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參數資料
| 型號： | 5962F9657701VXC |
| 元件分類： | 算術邏輯單元 |
| 英文描述： | ACT SERIES, 4-BIT LOOK-AHEAD CARRY GENERATOR, TRUE OUTPUT, CDFP16 |
| 封裝： | CERAMIC, BOTTOM BRAZED, DFP-16 |
| 文件頁數： | 1/11頁 |
| 文件大小： | 240K |
| 代理商： | 5962F9657701VXC |
1
Standard Products
UT54ACS264/UT54ACTS264
Look-Ahead Carry Generators for Counters
Datasheet
November 2010
www.aeroflex.com/logic
FEATURES
Performs look-ahead carry across n-bit counters
Accommodates active-high or active-low carry
Improves cascaded counters system performance
1.2μ CMOS
- Latchup immune
High speed
Low power consumption
Single 5 volt supply
Available QML Q or V processes
Flexible package
- 16-pin DIP
- 16-lead flatpack
UT54ACS264- SMD 5962-96576
UT54ACTS264 - SMD 5962-96577
DESCRIPTION
The UT54ACS264 and the UT54ACTS264 are look-ahead gen-
erators designed specifically to perform a carry-anticipate across
any number of n-bit counters, thus increasing system clock fre-
quency. A carry enable CE, and carry outputs RCOA and RCOB
are provided for n-bit cascading.
Use the counter with either active-high-carry or active-low-car-
ry counters. For active-high-carry counters, CE is active high,
the A set of inputs and output RCOA are used. The B set of
inputs are connected to a low logic level. For active-low-carry
counters, CE is active low, the B set of inputs and output RCOB
are used. The A set of inputs are connected to a high logic level.
The devices are characterized over full military temperature
range of -55
°C to +125°C.
PINOUTS
16-Pin DIP
Top View
16-Lead Flatpack
Top View
1
2
3
4
5
7
6
16
15
14
13
12
10
11
A1
B1
A0
B0
A3
B3
RCOB
VDD
B2
A2
CE
C0
C1
RCOA
8
9
VSS
C2
1
2
3
4
5
7
6
16
15
14
13
12
10
11
VDD
A1
B1
A0
B0
A3
B3
RCOB
B2
A2
CE
C0
C1
RCOA
VSS
C2
89
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