Overview: EL7154
High Speed, Monolithic Pin Driver The EL7154 three-state pin driver is particularly well suited for ATE and level shifting applications. The 4A peak drive capability, makes the EL7154 an excellent choice when driving high speed capacitive lines.
The P-Channel MOSFET is pletely isolated from the power supply, providing a high degree of flexibility. Pin (7) can be grounded, and the output can be taken from pin (8) when a “source follower” output is desired. The N-Channel MOSFET has an isolated drain, but shares a mon bus with pre-drivers and level shifter circuits. This is necessary to ensure that the N-Channel device can turn off effectively when VL goes below GND. In some power-FET and IGBT applications, negative drive is desirable to insure effective turn-off. The EL7154 can be used in these applications by returning VL to a moderate negative potential. Pinout EL7154 (8 LD PDIP, 8 LD SOIC)
TOP VIEW VDD 1 THREE-STATE 2
3 INPUT LEVEL SHIFT AND LOGIC VH 8
POUT 7
VL 6
NOUT 4 GND 5 VL VL Truth Table
THREE-STATE 0 0 1 1 INPUT 0 1 0 1 POUT Open Open HIGH Open NOUT Open Open Open LOW Manufactured under U.S. Patent Nos. 5,334,883, #5,341,047, #5,352,578, #5,352,389, #5,351,012, #5,374,898 DATASHEET
FN7278 Rev 4.
