器件名称: IZ74HCT27A
功能描述: Triple 3-Input NOR Gate
文件大小: 38.58KB 共5页
简 介:TECHNICAL DATA
IN74HCT27A
Triple 3-Input NOR Gate
The IN74HCT27A is high-speed Si-gate CMOS device and is pin compatible with low power Schottky TTL (LSTTL). The device provide the Triple 3-input NOR function. Outputs Directly Interface to CMOS, NMOS, and TTL Operating Voltage Range: 4.5 to 5.5 V Low Input Current: 1.0 A High Noise Immunity Characteristic of CMOS Devices
ORDERING INFORMATION IN74HCT27AN Plastic IN74HCT27AD SOIC IZ74HCT27A Chip TA = -55° to 125° C for all packages
LOGIC DIAGRAM
A1 B1 C1 A2 B2 C2 A3 B3 C3
A L PIN 14 =VCC PIN 7 = GND X X H
PIN ASSIGNMENT
Y1
A1 B1 A2 B2
1 2 3 4 5 6 7
14 13 12 11 10 9 8
V CC C1 Y1 C3 B3 A3 Y3
Y2
C2 Y2 GND
Y3
FUNCTION TABLE
Inputs B L X H X C L H X X Output
Y = A + B + C
H L L L
X = don’t care
INTEGRAL
1
IN74HCT27A
MAXIMUM RATINGS *
Symbol VCC VIN VOUT IIN IOUT ICC PD Tstg TL Parameter DC Supply Voltage (Referenced to GND) DC Input Voltage (Referenced to GND) DC Output Voltage (Referenced to GND) DC Input Current, per Pin DC Output Current, per Pin DC Supply Current, VCC and GND Pins Power Dissipation in Still Air, Plastic DIP** SOIC Package** Storage Temperature Lead Temperature, 1 mm from Case for 10 Seconds (Plastic DIP or SOIC Package) Value -0.5 to +7.0 -1.5 to VCC +1.5 -0.5 to VCC +0.5 ±20 ±25 ±50 750 500 -65 to +150 260 Unit V V V mA mA mA mW °C °C
*Maximum Ratings are those values beyond which damage to the device may occur. Functional operation should be restricted to the Recommended Operating Con……
