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Toshiba Electronic Components Datasheet

TC74VHC374F Datasheet

OCTAL D-TYPE FLIP-FLOP WITH 3-STATE OUTPUT

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TC74VHC374F/FW/FT
TOSHIBA CMOS Digital Integrated Circuit Silicon Monolithic
TC74VHC374F,TC74VHC374FW,TC74VHC374FT
Octal D-Type Flip Flop with 3-State Output
The TC74VHC374 is an advanced high speed CMOS OCTAL
FLIP-FLOP with 3-STATE OUTPUT fabricated with silicon gate
C2MOS technology.
It achieves the high speed operation similar to equivalent
Bipolar Schottky TTL while maintaining the CMOS low power
dissipation.
This 8-bit D-type flip-flop is controlled by a clock input (CK)
and a output enable input ( OE ).
When the OE input is high, the eight outputs are in a high
impedance state.
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: fmax = 185 MHz (typ.) at VCC = 5 V
Low power dissipation: ICC = 4 µA (max) at Ta = 25°C
High noise immunity: VNIH = VNIL = 28% VCC (min)
Power down protection is provided on all inputs.
Balanced propagation delays: tpLH ∼− tpHL
Wide operating voltage range: VCC (opr) = 2 to 5.5 V
Low noise: VOLP = 0.9 V (max)
Pin and function compatible with 74ALS374
Note: xxxFW (JEDEC SOP) is not available in
Japan.
TC74VHC374F
TC74VHC374FW
TC74VHC374FT
Weight
SOP20-P-300-1.27A
SOP20-P-300-1.27
SOL20-P-300-1.27
TSSOP20-P-0044-0.65A
: 0.22 g (typ.)
: 0.22 g (typ.)
: 0.46 g (typ.)
: 0.08 g (typ.)
1 2006-02-01


Toshiba Electronic Components Datasheet

TC74VHC374F Datasheet

OCTAL D-TYPE FLIP-FLOP WITH 3-STATE OUTPUT

No Preview Available !

Pin Assignment
TC74VHC374F/FW/FT
IEC Logic Symbol
OE 1
Q0 2
D0 3
D1 4
Q1 5
Q2 6
D2 7
D3 8
Q3 9
GND 10
(top view)
20 VCC
19 Q7
18 D7
17 D6
16 Q6
15 Q5
14 D5
13 D4
12 Q4
11 CK
Truth Table
Inputs
OE CK
HX
L
L
L
D
X
X
L
H
X: Don’t care
Z: High impedance
Qn: No change
Output
Z
Qn
L
H
System Diagram
OE (1)
CK (11)
EN
C1
D0 (3)
D1 (4)
D2 (7)
D3 (8)
D4 (13)
D5 (14)
D6 (17)
D7 (18)
1D
(2) Q0
(5) Q1
(6) Q2
(9) Q3
(12) Q4
(15) Q5
(16) Q6
(19) Q7
D0
3
D
D1
4
D
D2
7
D
D3
8
D
D4
13
D
D5
14
D
D6
17
D
D7
18
D
11
CK
CK Q CK Q CK Q CK Q CK Q CK Q CK Q CK Q
1
OE
2 5 6 9 12 15 16 19
Q0 Q1 Q2 Q3 Q4 Q5 Q6 Q7
2 2006-02-01


Part Number TC74VHC374F
Description OCTAL D-TYPE FLIP-FLOP WITH 3-STATE OUTPUT
Maker Toshiba
Total Page 11 Pages
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