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PDF TC74AC377 Data sheet ( Hoja de datos )
| Número de pieza | TC74AC377 | |
| Descripción | dvanced high speed CMOS OCTAL D-TYPE FLIP-FLOP fabricated | |
| Fabricantes | Toshiba Semiconductor | |
| Logotipo |  |
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TOSHIBA
TC74AC Series
TC74AC377
Features:
• High Speed: fMAX = 140MHz (typ.) at VCC = 5V
• Low Power Dissipation: ICC = 8µA (max.) at Ta = 25°C
• High Noise Immunity: VNIH = VNIL = 28% VCC (min.)
• Symmetrical Output Impedance: IOH = IOL = 24mA
(min.). Capability of driving 50Ω transmission lines.
• Balanced Propagation Delays: tpLH = tpHL
• Wide Operating Voltage Range: VCC (opr.) = 2V~5.5V
• Pin and Function Compatible with 74F377
• Available in DIP, SOIC and SOP Packages
The TC74AC377 is an advanced high speed CMOS OCTAL
D-TYPE FLIP-FLOP fabricated with silicon gate and double-
layer metal wiring C2MOS technology.
It achieves the high speed operation similar to equivalent
Bipolar Schottky TTL, while maintaining the CMOS low
power dissipation.
These 8-bit D-type flip-flops are controlled by a clock input
(CK) and a output enable input (G).
The signal level applied to the D inputs are transferred to Q
outputs during the positive going transition of CK.
When the G is high, the eight outputs are in a high imped-
ance state.
All inputs are equipped with protection circuits against
static discharge or transient excess voltage.
Pin Assignment
G1
Q1 2
D1 3
20 VCC
19 Q8
18 D8
Truth Table
INPUTS
G CLOCK
DATA
OUTPUT
Q
D2 4
Q2 5
Q3 6
17 D7
16 Q7
15 Q6
H
L
DataSheet4U.com
X
X NO CHANGE
LL
DataShee
D3 7
14 D6
L HH
D4 8
Q4 9
13 D5
12 Q5
X X NO CHANGE
GND 10
11 CK
X: Don’t care
(TOP VIEW)
IEC Logic Symbol
G (1)
(11)
CK
(3)
D1 (4)
D2 (7)
D3 (8)
D4 (13)
D5 (14)
D6 (17)
D7 (18)
D8
G1
1C2
2D
(2)
Q1
(5)
Q2
(6)
Q3
(9)
(12) Q4
(15) Q5
(16) Q6
(19) Q7
Q8
The information contained here is subject to change without notice.
The information contained herein is presented only as guide for the applications of our products. No responsibility is assumed by TOSHIBA for any infringements of patents or other rights of the third parties
which may result from its use. No license is granted by implication or otherwise under any patent or patent rights of TOSHIBA or others. These TOSHIBA products are intended for usage in general electronic
equipments (office equipment, communication equipment, measuring equipment, domestic electrification, etc.) Please make sure that you consult with us before you use these TOSHIBA products in equip-
DataSheet4U.comments which require high quality and/or reliability, and in equipments which could have major impact to the welfare of human life (atomic energy control, spaceship, traffic signal, combustion control, all types
of safety devices, etc.). TOSHIBA cannot accept liability to any damage which may occur in case these TOSHIBA products were used in the mentioned equipments without prior consultation with TOSHIBA.
TOSHIBA CORPORATION
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