BQ2022A_17 Datasheet, PDF (5/37 Pages) Texas Instruments – 1K-Bit Serial EPROM with SDQ Interface

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bq2022A
SLUS724E – SEPTEMBER 2006 – REVISED MARCH 2016
6.4 Thermal Information
THERMAL METRIC⁽¹⁾
bq2022A
DBZ (3 PINS) LP (3 PINS)
UNIT
R_θJA
R_θJC(top)
R_θJB
ψ_JT
ψ_JB
R_θJC(bot)
Junction-to-ambient thermal resistance
Junction-to-case (top) thermal resistance
Junction-to-board thermal resistance
Junction-to-top characterization parameter
Junction-to-board characterization parameter
Junction-to-case (bottom) thermal resistance
244.3
104.9
93.1
4.8
66.4
n/a
158.5
55.6
n/a
26.8
137.8
n/a
°C/W
(1) For more information about traditional and new thermal metrics, see the IC Package Thermal Metrics application report, SPRA953.
6.5 Electrical Characteristics: DC
T_A = –20°C to 70°C; V_PU(min) = 2.65 V_DC to 5.5 V_DC, all voltages relative to VSS
PARAMETER
TEST CONDITIONS
I_DATA
V_OL
V_OH
I_OL
V_IL
V_IH
V_PP
Supply current
Low-level output voltage
High-level output voltage
Low-level output current (sink)
Low-level input voltage
High-level input voltage
Programming voltage
V_PU = 5.5 V
Logic 0, V_PU = 5.5 V, I_OL = 4 mA, SDQ pin
Logic 0, V_PU = 2.65 V, I_OL = 2 mA
Logic 1
V_OL = 0.4 V, SDQ pin
Logic 0
Logic 1
MIN TYP MAX UNIT
20
μA
0.4
V
0.4
V_PU
5.5
4 mA
0.8
V
2.2
V
11.5
12
V
6.6 Switching Characteristics: AC
T_A = –20°C to 70°C; V_PU(min) = 2.65 V_DC to 5.5 V_DC, all voltages relative to VSS
PARAMETER
TEST CONDITIONS
t_c
t_WSTRB
t_WDSU
t_WDH
t_rec
Bit cycle time ⁽¹⁾
Write start cycle ⁽¹⁾
Write data setup ⁽¹⁾
Write data hold ^{(1) (2)}
Recovery time ⁽¹⁾
For memory command only
t_RSTRB
t_ODD
t_ODHO
t_RST
t_PPD
t_PP
t_EPROG
t_PSU
t_PREC
t_PRE
t_PFE
t_RSTREC
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
Program rising-edge time
Program falling-edge time
(1) 5-kΩ series resistor between SDQ pin and V_PU. (See Figure 18.)
(2) t_WDH must be less than t_c to account for recovery.
MIN
60
1
t_WSTRB
60
1
5
1
t_RSTRB
17
480
15
60
2500
5
5
480
MAX
120
15
15
t_c
13
13
60
60
240
5
5
UNIT
μs
μs
μs
μs
μs
μs
μs
μs
μs
μs
μs
μs
μs
μs
μs
μs
μs
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