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74ALVCH16244 Datasheet

LOW VOLTAGE CMOS 16-BIT BUS BUFFER

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74ALVCH16244
LOW VOLTAGE CMOS 16-BIT BUS BUFFER (3-STATE)
WITH 3.6V TOLERANT INPUTS AND OUTPUTS
s 3.6V TOLERANT INPUTS AND OUTPUTS
s HIGH SPEED :
tPD = 3.0 ns (MAX.) at VCC = 3.0 to 3.6V
tPD = 3.7 ns (MAX.) at VCC = 2.3 to 2.7V
tPD = 5.1 ns (MAX.) at VCC = 1.65V
)s POWER DOWN PROTECTION ON INPUTS
t(sAND OUTPUTS
s SYMMETRICAL OUTPUT IMPEDANCE:
uc|IOH| = IOL = 24mA (MIN) at VCC = 3.0V
d|IOH| = IOL = 12mA (MIN) at VCC = 2.3V
ro )|IOH| = IOL = 4mA (MIN) at VCC = 1.65V
P t(ss OPERATING VOLTAGE RANGE:
VCC(OPR) = 1.65V to 3.6V
te cs BUS HOLD PROVIDED ON DATA INPUTS
le dus PIN AND FUNCTION COMPATIBLE WITH
so ro74 SERIES 16244
s LATCH-UP PERFORMANCE EXCEEDS
b P300mA (JESD 17)
- O tes ESD PERFORMANCE:
) leHBM > 2000V (MIL STD 883 method 3015);
t(s oMM > 200V
c bsDESCRIPTION
u OThe 74ALVCH16244 is a low voltage CMOS 16
rod -BIT BUS BUFFER (NON INVERTED) fabricated
P t(s)with sub-micron silicon gate and five-layer metal
wiring C2MOS technology. It is ideal for low power
te cand very high speed 1.65 to 3.6V applications; it
le ucan be interfaced to 3.6V signal environment for
dboth inputs and outputs.
so roAny nG output control governs four BUS
b PBUFFERS. Output Enable input (nG) tied together
gives full 16-bit operation.
O teWhen nG is LOW, the outputs are enabled. When
lenG is HIGH, the output are in high impedance
ostate.
sActive bus-hold circuitry is provided to hold
Obunused or floating data inputs at a valid logic level.
TSSOP
ORDER CODES
PACKAGE
TSSOP
TUBE
PIN CONNECTION
T&R
74ALVCH16244TTR
This device is designed to be used with 3 state
memory address drivers, etc.
All inputs and outputs are equipped with
protection circuits against static discharge, giving
them 2KV ESD immunity and transient excess
voltage.
February 2003
1/10


STMicroelectronics Electronic Components Datasheet

74ALVCH16244 Datasheet

LOW VOLTAGE CMOS 16-BIT BUS BUFFER

No Preview Available !

74ALVCH16244
INPUT AND OUTPUT EQUIVALENT CIRCUIT
roduct(s))PIN DESCRIPTION
P t(sPIN No
SYMBOL NAME AND FUNCTION
lete uc1
d2, 3, 5, 6
so ro8, 9, 11, 12
b P13, 14, 16, 17
- O te19, 20, 22, 23
24
) le25
t(s so30, 29, 27, 26
c b36, 35, 33, 32
u O41, 40, 38, 37
d -47, 46, 44, 43
ro )48
P t(s4, 10, 15, 21,
te c28, 34, 39, 45
le u7, 18, 31, 42
1G
1Y1 to 1Y4
2Y1 to 2Y4
3Y1 to 3Y4
4Y1 to 4Y4
4G
3G
4A1 to 4A4
3A1 to 3A4
2A1 to 2A4
1A1 to 1A4
2G
GND
VCC
Output Enable Input
Data Outputs
Data Outputs
Data Outputs
Data Outputs
Output Enable Input
Output Enable Input
Data Outputs
Data Outputs
Data Outputs
Data Outputs
Output Enable Input
Ground (0V)
Positive Supply Voltage
so rodTRUTH TABLE
Ob te PINPUTS
leG An
oL L
bs L H
OH X
OUTPUT
Yn
L
H
Z
IEC LOGIC SYMBOLS
X : Don‘t Care
Z : High Impedance
2/10


Part Number 74ALVCH16244
Description LOW VOLTAGE CMOS 16-BIT BUS BUFFER
Maker STMicroelectronics
Total Page 10 Pages
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