74LV244
74LV244 is Octal buffer/line driver manufactured by Nexperia.
description
The 74LV244 is an 8-bit buffer/line driver with 3-state outputs. The device can be used as two 4-bit buffers or one 8-bit buffer. The device features two output enables (1OE and 2OE), each controlling four of the 3-state outputs. A HIGH on n OE causes the outputs to assume a high-impedance OFF-state. Inputs include clamp diodes. This enables the use of current limiting resistors to interface inputs to voltages in excess VCC.
2. Features and benefits
- Wide supply voltage range from 1.0 V to 5.5 V
- CMOS low power dissipation
- Latch-up performance exceeds 100 m A per JESD 78 Class II Level B
- Optimized for low voltage applications: 1.0 V to 3.6 V
- Accepts TTL input levels between VCC = 2.7 V and VCC = 3.6 V
- Typical VOLP (output ground bounce) < 0.8 V at VCC = 3.3 V; Tamb = 25 °C
- Typical VOHV (output VOH undershoot) > 2 V at VCC = 3.3 V; Tamb = 25 °C
- plies with JEDEC standards:
- JESD8-7 (1.65 V to 1.95 V)
- JESD8-5 (2.3 V to 2.7 V)
- JESD8C (2.7 V to 3.6 V)
- JESD36 (4.5 V to 5.5 V)
- ESD protection:
- HBM: ANSI/ESDA/JEDEC JS-001 class 2 exceeds 2000 V
- CDM: ANSI/ESDA/JEDEC JS-002 class C3 exceeds 1000 V
- Specified from -40 °C to +85 °C and from -40 °C to +125 °C
3. Ordering information
Table 1. Ordering information Type number Package
Temperature range
74LV244D
-40 °C to +125 °C
74LV244PW -40 °C to +125 °C
Name Description
Version
SO20 plastic small outline package; 20 leads; body width 7.5 mm SOT163-1
TSSOP20 plastic thin shrink small outline package; 20 leads; body width 4.4 mm
SOT360-1
Nexperia
4. Block diagram
Fig. 1. Functional diagram
2 1A0
4 1A1
6 1A2 1A3 8 1OE 1
18 1Y0
17 2A0
16 1Y1
15...
