74HC377(2013) 查看數據表（PDF） - NXP Semiconductors.
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74HC377 Datasheet PDF : 20 Pages
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74HC377; 74HCT377
Octal D-type flip-flop with data enable; positive-edge trigger
Rev. 3 — 25 September 2013
Product data sheet
1. General description
The 74HC377; 74HCT377 is an octal positive-edge triggered D-type flip-flop. The device
features clock (CP) and data enable (E) inputs. When E is LOW, the outputs Qn assume
the state of their corresponding Dn inputs that meet the set-up and hold time requirements
on the LOW-to-HIGH clock (CP) transition. Input E must be stable one set-up time prior to
the LOW-to-HIGH transition for predictable operation. Inputs include clamp diodes that
enable the use of current limiting resistors to interface inputs to voltages in excess of VCC.
2. Features and benefits
Common clock and master reset
Eight positive edge-triggered D-type flip-flops
Complies with JEDEC standard no. 7A
Input levels:
For 74HC377: CMOS level
For 74HCT377: TTL level
ESD protection:
HBM JESD22-A114F exceeds 2000 V
MM JESD22-A115-A exceeds 200 V.
Multiple package options
Specified from 40 C to +85 C and from 40 C to +125 C
3. Ordering information
Table 1. Ordering information
Type number Package
Temperature range Name Description
74HC377N 40 C to +85 C DIP20 plastic dual in-line package; 20 leads (300 mil)
74HCT377N
74HC377D 40 C to +85 C SO20
plastic small outline package; 20 leads; body width 7.5 mm
74HCT377D
74HC377DB 40 C to +85 C
74HCT377DB
SSOP20 plastic shrink small outline package; 20 leads; body width
5.3 mm
74HC377PW 40 C to +85 C
74HCT377PW
TSSOP20 plastic thin shrink small outline package; 20 leads; body
width 4.4 mm
Version
SOT146-1
SOT163-1
SOT339-1
SOT360-1
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