74HC244_05 Datasheet, PDF (13/22 Pages) NXP Semiconductors – Octal buffer/line driver; 3-state

Philips Semiconductors
74HC244; 74HCT244
Octal buffer/line driver; 3-state
V_I
nOE input
GND
V_CC
nYn output
LOW- to - OFF
OFF- to - LOW
V_OL
V_OH
nYn output
HIGH- to - OFF
OFF- to - HIGH
GND
V_M
t _PLZ
t _PZL
t _PHZ
V_X
V_Y
outputs
enabled
V_M
t _PZH
V_M
outputs
disabled
outputs
enabled
001aae014
Fig 7.
Measurement points are given in Table 11.
V_OL and V_OH are typical voltage output drop that occur with the output load.
3-state enable and disable times
Table 11: Measurement points
Type
Input
74HC244
74HCT244
V_M
0.5V_CC
1.3 V
Output
V_M
0.5V_CC
1.3 V
74HC_HCT244_3
Product data sheet
Rev. 03 — 22 December 2005
© Koninklijke Philips Electronics N.V. 2005. All rights reserved.
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