74HC7403 Datasheet, PDF (20/28 Pages) NXP Semiconductors – 4-Bit x 64-word FIFO register; 3-state

Philips Semiconductors
4-Bit x 64-word FIFO register; 3-state
Product specification
74HC/HCT7403
handbook, halfpage
MR INPUT
VM ⁽¹⁾
t _rem
SI INPUT
VM ⁽¹⁾
MGA665
(1) HC : V_M = 50%; V_I = GND to V_CC.
HCT: V_M = 1.3 V; V_I = GND to 3 V.
Fig.15 Waveform showing the MR input to SI input removal time.
handbook, full pagewidth
tr
tf
OE INPUT
10 %
90 %
VM ⁽¹⁾
t _PLZ
Qn OUTPUT
LOW - to - OFF
OFF - to - LOW
Q n OUTPUT
HIGH - to - OFF
OFF - to - HIGH
t _PHZ
10 %
90 %
MGA656
outputs
enabled
t _PZL
VM ⁽¹⁾
t _PZH
outputs
disabled
VM ⁽¹⁾
outputs
enabled
(1) HC : V_M = 50%; V_I = GND to V_CC.
HCT: V_M = 1.3 V; V_I = GND to 3 V.
Fig.16 Waveforms showing the 3-state enable and disable times for input OE.
September 1993
20