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參數(shù)資料
| 型號(hào)： | 74F169 |
| 廠商： | NXP Semiconductors N.V. |
| 元件分類： | 通用總線功能 |
| 英文描述： | 4-bit up/down binary synchronous counter |
| 中文描述： | 4位向上/向下二進(jìn)制同步計(jì)數(shù)器 |
| 文件頁(yè)數(shù)： | 9/12頁(yè) |
| 文件大?。?/td> | 116K |
| 代理商： | 74F169 |
Philips Semiconductors
Product specification
74F169
4-bit up/down binary synchronous counter
1996 Jan 05
9
TIMING DIAGRAM (Typical Load, Count, and Inhibit Sequences)
}
LOAD
7
8
9
0
1
2
2
1
0
9
8
7
COUNT UP
COUNT DOWN
INHIBIT
PE
TC
CEP and CET
U/D
D
0
D
1
D
2
D
3
Q
0
Q
1
Q
2
Q
3
CP
2
SEQUENCE
SF00797
NOTES:
The operation of the 74F169 is similar to the Illustration above.
1. Load (preset) to BCD seven
2. Count up to eight, nine (maximum), zero, one, and two
3. Inhibit
4. Count down to one, zero (minimum), nine, eight, and seven
TEST CIRCUIT AND WAVEFORM
t
w
90%
V
M
10%
90%
V
M
10%
90%
V
M
10%
90%
V
M
10%
NEGATIVE
PULSE
POSITIVE
PULSE
t
w
AMP (V)
0V
0V
t
THL (
t
f
)
INPUT PULSE REQUIREMENTS
rep. rate
t
w
t
TLH
2.5ns
t
THL
2.5ns
1MHz
500ns
Input Pulse Definition
V
CC
family
74F
D.U.T.
PULSE
GENERATOR
R
L
C
L
R
T
V
IN
V
OUT
Test Circuit for Totem-Pole Outputs
DEFINITIONS:
R
L
=
Load resistor;
see AC ELECTRICAL CHARACTERISTICS for value.
Load capacitance includes jig and probe capacitance;
see AC ELECTRICAL CHARACTERISTICS for value.
Termination resistance should be equal to Z
OUT
of
pulse generators.
C
L
=
R
T
=
t
THL (
t
f
)
t
TLH (
t
r
)
t
TLH (
t
r
)
AMP (V)
amplitude
3.0V
1.5V
V
M
SF00006
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| 74F169 | 4-Stage Synchronous Bidirectional Counter |
| 74F169PC | 4-Stage Synchronous Bidirectional Counter |
| 74F169SC | 4-Stage Synchronous Bidirectional Counter |
| 74F169SJ | 4-Stage Synchronous Bidirectional Counter |
| 74F169 | 4-Stage Synchronous Bidirectional Counter |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| 74F169_WFH3026B WAF | 制造商:Fairchild Semiconductor Corporation 功能描述: |
| 74F169DC | 制造商:Texas Instruments 功能描述: |
| 74F169PC | 功能描述:計(jì)數(shù)器 IC 4-State Sy Bidir Ctr RoHS:否 制造商:NXP Semiconductors 計(jì)數(shù)器類型:Binary Counters 邏輯系列:74LV 位數(shù):10 計(jì)數(shù)法: 計(jì)數(shù)順序: 工作電源電壓:1 V to 5.5 V 工作溫度范圍:- 40 C to + 125 C 封裝 / 箱體:SOT-109 封裝:Reel |
| 74F169PC_Q | 功能描述:計(jì)數(shù)器 IC 4-State Sy Bidir Ctr RoHS:否 制造商:NXP Semiconductors 計(jì)數(shù)器類型:Binary Counters 邏輯系列:74LV 位數(shù):10 計(jì)數(shù)法: 計(jì)數(shù)順序: 工作電源電壓:1 V to 5.5 V 工作溫度范圍:- 40 C to + 125 C 封裝 / 箱體:SOT-109 封裝:Reel |
| 74F169SC | 功能描述:計(jì)數(shù)器移位寄存器 4-State Sy Bidir Ctr RoHS:否 制造商:Texas Instruments 計(jì)數(shù)器類型: 計(jì)數(shù)順序:Serial to Serial/Parallel 電路數(shù)量:1 封裝 / 箱體:SOIC-20 Wide 邏輯系列: 邏輯類型: 輸入線路數(shù)量:1 輸出類型:Open Drain 傳播延遲時(shí)間:650 ns 最大工作溫度:+ 125 C 最小工作溫度:- 40 C 封裝:Reel |
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