, c2 => z2) = (tlh, thl);
        (a3, b3, c3 => z3) = (tlh, thl);
    endspecify

endmodule

f11.v as plain text