74lvth244adb NXP Semiconductors, 74lvth244adb Datasheet

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74lvth244adb

Manufacturer Part Number
74lvth244adb
Description
3.3 V Octal Buffer/line Driver; 3-state
Manufacturer
NXP Semiconductors
Datasheet
1. General description
2. Features
3. Quick reference data
The 74LVT244A; 74LVTH244A is a high-performance BiCMOS product designed for V
operation at 3.3 V.
This device is an octal buffer that is ideal for driving bus lines. The device features two
output enables (1OE, 2OE), each controlling four of the 3-state outputs.
I
I
I
I
I
I
I
I
I
I
I
Table 1.
GND = 0 V; T
Symbol Parameter
t
t
C
C
I
PLH
PHL
CC
i
o
74LVT244A; 74LVTH244A
3.3 V octal buffer/line driver; 3-state
Rev. 03 — 15 March 2006
Octal bus interface
3-state buffers
Output capability: +64 mA and 32 mA
TTL input and output switching levels
Input and output interface capability to systems at 5 V supply
Bus hold data inputs eliminate need for external pull-up resistors to hold unused inputs
Power-up 3-state
Live insertion and extraction permitted
No bus current loading when output is tied to 5 V bus
Latch-up protection:
ESD protection:
N
N
N
JESD78: exceeds 500 mA
HBM EIA/JESD22-A114-C exceeds 2000 V
MM EIA/JESD22-A115-A 200 V
LOW-to-HIGH propagation
delay nAn to nYn
HIGH-to-LOW propagation
delay nAn to nYn
input capacitance
output capacitance
quiescent supply current
Quick reference data
amb
= 25 C.
Conditions
C
C
V
outputs disabled;
V
outputs disabled;
V
V
I
O
CC
I
L
L
= 0 V or 3.0 V
= GND or V
= 50 pF; V
= 50 pF; V
= 0 V or 3.0 V
= 3.6 V; I
O
CC
CC
CC
= 0 A;
= 3.3 V
= 3.3 V
Min
-
-
-
-
-
Product data sheet
Typ
2.5
2.6
4
8
0.13
Max
-
-
-
-
-
Unit
ns
ns
pF
pF
mA
CC

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74lvth244adb Summary of contents

Page 1

V octal buffer/line driver; 3-state Rev. 03 — 15 March 2006 1. General description The 74LVT244A; 74LVTH244A is a high-performance BiCMOS product designed for V operation at 3.3 V. This device is an octal buffer that is ...

Page 2

... Philips Semiconductors 4. Ordering information Table 2. Ordering information Type number Package Temperature range Name 74LVT244AD +85 C 74LVT244ADB +85 C 74LVT244APW +85 C 74LVTH244AD +85 C 74LVTH244ADB +85 C 74LVTH244APW + Functional diagram 1A0 2 1A1 4 1A2 6 1A3 8 1OE 1 2A0 11 2A1 ...

Page 3

Philips Semiconductors 6. Pinning information 6.1 Pinning Fig 3. Pin configuration 6.2 Pin description Table 3. Symbol 1OE 1A0 2Y3 1A1 2Y2 1A2 2Y1 1A3 2Y0 GND 2A0 1Y3 2A1 1Y2 2A2 1Y1 2A3 1Y0 2OE V CC 74LVT_LVTH244A_3 Product ...

Page 4

Philips Semiconductors 7. Functional description 7.1 Function table Table 4. Control nOE HIGH voltage level LOW voltage level don’t care high-impedance OFF-state. 8. Limiting values Table 5. In accordance ...

Page 5

Philips Semiconductors Table 6. Symbol amb t/ V 10. Static characteristics Table 7. Static characteristics At recommended operating conditions; voltages are referenced to GND (ground = 0 V). Symbol Parameter [ ...

Page 6

Philips Semiconductors Table 7. Static characteristics At recommended operating conditions; voltages are referenced to GND (ground = 0 V). Symbol Parameter I power-up/power-down O(pu/pd) output current I OFF-state output current OZ I quiescent supply current CC I additional quiescent supply ...

Page 7

Philips Semiconductors Table 8. Dynamic characteristics Voltages are referenced to GND (ground = 0 V); for test circuit see Symbol Parameter t output disable time PHZ from HIGH-level t output disable time PLZ from LOW-level [1] All typical values are ...

Page 8

Philips Semiconductors 12. Waveforms Fig 4. Propagation delay input (nAn) to output (nYn) propagation delays Fig 5. 3-state output enable and disable times Table 9. Input V M 1.5 V 74LVT_LVTH244A_3 Product data sheet 74LVT244A; 74LVTH244A V I nAn input ...

Page 9

Philips Semiconductors Fig 6. Load circuitry for switching times Table 10. Input V I 2.7 V 74LVT_LVTH244A_3 Product data sheet 74LVT244A; 74LVTH244A negative V M pulse ...

Page 10

Philips Semiconductors 13. Package outline SO20: plastic small outline package; 20 leads; body width 7 pin 1 index 1 e DIMENSIONS (inch dimensions are derived from the original mm dimensions) A UNIT ...

Page 11

Philips Semiconductors SSOP20: plastic shrink small outline package; 20 leads; body width 5 pin 1 index 1 e DIMENSIONS (mm are the original dimensions) A UNIT max. 0.21 1.80 mm ...

Page 12

Philips Semiconductors TSSOP20: plastic thin shrink small outline package; 20 leads; body width 4 pin 1 index 1 DIMENSIONS (mm are the original dimensions) A UNIT max. 0.15 0.95 mm ...

Page 13

... Product data sheet 74LVT244A; 74LVTH244A Data sheet status Product data sheet 4: added type numbers 74LVTH244AD, 74LVTH244ADB and 74LVTH244APW. Product specification Product specification Rev. 03 — 15 March 2006 3.3 V octal buffer/line driver; 3-state Change notice Supersedes - 74LVT244A_2 ...

Page 14

Philips Semiconductors 16. Legal information 16.1 Data sheet status [1][2] Document status Product status Objective [short] data sheet Development Preliminary [short] data sheet Qualification Product [short] data sheet Production [1] Please consult the most recently issued document before initiating or ...

Page 15

Philips Semiconductors 18. Contents 1 General description . . . . . . . . . . . . . . . . . . . . . . 1 2 Features . . . . . . . . ...

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