74HC40105N,652 NXP Semiconductors, 74HC40105N,652 Datasheet - Page 11

• Manufacturer Part Number: 74HC40105N,652
• Description: IC FIFO REGISTER 4X16 16DIP
• Manufacturer: NXP Semiconductors
• Series: 74HCr

Specifications of 74HC40105N,652

• Function: Asynchronous
• Memory Size: 64 (4 x 16)
• Data Rate: 25MHz
• Voltage - Supply: 2 V ~ 6 V
• Mounting Type: Through Hole
• Package / Case: 16-DIP (0.300", 7.62mm)
• Logic Family: HC
• Logical Function: FIFO Register
• Number Of Elements: 1
• Number Of Bits: 4
• Number Of Inputs: 4
• Number Of Outputs: 4
• High Level Output Current: -7.8mA
• Low Level Output Current: 7.8mA
• Propagation Delay Time: 750ns
• Operating Supply Voltage (typ): 5V
• Operating Supply Voltage (max): 6V
• Operating Supply Voltage (min): 2V
• Output Type: 3-State
• Polarity: Non-Inverting
• Technology: CMOS
• Frequency (max): 36(Typ)MHz
• Mounting: Through Hole
• Pin Count: 16
• Operating Temp Range: -40C to 125C
• Operating Temperature Classification: Automotive
• Quiescent Current: 8uA
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Operating Temperature: -
• Access Time: -
• Lead Free Status / Rohs Status: Compliant
• Other names: 74HC40105N; 74HC40105N; 933669660652

Philips Semiconductors
AC WAVEFORMS
Shifting in sequence FIFO empty to FIFO full
With FIFO full; SI held HIGH in anticipation of empty location
1998 Jan 23
4-bit x 16-word FIFO register
(1) HC : V
Fig.6
(1) HC : V
Fig.7
HCT : V
HCT : V
Waveforms showing the SI input to DIR output propagation
delay. The SI pulse width and SI maximum pulse frequency.
Waveforms showing bubble-up delay, SO input to DIR output
and DIR output pulse width.
M
M
M
M
= 50%; V
= 50%; V
= 1.3 V; V
= 1.3 V; V
I
I
I
I
= GND to V
= GND to V
= GND to 3 V.
= GND to 3 V.
CC
CC
.
.
11
Notes to Fig.6
1. DIR initially HIGH; FIFO is
2. SI set HIGH; data loaded into
3. DIR drops LOW, input stage
4. DIR goes HIGH, status flag
5. SI set LOW; necessary to
6. Repeat process to load 2nd word
7. DIR remains LOW: with attempt
Notes to Fig.7
1. FIFO is initially, shift-in is held
2. SO pulse; data in the output
3. DIR HIGH; when empty location
4. DIR returns to LOW; FIFO is full
5. SI brought LOW; necessary to
prepared for valid data.
input stage.
“busy”.
indicates FIFO prepared for
additional data; data from first
location “ripple through”.
complete shift-in process.
through to 16th word into FIFO.
to shift into full FIFO, no data
transfer occurs.
HIGH.
stage is unloaded, “bubble-up
process of empty locations
begins”.
reached input stage, flag
indicates FIFO is prepared for
data input.
again.
complete whidt-in process, DIR
remains LOW, because FIFO is
full.
74HC/HCT40105
Product specification