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PDF ( 数据手册 , 数据表 ) 74VHCT16240A

零件编号 74VHCT16240A
描述 16-BIT BUS BUFFER
制造商 ST Microelectronics
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74VHCT16240A 数据手册, 描述, 功能
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74VHCT16240A
16-BIT BUS BUFFER
WITH 3-STATE OUTPUTS (INVERTED)
s HIGH SPEED: tPD = 5.6 ns (TYP.) at VCC = 5V
s LOW POWER DISSIPATION:
ICC = 4 µA (MAX.) at TA=25°C
s COMPATIBLE WITH TTL OUTPUTS:
VIH = 2V (MIN.), VIL = 0.8V (MAX)
s POWER DOWN PROTECTION ON INPUTS
& OUTPUTS
s SYMMETRICAL OUTPUT IMPEDANCE:
|IOH| = IOL = 8 mA (MIN)
s BALANCED PROPAGATION DELAYS:
tPLH tPHL
s OPERATING VOLTAGE RANGE:
VCC(OPR) = 4.5V to 5.5V
s IMPROVED LATCH-UP IMMUNITY
s LOW NOISE: VOLP = 0.9V (MAX.)
DESCRIPTION
The 74VHCT16240A is an advanced high-speed
CMOS 16-BIT BUS BUFFER (3-STATE)
fabricated with sub-micron silicon gate and
double-layer metal wiring C2MOS technology.
Any nG output control governs four BUS
BUFFERS. Output Enable inputs (nG) tied
together give full 16 bit operation.
When nG is LOW, the outputs are on. When nG is
HIGH, the output are in high impedance state.
This device is designed to be used with 3 state
memory address drivers, etc.
Power down protection is provided on all inputs
and outputs and 0 to 7V can be accepted on
inputs with no regard to the supply voltage. This
device can be used to interface 5V to 3V since all
inputs are equipped with TTL threshold
All inputs and outputs are equipped with
protection circuits against static discharge, giving
them 2KV ESD immunity and transient excess
voltage.
TSSOP
ORDER CODES
PACKAGE
TSSOP
TUBE
PIN CONNECTION
T&R
74VHCT16240ATTR
February 2003
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74VHCT16240A pdf, 数据表
www.DataSheet4U.com
74VCHT16240A
DIM.
A
A1
A2
b
c
D
E
E1
e
K
L
MIN.
0.05
0.17
0.09
12.4
6.0
0.50
TSSOP48 MECHANICAL DATA
mm.
TYP
0.9
8.1 BSC
0.5 BSC
MAX.
1.2
0.15
0.27
0.20
12.6
6.2
0.75
MIN.
inch
TYP.
0.002
0.0067
0.0035
0.488
0.236
0.020
0.035
0.318 BSC
0.0197 BSC
MAX.
0.047
0.006
0.011
0.0079
0.496
0.244
0.030
A A2
A1 b
e
D
K
c
L
E
E1
PIN 1 IDENTIFICATION
1
8/10
7065588C
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