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M74HCT240 Schematic ( PDF Datasheet ) - ST Microelectronics

Teilenummer M74HCT240
Beschreibung OCTAL BUS BUFFER
Hersteller ST Microelectronics
Logo ST Microelectronics Logo 




Gesamt 9 Seiten
M74HCT240 Datasheet, Funktion
M74HCT240
OCTAL BUS BUFFER
WITH 3 STATE OUTPUTS (INVERTED)
s HIGH SPEED:
tPD = 15 ns (TYP.) at VCC = 4.5V
s LOW POWER DISSIPATION:
ICC = 4µA(MAX.) at TA=25°C
s COMPATIBLE WITH TTL OUTPUTS :
VIH = 2V (MIN.) VIL = 0.8V (MAX)
s BALANCED PROPAGATION DELAYS:
tPLH tPHL
s SYMMETRICAL OUTPUT IMPEDANCE:
|IOH| = IOL = 6mA (MIN)
s PIN AND FUNCTION COMPATIBLE WITH
74 SERIES 240
DESCRIPTION
The 74HCT240 is an advanced high-speed
CMOS OCTAL BUS BUFFER (3-STATE)
fabricated with silicon gate C2MOS technology.
G control input governs four BUS BUFFERs.
DIP
SOP
TSSOP
ORDER CODES
PACKAGE
TUBE
T&R
DIP
SOP
TSSOP
M74HCT240B1R
M74HCT240M1R M74HCT240RM13TR
M74HCT240TTR
All inputs are equipped with protection circuits
against static discharge and transient excess
voltage.
PIN CONNECTION AND IEC LOGIC SYMBOLS
August 2001
1/9






M74HCT240 Datasheet, Funktion
M74HCT240
Plastic DIP-20 (0.25) MECHANICAL DATA
DIM.
a1
B
b
b1
D
E
e
e3
F
I
L
Z
MIN.
0.254
1.39
mm.
TYP
0.45
0.25
8.5
2.54
22.86
3.3
MAX.
1.65
25.4
7.1
3.93
1.34
MIN.
0.010
0.055
inch
TYP.
0.018
0.010
0.335
0.100
0.900
0.130
MAX.
0.065
1.000
0.280
0.155
0.053
P001J
6/9

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