tc74ac240 TOSHIBA Semiconductor CORPORATION, tc74ac240 Datasheet

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tc74ac240

Manufacturer Part Number
tc74ac240
Description
Octal Bus Buffer
Manufacturer
TOSHIBA Semiconductor CORPORATION
Datasheet

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Octal Bus Buffer
OCTAL BUS BUFFERs fabricated with silicon gate and
double-layer metal wiring C
Bipolar Schottky TTL while maintaining the CMOS low power
dissipation.
is non-inverting. Both devices have two active-low output
enables.
3-state memory address drivers.
discharge or transient excess voltage.
Features
The TC74AC240 and 244 are advanced high speed CMOS
They achieve the high speed operation similar to equivalent
The 74AC240 is an inverting 3-state buffer while the 74AC244
These devices are designed to be used in such applications as
All inputs are equipped with protection circuits against static
High speed: t
Low power dissipation: I
High noise immunity: V
Symmetrical output impedance: |I
Balanced propagation delays: t
Wide operating voltage range: V
Pin and function compatible with 74F240/244
TC74AC240P/F/FT
TC74AC244P/F/FT
pd
= 4.0 ns (typ.) at V
TC74AC240P,TC74AC240F,TC74AC240FT
TC74AC244P,TC74AC244F,TC74AC244FT
TOSHIBA CMOS Digital Integrated Circuit Silicon Monolithic
NIH
CC
2
MOS technology.
= 8 μA (max) at Ta = 25°C
= V
pLH
NIL
CC (opr)
Inverted, 3-State
Outputs
Non-Inverted, 3-State
Outputs
Capability of driving 50 Ω
transmission lines.
CC
OH
∼ − t
= 28% V
= 5 V
| = I
pHL
= 2 to 5.5 V
OL
CC
= 24 mA (min)
(min)
1
Weight
DIP20-P-300-2.54A
SOP20-P-300-1.27A
TSSOP20-P-0044-0.65A
TC74AC240P, TC74AC244P
TC74AC240F, TC74AC244F
TC74AC240FT, TC74AC244FT
TC74AC240,244P/F/ FT
: 1.30 g (typ.)
: 0.22 g (typ.)
: 0.08 g (typ.)
2007-10-01

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tc74ac240 Summary of contents

Page 1

... TOSHIBA CMOS Digital Integrated Circuit Silicon Monolithic TC74AC240P,TC74AC240F,TC74AC240FT TC74AC244P,TC74AC244F,TC74AC244FT Octal Bus Buffer TC74AC240P/F/FT TC74AC244P/F/FT The TC74AC240 and 244 are advanced high speed CMOS OCTAL BUS BUFFERs fabricated with silicon gate and double-layer metal wiring C 2 MOS technology. They achieve the high speed operation similar to equivalent Bipolar Schottky TTL while maintaining the CMOS low power dissipation ...

Page 2

... Y 4 1A4 2 G (9) 2A1 ( 2A2 ( 2A3 ( 2A4 (240 TC74AC240,244P/F/ FT TC74AC244 1Y1 2A4 5 16 1Y2 6 15 2A3 7 14 1Y3 8 2A2 1Y4 11 2A1 (top view) TC74AC244 ...

Page 3

... D T −65 to 150 stg Symbol Rating V 2 OUT CC T − opr 0 to 100 (V = 3.3 ± 0 dt/ ± 0 TC74AC240,244P/F/ FT Unit °C Unit °C ns/V 2007-10-01 ...

Page 4

... 5 GND OUT GND 5 GND 5 TC74AC240,244P/ 25°C −40 to 85°C Min Typ. Max Min Max 1.50 ― ― 1.50 ― 2.10 ― ― 2.10 ― 3.85 ― ― 3.85 ― ― ― 0.50 ― 0.50 ― ...

Page 5

... PD current consumption without load. Average operating current can be obtained by the equation ·V ·f CC (opr Note 2: For TC74AC240 only Note 3: For TC74AC244 only = 500 Ω, input ns Test Condition V (V) CC 3.3 ± ...

Page 6

... Package Dimensions Weight: 1.30 g (typ.) TC74AC240,244P/ 2007-10-01 ...

Page 7

... Package Dimensions Weight: 0.22 g (typ.) TC74AC240,244P/ 2007-10-01 ...

Page 8

... Package Dimensions Weight: 0.08 g (typ.) TC74AC240,244P/ 2007-10-01 ...

Page 9

... Please use these products in this document in compliance with all applicable laws and regulations that regulate the inclusion or use of controlled substances. Toshiba assumes no liability for damage or losses occurring as a result of noncompliance with applicable laws and regulations. TC74AC240,244P/ 20070701-EN GENERAL 2007-10-01 ...

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