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PI74FCT2163TW Datasheet

  • PI74FCT2163TW

  • Synchronous Up Counter

  • 6頁(yè)

  • ETC

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MUX
CLR 4-Bit
Register
21098765432121098765432109876543210987654321210987654321098765432109876543212109876543210987654321098765432121098765432109876543210987654321
21098765432121098765432109876543210987654321210987654321098765432109876543212109876543210987654321098765432121098765432109876543210987654321
PI74FCT161T/163T
鈩?/div>
(25鈩?Series) PI74FCT2161T/2163T
High Speed CMOS Synchronous
4-Bit Binary Counters
Product Features
鈥?/div>
PI74FCT161/163/2161/2163T are pin-compatible with
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
bipolar FAST
TM
Series at a higher speed and lower power
consumption
25鈩?series resistor on all outputs (FCT2XXX only)
TTL input and output levels
Low ground bounce outputs (25鈩?series only)
Extremely low static power
Hysteresis on all inputs
Industrial operating temperature range: -40擄C to + 85擄C
Packages available:
- 16-pin 150 mil wide plastic QSOP (Q)
- 16-pin 150 mil wide plastic SOIC (W)
- 16-pin 300 mil wide plastic SOIC (S)
Product Description
Pericom Semiconductor鈥檚 PI74FCT series of logic circuits are
produced in the Company鈥檚 advanced 0.6 micron CMOS technology,
achieving industry leading speed grades. All PI74FCT2XXX devices
have a built-in 25鈩?series resistor on all outputs to reduce noise
owing to reflections, thus eliminating an external terminating
resistor.
The PI74FCT161T and PI74FCT163 are high speed CMOS
synchronous presettable 4-bit binary counters. The 161 has an
asynchronous clear, the 163 has a clocked synchronous clear. Data
is preloaded or the counters count on the rising edge of the clock.
Count enable inputs and terminal count outputs allow these counters
to be cascaded without loss of speed. Preset inputs override count
inputs, and clear inputs override both preset and count inputs. All
inputs have clamp diodes for undershoot noise suppression. All
outputs have ground bounce suppression.
Functional Block Diagram
CET
= FF
25 Ohm
(FCT2XXX Only)
Pin Configurations
TC
MR
CP
D0
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
V
CC
TC
Q0
Q1
Q2
Q3
CET
PE
163 Only
CEP
D3-C0
PE
Cin Q+Cin
Q3-Q0
25 Ohm
(FCT2XXX Only)
D1
D2
D3
CEP
GND
MR
CP
161 Only
V
1
PS2083B
10/08/01

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