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参数资料
| 型号： | IDT74LVCH32244A |
| 厂商： | INTEGRATED DEVICE TECHNOLOGY INC |
| 元件分类： | 总线收发器 |
| 英文描述： | LVC/LCX/Z SERIES, OCTAL 4-BIT DRIVER, TRUE OUTPUT, PBGA96 |
| 封装： | LFBGA-96 |
| 文件页数： | 1/7页 |
| 文件大小： | 174K |
| 代理商： | IDT74LVCH32244A |
1
EXTENDEDCOMMERCIALTEMPERATURERANGE
IDT74LVCH32244A
3.3V CMOS 32-BIT BUFFER/LINE DRIVER W/ 3-STATE OUTPUTS
FUNCTIONAL BLOCK DIAGRAM
FEBRUARY 2000
1999
Integrated Device Technology, Inc.
DSC-4766/-
c
IDT74LVCH32244A
APPLICATIONS:
5V and 3.3V mixed voltage systems
Data communication and telecommunication systems
DESCRIPTION:
The LVCH32244A 32-bit buffer/line driver is built using advanced dual
metal CMOS technology. This high-speed, low power device offers bus/
backplane interface capability with improved packing density. The device
has a flow-through organization for simplifying board layout. The three-state
controls operate this device in a Quad-Nibble, Dual-Byte or single 16-bit
word mode. All inputs are designed with hysteresis for improved noise
margin.
All pins of this 32-bit buffer/line driver can be driven from either a 3.3V
or 5V device. This feature allows the use of this device as a translator in
a mixed 3.3V/5V supply system.
The LVCH32244A has been designed with a ±24mA output driver. This
driver is capable of driving a moderate to heavy load while maintaining
speed performance
The LVCH32244A has “bus-hold” which retains the inputs' last state
whenever the input goes to a high impedance. This prevents floating inputs
and eliminates the need for pull-up/down resistors.
EXTENDED COMMERCIAL TEMPERATURE RANGE
3.3V CMOS 32-BIT
BUFFER/LINE DRIVER
WITH 3-STATE OUTPUTS,
5 VOLT TOLERANT I/O, BUS-HOLD
1
A1
1
A2
1
A3
1
A4
1
Y 1
1
OE
1
Y2
1
Y3
1
Y4
2
A 1
2
A2
2
A3
2
A4
2
Y1
2
OE
2
Y2
2
Y3
2
Y4
A3
A5
A6
B5
B6
A4
C5
C6
D5
D6
A2
A1
B2
B1
C2
C1
D2
D1
3
A1
3
A2
3
A3
3
A4
3
Y1
3
OE
3
Y2
3
Y3
3
Y4
4
A1
4
A2
4
A3
4
A4
4
Y 1
4
OE
4
Y 2
4
Y3
4
Y4
H4
E5
E6
F5
F6
H3
G5
G6
H6
H5
G2
G1
H1
H2
E2
E1
F2
F1
5
A1
5
A 2
5
A3
5
A4
5
Y1
5
OE
5
Y2
5
Y3
5
Y4
6
A1
6
A2
6
A3
6
A4
6
Y1
6
OE
6
Y2
6
Y3
6
Y4
J3
J5
J6
K5
K6
J4
L5
L6
M5
M6
J2
J1
K2
K1
L2
L1
M2
M1
7
A1
7
A2
7
A3
7
A4
7
Y1
7
OE
7
Y2
7
Y3
7
Y4
8
A1
8
A2
8
A3
8
A4
8
Y1
8
OE
8
Y2
8
Y 3
8
Y4
T4
N5
N6
P5
P6
N2
N1
P2
P1
T3
R5
R6
T6
T5
R2
R1
T1
T2
Drive Features for LVCH32244A:
–
Balanced Output Drivers: ±24mA
–
Reduced system switching noise
FEATURES:
–
Typical tSK(o) (Output Skew) < 250ps
–
ESD > 2000V per MIL-STD-883, Method 3015;
> 200V using machine model (C = 200pF, R = 0)
–
0.8mm pitch LFBGA package, 96 balls
–
Extended commercial range of -40°C to +85°C
–VCC = 3.3V ±0.3V, Normal Range
–VCC = 2.7V to 3.6V, Extended Range
–
CMOS power levels (0.4 W typ. static)
–
All inputs, outputs and I/O are 5 Volt tolerant
–
Supports hot insertion
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