74HC191PW,118 NXP Semiconductors, 74HC191PW,118 Datasheet - Page 12

• Manufacturer Part Number: 74HC191PW,118
• Description: IC 4BIT BINARY UP/DN CNT 16TSSOP
• Manufacturer: NXP Semiconductors
• Series: 74HCr

Specifications of 74HC191PW,118

• Package / Case: 16-TSSOP
• Logic Type: Binary Counter
• Direction: Up, Down
• Number Of Elements: 1
• Number Of Bits Per Element: 4
• Timing: Synchronous
• Count Rate: 39MHz
• Trigger Type: Positive Edge
• Voltage - Supply: 2 V ~ 6 V
• Operating Temperature: -40°C ~ 125°C
• Mounting Type: Surface Mount
• Counter Type: Binary Counters
• Logic Family: 74HC
• Number Of Bits: 4
• Counting Method: Synchronous
• Counting Sequence: Up/Down
• Operating Supply Voltage: 2 V to 6 V
• Operating Temperature Range: - 40 C to + 125 C
• Mounting Style: SMD/SMT
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Reset: -
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant
• Other names: 74HC191PW-T; 74HC191PW-T; 935188370118

Philips Semiconductors
AC WAVEFORMS
December 1990
Presettable synchronous 4-bit binary
up/down counter
(1) HC : V
Fig.10 Waveforms showing the clock (CP) to output (Q
(1) HC : V
Fig.11 Waveforms showing the clock and count enable inputs (CP, CE) to ripple clock output (RC) propagation
(1) HC : V
HCT : V
HCT : V
HCT : V
maximum clock pulse frequency.
delays.
M
M
M
M
M
M
= 50%; V
= 1.3 V; V
= 50%; V
= 1.3 V; V
= 50%; V
= 1.3 V; V
I
I
I
Fig.12 Waveforms showing the input (D
I
I
I
= GND to V
= GND to V
= GND to V
= GND to 3 V.
= GND to 3 V.
= GND to 3 V.
CC
CC
CC
.
.
.
12
n
) propagation delays, the clock pulse width and the
n
) to output (Q
n
) propagation delays.
74HC/HCT191
Product specification