SN74LS390 Datasheet
SN74LS390 Datasheet (Texas Instruments)
Texas Instruments
SN54390, SN54LS390, SN54393, SN54LS393 SN74390, SN74LS390, SN74393, SN74LS393 DUAL 4-BIT DECADE AND BINARY COUNTERS SDLS107 – OCTOBER 1976 – REVISED MARCH 1988 PRODUCTION DATA information is current .
CADE AND BINARY COUNTERS
SDLS107
* OCTOBER 1976
* REVISED MARCH 1988
4
* POST OFFICE BOX 655303 DALLAS, TEXAS 75265
SN54390, SN54LS390, SN54393, SN54LS393
SN74390, SN74LS390, SN74393, SN74LS393 DUAL 4-BIT DECADE AND BINARY COUNTERS
SDLS107
* OCTOBER 1976
* REVISED MARCH 1988
* POST OFFICE BOX 65.
SN74LS390 Datasheet (Motorola Semiconductor)
Motorola Semiconductor
Each half of the SN54 / 74LS393 operates in the Modulo 16 binary sequence, as indicated in the ÷ 16 Truth Table. The first flip-flop is triggered by HIGH-to-LOW transitions of the CP input signal. Eac.
g ÷ 2, ÷ 2.5, ÷ 5 Individual Asynchronous Clear for Each Counter Typical Max Count Frequency of 50 MHz Input Clamp Diodes Minimize High Speed Termination Effects J SUFFIX CERAMIC CASE 620-09 16 1 16 1 N SUFFIX PLASTIC CASE 648-08 CONNECTION DIAGRAM DIP (TOP VIEW) SN54 / 74LS390 VCC 16 CP0 15 MR .