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參數(shù)資料
| 型號(hào)： | TC74VHC161FK |
| 廠商： | Toshiba Corporation |
| 元件分類(lèi)： | 通用總線功能 |
| 英文描述： | Synchronous Presettable 4-Bit Counter |
| 中文描述： | 同步可預(yù)置4位計(jì)數(shù)器 |
| 文件頁(yè)數(shù)： | 1/15頁(yè) |
| 文件大?。?/td> | 334K |
| 代理商： | TC74VHC161FK |
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TC74VHC161,163F/FN/FT/FK
2007-10-01
1
TOSHIBA CMOS Digital Integrated Circuit Silicon Monolithic
TC74VHC161F, TC74VHC161FN, TC74VHC161FT,TC74VHC161FK
TC74VHC163F, TC74VHC163FN, TC74VHC163FT,TC74VHC163FK
Synchronous Presettable 4-Bit Counter
TC74VHC161F/FN/FT/FK Binary,
Asynchronous Clear
TC74VHC163F/FN/FT/FK Binary,
Synchronous Clear
The TC74VHC 161 and 163 are advanced high speed CMOS
SYNCHRONOUS PRESETTABLE 4 BIT BINARY COUNTERs
fabricated with silicon gate C
2
MOS technology.
They achieve the high speed operation similar to equivalent
Bipolar Schottky TTL while maintaining the CMOS low power
dissipation.
The CK input is active on the rising edge. Both
LOAD
and
CLR
inputs are active on low logic level.
Presetting of each IC’s is synchronous to the rising edge of CK.
The clear function of the TC74VHC163 is synchronous to CK,
while the TC74VHC161 are cleared asynchronously.
Two enable inputs (ENP and ENT) and CARRY OUTPUT are
provided to enable easy cascading of counters, which facilitates
easy implementation of n-bit counters without using external
gates.
An input protection circuit ensures that 0 to 5.5 V can be
applied to the input pins without regard to the supply voltage.
This device can be used to interface 5 V to 3 V systems and two
supply systems such as battery back up. This circuit prevents
device destruction due to mismatched supply and input voltages.
Features
High speed: f
max
=
185 MHz (typ.) at V
CC
=
5 V
Low power dissipation: I
CC
=
4
μ
A (max) at Ta
=
25°C
High noise immunity: V
NIH
=
V
NIL
= 28% V
CC
(min)
Power down protection is provided on all inputs.
Balanced propagation delays: t
pLH
～
t
pHL
Wide operating voltage range: V
CC
(opr)
=
2 to 5.5 V
Low noise: V
OLP
=
0.8 V (max)
Pin and function compatible with 74ALS161/163
Weight
SOP16-P-300-1.27A
SOL16-P-150-1.27
TSSOP16-P-0044-0.65A : 0.06 g (typ.)
VSSOP16-P-0030-0.50
: 0.18 g (typ.)
: 0.13 g (typ.)
: 0.02 g (typ.)
Note: xxxFN (JEDEC SOP) is not available in
Japan.
TC74VHC161F, TC74VHC163F
TC74VHC161FN, TC74VHC163FN
TC74VHC161FT, TC74VHC163FT
TC74VHC161FK, TC74VHC163FK
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| TC74VHC163FK | Synchronous Presettable 4-Bit Counter |
| TC74VHC164FK | 8-Bit Shift Register (S-IN, P-OUT) |
| TC74VHC165FK | 8-Bit Shift Register (P-IN, S-OUT) |
| TC74VHC175FK | Quad D-Type Flip Flop with Clear |
| TC74VHC238FK | 3-to-8 Line Decoder |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| TC74VHC161FK(EL) | 制造商:Toshiba America Electronic Components 功能描述:Logic,TC74VHC,Sync. Binary Counter,US16 |
| TC74VHC161FN | 制造商:Toshiba America Electronic Components 功能描述:COUNTER SGL 4BIT SYNC BINARY UP 16PIN SOL - Rail/Tube |
| TC74VHC161FT | 制造商:Toshiba America Electronic Components 功能描述:IC TC74VHC161FT BIN COUNTER |
| TC74VHC161FT(EL) | 制造商:Toshiba America Electronic Components 功能描述:IC,Logic,74VHC Series TSSOP16,SYNC.BINA |
| TC74VHC161-FT(SPL) | 制造商:Toshiba America Electronic Components 功能描述: |
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