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74LVTH16244 Datasheet

LOW VOLTAGE BICMOS 16 BIT BUS BUFFER

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74LVTH16244
LOW VOLTAGE BICMOS 16 BIT BUS BUFFER
WITH BUS HOLD AND POWER UP 3-STATE
s HIGH SPEED:
tPD = 3.2ns (MAX.) at TA = 85°C VCC = 3.0V
s LOW POWER DISSIPATION HIGH LEVEL
OUTPUT: ICC = 190µA (MAX.) at TA = 85°C
s OUTPUT IMPEDANCE:
)|IOH| = 32mA, IOL = 64mA (MIN at VCC = 3.0V)
t(s|IOH| = 8mA, IOL = 24mA (MIN at VCC = 2.7V)
s BALANCED PROPAGATION DELAYS:
uctPLH tPHL
ds POWER DOWN PROTECTION ON INPUTS
ro )AND OUTPUTS
P t(ss COMPATIBLE WITH TTL OUTPUTS:
VIH = 2V (MIN),VIL = 0.8V(MAX) at
lete ucVCC = 2.7 to 3.6V
ds POWER-UP/DOWN 3-STATE: IOZPU = 100µA
so roMAX at VCC = 0V to 1.5V, VCC = 1.5V to 0V, TA
= 85°C
b Ps BUS HOLD PROVIDED ON DATA INPUTS
- O tes OPERATING VOLTAGE RANGE:
) leVCC(OPR) = 2.7V to 3.6V
t(s os PIN AND FUNCTION COMPATIBLE WITH
s74 SERIES H16244
c bs LATCH-UP PERFORMANCE EXCEEDS
u O500mA (JESD 17)
Prod t(s) -DESCRIPTION
The 74LVTH16244 is a low voltage BiCMOS 16
te cBIT BUS BUFFER (NON-INVERTED) fabricated
le uwith sub-micron silicon gate and five-layer metal
o dwiring BiCMOS technology. It is ideal and full
s rospecified for hot-insertion and high speed 3.3V ap-
b Pplications; the power-up/down 3-state circuitry
O teplaces the outputs in the high impedance state
during power-up/down, which prevents driver con-
leflict. This function is guaranteed when VCC is be-
otween 0 and 1.5V. It can be interfaced to 3.3V sig-
bsnal environment for both inputs and outputs. Any
OnG output control governs four BUS BUFFERS.
TSSOP
ORDER CODES
PACKAGE
TSSOP48
TFBGA54
LOGIC DIAGRAM
TFBGA
T&R
74LVTH16244TTR
74LVTH16244LBR
Output Enable input (nG) tied together gives full
16-bit operation. When nG is LOW, the outputs
are on. When nG is HIGH, the output are in high
impedance state effectively isolated. Bus hold on
data inputs is provided in order to eliminate the
need for external pull-up or pull-down resistors.
All inputs and outputs are equipped with protec-
tion circuits against static discharge, giving them
ESD immunity and transient excess voltage.
February 2004
1/13


STMicroelectronics Electronic Components Datasheet

74LVTH16244 Datasheet

LOW VOLTAGE BICMOS 16 BIT BUS BUFFER

No Preview Available !

74LVTH16244
INPUT AND OUTPUT EQUIVALENT CIRCUIT
lete Produucctt((ss))PIN DESCRIPTION
so rodTFBGA PIN No
- Ob te PA3, J3
A6, B5, B6, C5, C6, D5, D6, E5, E6,
) leF5, F6, G5, G6, H5, H6, J6
t(s oA1, B2, B1, C2, C1, D2, D1, E2, E1,
sF2, F1, G2, G1, H2, H1, J1
c bJ4, A4
du - OD3, D4, E3, E4, F3, F4
ro )A2, A5, B3, B4, H3, H4, J2, J5
OObbssoolleettee PProduct(sC4, G4, C3, G3
TSSOP PIN No
1, 24
47, 46, 44, 43, 41, 40, 38, 37,
36, 35, 33, 32, 30, 29, 27, 26
2, 3, 5, 6, 8, 9, 11, 12,
13, 14, 16, 17, 19, 20, 22, 23
25, 48
4, 10, 15, 21, 28, 34, 39, 45
-
42, 31, 7, 18
SYMBOL NAME AND FUNCTION
1G, 4G Output Enable Inputs
1A1-4,2A1-4 Data Inputs
3A1-4, 4A1-4
1Y1-4,2Y1-4 Data Outputs
3Y1-4, 4Y1-4
3G, 2G Output Enable Inputs
GND Ground (0V)
NC No Connected
VCC Positive Supply Voltage
2/13


Part Number 74LVTH16244
Description LOW VOLTAGE BICMOS 16 BIT BUS BUFFER
Maker STMicroelectronics
Total Page 13 Pages
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