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BQ2024 Datasheet, PDF (2/19 Pages) Texas Instruments – 1.5K-BIT SERIAL EPROM WITH SDQ INTERFACE
bq2024
SLUS770 – MAY 2007
www.ti.com
These devices have limited built-in ESD protection. The leads should be shorted together or the device placed in conductive foam
during storage or handling to prevent electrostatic damage to the MOS gates.
ABSOLUTE MAXIMUM RATINGS
over operating free-air temperature range unless otherwise noted(1)
VPU
IOL
TA
TA(Comm)
Tstg
DC voltage applied to data
Low-level output current
ESD IEC 61000-4-2 Air discharge
Operating free-air temperature range
Communication free-air temperature range
Storage temperature range
Lead temperature (soldering, 10 s)
Data to VSS, VSS to data
Communication is specified by design
UNIT
–0.3 V to 7 V
40 mA
15 kV
–20°C to 70°C
–40°C to 85°C
–55°C to 125°C
260°C
(1) Stresses beyond those listed under absolute maximum ratings may cause permanent damage to the device. These are stress ratings
only, and functional operation of the device at these or any other conditions beyond those indicated under recommended operating
conditions is not implied. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability.
DC ELECTRICAL CHARACTERISTICS
TA = –20°C to 70°C; VPU(min) = 2.65 VDC to 5.5 VDC, all voltages relative to VSS
PARAMETER
TEST CONDITION
IDATA Supply current
VOL Low-level output voltage
VOH High-level output voltage
IOL Low-level output current (sink)
VIL Low-level input voltage
VIH High-level input voltage
VPP Programming voltage
VPU = 5.5 V
Logic 0, VPU = 5.5 V, IOL = 4 mA, SDQ pin
Logic 0, VPU = 2.65 V, IOL = 2 mA
Logic 1
VOL = 0.4 V, SDQ pin
Logic 0
Logic 1
MIN TYP MAX UNIT
20 µA
0.4
V
0.4
VPU
5.5
4 mA
0.8 V
2.2
V
11.5
12 V
AC SWITCHING CHARACTERISTCS
TA = –20°C to 70°C; VPU(min) = 2.65 VDC to 5.5 VDC, all voltages relative to VSS
PARAMETER
TEST CONDITION
tc
tWSTRB
tWDSU
tWDH
Bit cycle time(1)
Write start cycle(1)
Write data setup(1)
Write data hold(1)(2)
trec
tRSTRB
tODD
tODHO
tRST
tPPD
tPP
tEPROG
tPSU
tPREC
Recovery time(1)
Read start cycle(1)
Output data delay(1)
Output data hold(1)
Reset time(1)
Presence pulse delay(1)
Presence pulse(1)
EPROM programming time
Program setup time
Program recovery time
For memory command only
(1) 5-kΩ series resistor between SDQ pin and VPU. (See Figure 1)
(2) tWDH must be less than tc to account for recovery.
2
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MIN
60
1
tWSTRB
60
1
5
1
tRSTRB
17
480
15
60
2500
5
5
TYP MAX UNIT
120 µs
15 µs
15 µs
tc µs
µs
13 µs
13 µs
60 µs
µs
60 µs
240 µs
µs
µs
µs