74AHC595_09 Datasheet, PDF (14/21 Pages) NXP Semiconductors – NPN general-purpose double transistors output latches; 3-state

NXP Semiconductors
74AHC595; 74AHCT595
8-bit serial-in/serial-out or parallel-out shift register with output latches
OE input
V_I
GND
V_CC
output
LOW-to-OFF
OFF-to-LOW
V_OL
output
HIGH-to-OFF
OFF-to-HIGH
V_OH
GND
V_M
t_PLZ
t_PZL
t_PHZ
V_OL + 0.3 V
V_OH − 0.3 V
V_M
t_PZH
V_M
outputs
enabled
outputs
disabled
outputs
enabled
mna450
Measurement points are given in Table 8.
V_OL and V_OH are typical output voltage levels that occur with the output load.
Fig 12. Enable and disable times
Table 8. Measurement points
Type
Input
74AHC595
74AHCT595
V_M
0.5V_CC
1.5 V
Output
V_M
0.5V_CC
0.5V_CC
74AHC_AHCT595_4
Product data sheet
Rev. 04 — 11 August 2009
© NXP B.V. 2009. All rights reserved.
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