TL7759 Datasheet, PDF (3/6 Pages) Texas Instruments – SUPPLY-VOLTAGE SUPERVISORS

TL7759
SUPPLY-VOLTAGE SUPERVISORS
SLVS042D – JANUARY 1991 – REVISED JULY 1999
electrical characteristics, T_A = 25°C (unless otherwise noted)
PARAMETER
TEST CONDITIONS
TL7759Y
MIN TYP MAX
VOL Low-level output voltage
RESET
VCC = 4.3 V,
IOL = 24 mA
0.4
VIT– Input threshold voltage (negative-going VCC)
4.55
Vres† Power-up reset voltage
RL = 2.2 kΩ
0.8
Vhys‡ Hysteresis at VCC input
50
ICC Supply current
VCC = 4.3 V,
No load
1400
† _{This is the lowest voltage at which RESET becomes active, VCC slew rate ≤ 5 V/µs.}
‡ _{This is the difference between positive-going input threshold voltage, VIT+, and negative-going input threshold voltage, VIT–.}
UNIT
V
V
V
mV
µA
timing diagram
VCC
VIT+
Vres ₀
ÇÇ _RESET
ÇÇ _{Output Undefined}
ÇÇ ^{for VCC Less Than 1 V 0}
VIT–
VIT+
VIT –
Vres
ÇÇÇÇÇÇ _{Output Undefined}
switching characteristics at T_A = 25°C (unless otherwise noted)
PARAMETER
FROM
(INPUT)
TO
(OUTPUT)
TEST CONDITIONS
tPLH
Propagation delay time, low-to high-level output
tPHL
Propagation delay time, high-to low-level output
tr
Rise time
tf
Fall time
tw(min) Minimum pulse duration
§ _{VCC slew rate ≤ 5 V/µs}
VCC
VCC
VCC
RESET
RESET
RESET
RESET
RESET
See Figures 2 and 3§
See Figures 2 and 4
See Figures 2 and 4§
See Figures 2 and 4
See Figures 2 and 4
TL7759C
MIN MAX
5
5
1
1
5
UNIT
µs
µs
µs
µs
µs
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