IDT54FCT16270ATE 반도체 회로 부품 판매점
FAST CMOS 18-BIT R/W BUFFER
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 Integrated Device Technology |
FAST CMOS 18-BIT
R/W BUFFER
IDT54/74FCT162701T/AT
Integrated Device Technology, Inc.
FEATURES:
• 0.5 MICRON CMOS Technology
• Typical tSK(o) (Output Skew) < 250ps
• Low input and output leakage ≤1µA (max.)
• ESD > 2000V per MIL-STD-883, Method 3015;
> 200V using machine model (C = 200pF, R = 0)
• Packages include 25 mil pitch SSOP, 19.6 mil pitch TSSOP,
15.7 mil pitch TVSOP and 25 mil pitch Cerpack
• Extended commercial range of -40°C to +85°C
• Balanced Output Drivers: ±24mA (commercial),
±16mA (military)
• Reduced system switching noise
• Typical VOLP (Output Ground Bounce) < 0.6V at
VCC = 5V, TA = 25°C
• Ideal for new generation x86 write-back cache solutions
• Suitable for modular x86 architectures
• Four deep write FIFO
• Latch in read path
• Synchronous FIFO reset
DESCRIPTION:
The FCT162701T/AT is an 18-bit Read/Write buffer with
a four deep FIFO and a read-back latch. It can be used as
a read/write buffer between a CPU and memory or to
interface a high-speed bus and a slow peripheral. The A-
to-B (write) path has a four deep FIFO for pipelined opera-
tions. The FIFO can be reset and a FIFO full condition is
indicated by the full flag (FF). The B-to-A (read) path has a
latch. A HIGH on LE, allows data to flow transparently from
B-to-A. A LOW on LE allows the data to be latched on the
falling edge of LE.
The FCT162701T/AT has a balanced output drive with
series termination. This provides low ground bounce,
minimal undershoot and controlled output edge rates.
FUNCTIONAL BLOCK DIAGRAM
A1-18
18
RESET
CLK
WCE
RCE
FF
OEAB
FIFO
(4 deep)
OEBA
LATCH
LE
18
B1-18
The IDT logo is a registered trademark of Integrated Device Techology, Inc.
MILITARY AND COMMERCIAL TEMPERATURE RANGES
©1996 Integrated Device Technology, Inc.
5.15
2915 drw 01
AUGUST 1996
DSC-2915/3
1
IDT54/74FCT162701T/AT
FAST CMOS 18-BIT R/W BUFFER
PIN CONFIGURATIONS
OEAB
WCE
A1
GND
A2
A3
VCC
A4
A5
A6
GND
A7
A8
A9
A10
A11
A12
GND
A13
A14
A15
VCC
A16
A17
GND
A18
OEBA
LE
1 56
2 55
3 54
4 53
5 52
6 51
7 50
8 49
9 48
10 47
11 46
12 45
13 44
14 SO56-1 43
SO56-2
15 SO56-3 42
16 41
17 40
18 39
19 38
20 37
21 36
22 35
23 34
24 33
25 32
26 31
27 30
28 29
RCE
CLK
B1
GND
B2
B3
VCC
B4
B5
B6
GND
B7
B8
B9
B10
B11
B12
GND
B13
B14
B15
VCC
B16
B17
GND
B18
FF
RESET
OEAB
WCE
A1
GND
A2
A3
VCC
A4
A5
A6
GND
A7
A8
A9
A10
A11
A12
GND
A13
A14
A15
VCC
A16
A17
GND
A18
OEBA
LE
SSOP/
TSSOP/TVSOP
TOP VIEW 2915 drw 02
MILITARY AND COMMERCIAL TEMPERATURE RANGES
1 56
2 55
3 54
4 53
5 52
6 51
7 50
8 49
9 48
10 47
11 46
12 45
13 44
14 E56-1 43
15 42
16 41
17 40
18 39
19 38
20 37
21 36
22 35
23 34
24 33
25 32
26 31
27 30
28 29
CERPACK
TOP VIEW
RCE
CLK
B1
GND
B2
B3
VCC
B4
B5
B6
GND
B7
B8
B9
B10
B11
B12
GND
B13
B14
B15
VCC
B16
B17
GND
B18
FF
RESET
2915 drw 03
5.15 2
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IDT54FCT16270ATE buffer
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