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參數(shù)資料
| 型號(hào)： | 74LVCH32374A |
| 廠商： | NXP Semiconductors N.V. |
| 英文描述： | 32-bit edge-triggered D-type flip-flop with 5V tolerant inputs/outputs;3-state(具有5V輸入輸出容限的32位邊沿觸發(fā)D觸發(fā)器（三態(tài)）) |
| 中文描述： | 32位邊沿觸發(fā)D型觸發(fā)器具有5V /輸出;寬容觸發(fā)器輸入3態(tài)（具有5V的輸入輸出容限的32位邊沿觸發(fā)?觸發(fā)器（三態(tài)）） |
| 文件頁數(shù)： | 2/16頁 |
| 文件大?。?/td> | 77K |
| 代理商： | 74LVCH32374A |
1999 Nov 24
2
Philips Semiconductors
Product specification
32-bit edge-triggered D-type flip-flop with
5 V tolerant inputs/outputs; 3-state
74LVCH32374A
FEATURES
5 V tolerant inputs/outputs for interfacing with 5 V logic
Wide supply voltage range from 1.2 to 3.6 V
CMOS low power consumption
MULTIBYTE
flow-trough standard pin-out architecture
Low inductance multiple power and ground pins for
minimum noise and ground bounce
Direct interface with TTL levels
Bus hold on data inputs
Typical output ground bounce voltage:
V
OLP
< 0.8 V at V
CC
= 3.3 V and T
amb
= 25
°
C
Typical output undershoot voltage:
V
OHV
> 2 V at V
CC
= 3.3 V and T
amb
= 25
°
C
Power off disables outputs, permitting live insertion
Packaged in plastic fine-pitch ball grid array package.
DESCRIPTION
The 74LVCH32374A is a high-performance, low-power,
low-voltage, Si-gate CMOS device, superior to most
advanced CMOS compatible TTL families.
The inputs can be driven from either 3.3 or 5 V devices. In
3-state operation, the outputs can handle 5 V. These
features allow the use of these devices in a mixed
3.3 or 5 V environment.
The 74LVCH32374A is a 32-bit edge-triggered flip-flop
featuring separate D-type inputs for each flip-flop and
3-state outputs for bus oriented applications. The
74LVCH32374A consists of 4 sections of eight
edge-triggered flip-flops. A clock (nCP) input and an
output enable input (nOE) are provided per 8-bit section.
The flip-flops will store the state of their individual D-inputs
that meet the set-up and hold time requirements on the
LOW-to-HIGH nCP transition.
When input nOE is LOW, the contents of the flip-flops are
available at the outputs. When input nOE is HIGH, the
outputs go to the high-impedance OFF-state. Operation of
the nOE input does not affect the state of the flip-flops.
The 74LVCH32374A bus hold data input circuits eliminate
the need for external pull-up resistors to hold unused
inputs.
QUICK REFERENCE DATA
GND = 0 V; T
amb
= 25
°
C; t
r
= t
f
≤
2.5 ns
Note
1.
C
PD
is used to determine the dynamic power dissipation (P
D
in
μ
W).
P
D
= C
PD
×
V
CC2
×
f
i
+
Σ
(C
L
×
V
CC2
×
f
o
) where:
f
i
= input frequency in MHz;
f
o
= output frequency in MHz;
C
L
= output load capacitance in pF;
V
CC
= supply voltage in Volts;
Σ
(C
L
×
V
CC2
×
f
o
) = sum of the outputs.
SYMBOL
PARAMETER
CONDITIONS
TYPICAL
UNIT
t
PHL
/t
PLH
f
max
C
I
C
PD
propagation delay nCP to nQ
n
maximum clock frequency
input capacitance
power dissipation capacitance per
buffer
C
L
= 50 pF; V
CC
= 3.3 V
3.8
150
5.0
30
ns
MHz
pF
pF
V
I
= GND to V
CC
; note 1
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參數(shù)描述 |
|---|---|
| 74LVCH32374AEC | 功能描述:觸發(fā)器 32-BIT 5V TOLERANT BUFFER D FL RoHS:否 制造商:Texas Instruments 電路數(shù)量:2 邏輯系列:SN74 邏輯類型:D-Type Flip-Flop 極性:Inverting, Non-Inverting 輸入類型:CMOS 輸出類型: 傳播延遲時(shí)間:4.4 ns 高電平輸出電流:- 16 mA 低電平輸出電流:16 mA 電源電壓-最大:5.5 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:X2SON-8 封裝:Reel |
| 74LVCH32374AEC,518 | 功能描述:觸發(fā)器 32-BIT 5V TOLERANT RoHS:否 制造商:Texas Instruments 電路數(shù)量:2 邏輯系列:SN74 邏輯類型:D-Type Flip-Flop 極性:Inverting, Non-Inverting 輸入類型:CMOS 輸出類型: 傳播延遲時(shí)間:4.4 ns 高電平輸出電流:- 16 mA 低電平輸出電流:16 mA 電源電壓-最大:5.5 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:X2SON-8 封裝:Reel |
| 74LVCH32374AEC,551 | 功能描述:觸發(fā)器 32-BIT 5V TOLERANT RoHS:否 制造商:Texas Instruments 電路數(shù)量:2 邏輯系列:SN74 邏輯類型:D-Type Flip-Flop 極性:Inverting, Non-Inverting 輸入類型:CMOS 輸出類型: 傳播延遲時(shí)間:4.4 ns 高電平輸出電流:- 16 mA 低電平輸出電流:16 mA 電源電壓-最大:5.5 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:X2SON-8 封裝:Reel |
| 74LVCH32374AEC,557 | 功能描述:觸發(fā)器 32-BIT 5V TOLERANT RoHS:否 制造商:Texas Instruments 電路數(shù)量:2 邏輯系列:SN74 邏輯類型:D-Type Flip-Flop 極性:Inverting, Non-Inverting 輸入類型:CMOS 輸出類型: 傳播延遲時(shí)間:4.4 ns 高電平輸出電流:- 16 mA 低電平輸出電流:16 mA 電源電壓-最大:5.5 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:X2SON-8 封裝:Reel |
| 74LVCH32374AEC/G | 功能描述:緩沖器和線路驅(qū)動(dòng)器 32-BIT 5V TOLERANT BUFFER D FL RoHS:否 制造商:Micrel 輸入線路數(shù)量:1 輸出線路數(shù)量:2 極性:Non-Inverting 電源電壓-最大:+/- 5.5 V 電源電壓-最小:+/- 2.37 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:MSOP-8 封裝:Reel |
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