M
TC4467/TC4468/TC4469
Logic-Input CMOS Quad Drivers
Features
General Description
• High Peak Output Current: 1.2 A
• Wide Operating Range:
- 4.5 V to 18 V
• Symmetrical Rise/Fall Times: 25 nsec
• Short, Equal Delay Times: 75 nsec
• Latch-proof. Will Withstand 500 mA Inductive
Kickback
• 3 Input Logic Choices:
- AND / NAND / AND + Inv
• ESD Protection on All Pins: 2 kV
The TC4467/TC4468/TC4469 devices are a family of
four-output CMOS buffers/MOSFET drivers with 1.2 A
peak drive capability. Unlike other MOSFET drivers,
these devices have two inputs for each output. The
inputs are configured as logic gates: NAND (TC4467),
AND (TC4468) and AND/INV (TC4469).
The TC4467/TC4468/TC4469 drivers can continuously
source up to 250 mA into ground referenced loads.
These devices are ideal for direct driving low current
motors or driving MOSFETs in a H-bridge configuration
for higher current motor drive (see Section 5.0 for
details). Having the logic gates onboard the driver can
help to reduce component count in many designs.
Applications
The TC4467/TC4468/TC4469 devices are very robust
and highly latch-up resistant. They can tolerate up to
5 V of noise spiking on the ground line and can handle
up to 0.5 A of reverse current on the driver outputs.
The TC4467/4468/4469 devices are available in
commercial, industrial and military temperature ranges.
• General Purpose CMOS Logic Buffer
• Driving All Four MOSFETs in an H-Bridge
• Direct Small Motor Driver
• Relay or Peripheral Drivers
• CCD Driver
• Pin-Switching Network Driver
Package Types
14-Pin PDIP/CERDIP
VDD
14
1A
1B
2A
1
2
3
4
5
6
7
13 1Y
12 2Y
11 3Y
10 4Y
TC4467
TC4468
TC4469
2B
3A
3B
9
8
4B
4A
GND
16-Pin SOIC (Wide)
VDD
VDD
1Y
2Y
3Y
4Y
4B
4A
1A
1B
2A
2B
3A
3B
GND
GND
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
TC4467
TC4468
TC4469
9
2002 Microchip Technology Inc.
DS21425B-page 1